Title

Description

Filename/URL

Accounting and Bookkeeping (Including Personal Finance)

ABInventoryControl

Records Stock Inventory data including Stock Record, Suppliers, Stock Transactions, Stock Analysis Reports. Access can be password protected, includes full Visual Basic source code.

ABInventory

Adminsoft Accounts

Adminsoft Accounts is a free accounting software application. Suitable for most small to medium sized businesses, and in most English speaking countries.

Maintain your customer and supplier details. Produce sales invoices and statements. Enter supplier invoices and raise remittance advices. Data can be exported to Microsoft Word and Excel.

Reports, invoices and statements can be emailed. The system is highly portable, it installs in its own folder and can be run directly from storage media such as USB memory sticks without installation. Versions also available specifically for the autotrade and caf/shop businesses. NOTE: versions 3.149 & later run as Freeware. This provides you with a fully functional, multi-user, free accounts system with no time out.

Adminsoft

Banana Cashbook - Management of Income and Expenses

Everything any small business owner, club, society, small association or family will ever need to record their daily income and expenses. Simple (Excel-like) data entry - requires no previous accounting experience. Automatic repetitive entries. Reports for VAT (Sales tax) at the touch of a button; Balance always updated; Expense totals, details by category and period; Budget; Currency conversion; Cost Centers; Password; Conversion to HTML.

Free version allows you to use both the Cash book application and the Addresses/labels management application in complete mode, at no cost; use the Simple accounting, the Double-entry accounting and the Multi-currency accounting applications up to 50 entries.

Banana Accounting

Best CashBook - Cash and Finance Management

Cash, Deposits and Cards are treated as one in the Cashbook. After you become familiar with the principle of entries you can tailor the book to your requirements.

A cashbook entry processes all other subsequent work automatically to prepare various reports. You can make entries by simple data-input and enter-key, and see how the book processes your entries.

The various reports generated are DailyInOut, Monthly Inout and Yearly InOut statements.

Best CashBook

BS1 Free Accounting

BS1 Free Accounting Software: General Ledger, Accounts Payable, Accounts Receivable, Inventory, Sales Analysis, and Bank Reconciliation.

Sample data is provided and there is an optional Getting Started wizard to assist with entering initial live data. The wizard sets up common GL accounts which can later be changed, deleted, or added to.

Customization and source code available.

BS1

Calamar General Ledger Accounting

Calamar is a free multiple client general ledger accounting program aimed at small businesses.

Available under the terms of the GNU General Public License, the program was entirely written in Java and as such can be run on most plattforms.

Features include: support for multiple clients, automatic VAT calculations, flexible reporting for PnL, and available in multiple languages (German, English, French).

Calamar

Ccweb Home Finance Accounting System

Ccweb is a free home finance accounting system. This Perl-based web application uses double-entry transactions to track account balances. It also includes auto-reoccuring transactions, budgeting, graphs, OFX import, statement reconciliation and many other features.

Ccweb

Chump Change Personal Finance Software

Chump Change is a novel approach to personal finances, using a web-based infrastructure and a strongly budget-oriented model. The software supports multiple users.

The software, which is free, is written in Ruby, and made available under version 2 of the GNU General Public License.

Chump Change

Deltanet Freeware Accounting

Deltanet Freeware Accounting is a re-release of the popular 1999 version that now incorporates the new Delta60 (World Version) features with conventional user interfaces.

The Integrated Accounting Package includes: A/R, A/P, Invoicing, Inventory, Payroll and General Ledger. It emphasizes strong reporting and adds flexibility for international users with 5 open fields for addresses and 5 open fields for invoice item tax percents. It also offers built-in email support.

Deltanet

Earnings Tracker Open Source Accounting Software Tool

Latest version of our free open source (written in PHP and MySQL) accounting / bookkeeping software tool, which is specifically aimed at contractors and freelancers.

Earnings Tracker enables invoice amounts, salaries, income tax (PAYE), national insurance contributions, rent, and expenses to be recorded, and calculates how much corporation tax and VAT your business owes, and the size of dividends that can be distributed to shareholders.

The software Works across multiple months and years.

Earnings Tracker

Easy Cash Manager Bookkeeping Program

Easy Cash Manager is a simple bookkeeping program that you can use to keep records of your income and expenses. It is a very simple program, containing just a few functions.

Easy Cash Manager is meant for simple bookkeeping.

Easy Cash Manager

Easy Credit Card Checker

Easy Credit Card Checker allows you to instantly check a credit card number for validity. It can verify Visa, MasterCard, Diners Club, Carte Blanche, EnRoute, American Express (AMEX), Discover, JCB and other credit card numbers.

Easy Credit Card Checker uses the LUHN10 algorithm (except EnRoute) as well as first digits verification.

Easy Credit Card Checker

eMani Personal Financial Management Software

eMani is a free personal financial management software that helps you to record and analyse your personal finance. Features include: multiple language support, accounts (saving, credit card), budget, and reporting.

eMani

GFP Personal Finance Manager

GFP (Personal Finance Manager) provides help with personal finance administration, offering a variety of reports and charts. Where possible, data is filtered on screen to obtain important information for your financial health.

GFP

GnuAccounting Financial Accounting Application

A Java financial accounting application that enables you to produce invoices (and more) and perform double-entry bookkeeping.

The application is written in SWT and embeds OpenOffice.org and HSQLDB or MySQL.

It deploys HBCI Online Banking integration and Winston-Export and KTimeTracker and Taskcoach imports.

GnuAccounting

GnuCash Open Source Accounting Software

GnuCash is a free and open source accounting software program that implements a double-entry bookkeeping system.

GnuCash is personal and small-business financial-accounting software, freely licensed under the GNU General Public License and available for GNU/Linux, BSD, Solaris, Mac OS X and Microsoft Windows.

Designed to be easy to use, yet powerful and flexible, GnuCash allows you to track bank accounts, stocks, income and expenses. As quick and intuitive to use as a checkbook register, it is based on professional accounting principles to ensure balanced books and accurate reports.

GnuCash

GnuLedger Web-based Accounting System

GnuLedger is a free Web-based accounting system having all the functionality that an average home user needs to manage their finances. Its backend is a MySQL database, and it currently uses a web browser front-end.

It is currently (January 2010) available for Linux/UNIX, Windows NT, 2000, and XP systems.

GnuLedger

Grisbi Open Source Accounting Software

Grisbi (French slang for "stash") is a free personnal accounting application running under GNU/Linux and Windows, and is released under the GNU General Public License.

Grisbi can manage multiple accounts, currencies and users. It manages third party, expenditure and receipt categories, as well as budgetary lines, financial years, and other information, making it suitable for associations.

Note that it does not handle double entry bookkeeping.

Grisbi

Handy Quote Quotation Software

Handy Quote is a sales-quotation, point-of-sale (POS), inventory control, sales ordering, purchase ordering and sales management program for wholesale, retail and any businesses.

Handy Quote is a fully integrated software package that provides a complete solution to your fast moving business requirements. It contains help files, user manual and a tutorial to help the end user to learn the product more quickly, and there is an extensive list of features provided in the latest release, which is FREEWARE.

Handy Quote

HomeBank Personal Accounting Open Source Software

HomeBank is free open source software that you can use to manage your personal accounts. Designed to be easy to use, HomeBank lets you analyse your finances in detail using powerful filtering tools and graphs.

Development on the software started in 1995 on Amiga computers, and HomeBank now benefits from many years of user experience and feedback. It is available in 57 languages on GNU/Linux, FreeBSD, Microsoft Windows, MacOSX, Nokia N*** and Amiga.

If you're looking for free open source software to manage your personal accounts, HomeBank may well be the answer for you.

Homebank

iFreeBudget Free Personal Finance and Budgeting Application

iFreeBudget is free personal finance and budgeting application. It is designed for home and small business users with simple interface and fast user interaction. It is safe and secure with password based encryption for storing all financial data.

iFreeBudget

jGnash Open Source Accounting Software

jGnash is a free cross platform personal finance application written in Java. jGnash is a double entry system with support for multiple currencies. jGnash can import Gnucash and QIF files.

jGnash will run on any operating system that has a working Java 1.4.0 or later runtime environment.

jGnash

JMoney Personal Finance Manager

JMoney is a free personal finance manager. It supports multiple accounts in different currencies, double entry banking, income/expense categories, various reports and Quicken file (QIF) exchange. It is built using the Eclipse RCP and can be extended using plug-ins.

JMoney is available under the terms of the GNU General Public License.

jMoney

KMyMoney Open Source Accounting Software

KMyMoney is the personal finance manager for KDE. It operates in a similar way to Microsoft Money. It supports different account types, categorisation of expenses and incomes, reconciliation of bank accounts and import/export to the "QIF" file format.

Using time tested double entry accounting principles KMyMoney can help ensure that your finances are kept in correct order. KMyMoney strives to be the easiest open source personal finance manager to use, especially for the non-technical user. KMyMoney intends to provide all important features found in the commercially-available, personal finance managers.

Released under the GNU General Public License, KMyMoney is free software.

KMyMoney

LedgerSMB - Free Open Source Double Entry Accounting System

LedgerSMB is a free open source double entry accounting system. Accounting data is stored in an SQL Database Server, and a standard web browser is used as the user interface. The system uses the Perl language and a Perl database interface module for processing, and PostgreSQL for data storage.

LedgerSMB is distributed under the terms of the GNU General Public License.

LedgerSMB

Monex Open Source Finance Software

Monex is free open source software. It enables you to organize your accounts into a tree structure, branch expense and income accounts or join accounts by currency or type. You can create, remove or change your account tree structure depending on your needs.

You can view current, cleared and total balances of a single account or a whole branch of accounts.

You can select a list of transactions to calculate expenses/incomes and sums.

You can filter transactions with various filter fields, and calculate filtered transactions expenses/incomes and sums.

You can calculate account balances or transaction sums in different currencies or just exchange currencies.

Monex

Money Manager Ex Money Management Application

Money Manager Ex is a free, easy to use, money management application. It is a personal finance manager that can be used to track your net worth, income versus expenses, and so on.

The application runs on Windows, Linux and Mac OSX.

Money Manager Ex

My Money Personal Financial Software

My Money is a free, high quality, personal financial software that works with online bank statements. Simply download your transactions from bank web site and they are automatically entered into electronic register.

By bringing all of your important financial information together in one place, My Money helps you more efficiently organize your financial data, simplify taxes and grow your net worth.

Includes double-entry and single-entry accounting support, and powerful reporting and analysis. 60 day free trial.

My Money

NetWorth Open Source Personal Finance Package

NetWorth is a free, open source personal finance package, available under the terms of the GNU General Public License.

NetWorth is written in Java and is modelled (more or less) on the appearance and style of Microsoft Money. Primary goals include not only providing for a checkbook register, but also to allow you to schedule bills and forecast account balances.

NetWorth

NolaPro - free, web-based Business Management & Accounting Suite

NolaPro is a free, web-based Business Management & Accounting Suite. It includes all standard accounting modules as well as order entry, inventory tracking, full payroll services, and plug-ins such as point-of-sale, a business-to-business web portal, and an ecommerce shopping cart.

You'll find its interface very flexible with user-customizable options for colours, icon sets, and menu displays. The software also allows multiple sets of books for different companies, unlimited simultaneous users, and no data restrictions. Administrators will be pleased with its high level of security for regulating user permissions (read, write, setup) by particular module area.

NolaPro

Paymastr Payroll Standalone Payroll Program

Paymastr Payroll is a free, standalone, payroll program (USA ONLY) that features built-in email support. Within Paymastr you can manually update state and federal tax charts, non taxable deductions such as 401k are input as a percent of the gross. Enter the hours worked as well as overtime, insurance, additional income, and other pay categories.

The "additional income" field can be used if an employee is not hourly and/or is paid tips. It then calculates the withholding tax for federal, state, and Social Security plus Medicare based on exemptions claimed and marital status.

Latest tax tables are installed. Payroll summaries include: Current Payroll, Month, Quarter, and Year-to-date. Version 2 has a new graphical user interface. Paymastr is included in the full version of Delta60 Accounting Software and is integrated with its General Ledger module.

Paymastr

PBooks - free open source bookkeeping and accounting Software

PBooks is free open source bookkeeping and accounting software, written in PHP.

PBooks is a simple and basic accounting package that includes the required features for small business accounting, including a general journal, a charter of accounts, a general ledger, and various reports (balance sheet, the cash flow statement, and the income statement).

PBooks was designed to be used for accrual based accounting.

PBooks

Penny Pincher Personal Finance Manager

Penny Pincher is a free, cross-platform, budget-oriented personal finance manager, supporting ad-hoc, weekly, monthly, and other budget types. Various levels of experience are supported, with wizards for new users and advanced interfaces for more experienced users.

Penny Pincher

Python Checkbook Manager

The Python Checkbook Manager (aka PyCheckbook) is a free personal finance manager that focuses on simplicity and portability.

It will run on any platform that can run Python and wxPython. It handles very simple checkbook register features.

Python Checkbook

Quasar Accounting

Quasar is a full function, stand-alone business accounting package. With the proper licensing you can configure Quasar to have remote access via both LAN and/or WAN.

Currently the Quasar server runs on just Linux but a Windows version of the server will be released shortly. There is both a Linux version and a Windows version of the Quasar Accounting client.

Available as a free version, or more feature-rich versions are available for sale.

Quasar

QuickBooks Simple Start

QuickBooks Simple Start is an easy-to-use, free, accounting software application to manage your small business better. Getting started is easy, you can be up and running in minutes, be ready at tax time, stay organized, look more professional.

Simple Start is for first-time QuickBooks users. It cannot import data from prior versions of QuickBooks, Quicken, or Peachtree, but lets you easily import your existing data from Excel. Check out the different versions features comparison on the home page to see if the free version meets your needs.

Note: The FREE version of QuickBooks Simple Start 2009 lets you track up to 20 customers. By downloading the software, you agree to receive emails with information on how to use Simple Start plus special offers on related products and services. Each email will give you the opportunity to unsubscribe.

Quickbooks

RQ Money - Free Household Finance Manager

RQ Money is a free financial program that runs on the Microsoft Windows operating system (version 9x to Seven). The program is very easy to install - just requiring a zip file to be unzipped. Once installed, the program taks up less than 2MB.

The program is very fast, easy to use, and stable. It is also portable, and can be transported on a USB key. Multilingual support is also built into the program.

RQ Money

SQL-Ledger ERP Double Entry Accounting/ERP System.

Accounting data is stored in an SQL database. Any standard web browser can be used to display the data. The entire system is linked through a chart of accounts. Each item in the inventory is linked to income, expense, inventory and tax accounts. When items are sold and purchased the accounts are automatically updated.

Invoices, Packing Lists, Income Statement, Balance Sheet, Sales, Work and Purchase Orders, Statements, Receipts and Checks are generated from templates and can be changed to suit inidividual needs. Templates are available in html, tex and text format. The tex templates are processed with latex to produce postscript and PDF documents. Documents can be sent to a printer, file or fax, emailed or displayed on screen.

SQL-Ledger is platform independant and runs on NIX, Mac or Windows computers. The software download is free, but support is not.

SQL-Ledger

Stock Control & PCTill

Stock Control Manager and PCTill is a free software suite for setting up a PC based EPoS system.

The software is designed to allow smaller retailers to move away from the older, PoS systems towards a powerful and integrated complete stock control and EPoS system without the financial outlay usually required for these systems. This system can be used on a single PC with a standard Windows printer, and expanded up to multiple PCs with dedicated receipt printers as and when required.

The software has designed and written from the ground up to be multiuser and scalable, and can support multiple tills and management stations. PCTill supports many barcode scanners, printers, and cash drawers.

Retail EPoS

SVERDYSH Accounting Software for Small Businesses

SVERDYSH is a free accounting program for UK small businesses. The program is intended for sole traders, partners, and so on.

Some of the features of SVERDYSH include: support for numerous bank accounts; Cash book; Petty cash book; Bank reconciliation; VAT; Invoicing; Debtors control; Creditors register; Stock register; General Journal; Tax bill calculator; Income tax calculator; Net profit for taxation calculator; Accruals calculator; Prepayments calculator; Cash Flow Forecast.

SVERDYSH

Timesheets Lite Free Timesheet Software

Timesheets Lite is a software application written for companies that cost their employees time on an hourly basis. This could include accountancy firms, consultants, or contractors.

It enables companies to create projects in the software, create employees in the software, and then allow those employees to book their time against the projects. Members of the financial team at the company can then generate a report showing the time spent by employees on projects for a given time frame, and mark this range of times as invoiced.

Another reporting option allows your financial team members to generate a list of detailed activities and time spent by one or many of your employees. Source code available.

Timesheets Lite

TurboCASH Open Source Accounting Software

TurboCASH is an open source accounting package. It is one of the world's first fully-featured open source accounts packages for small business, and currently (November 2009) has over 80,000 users.

TurboCASH is much more than a simple 'home finances' or small business bookkeeping system. It includes most functions a business will ever need: debtors, creditors, general ledger, full stock control, VAT accounting, invoicing, bank reconciliation, trial balance, balance sheet and income statements, full reporting and analysis, as well as mutli-company and multi-user capabilities.

TurboCASH accounting software can be configured for any country and any small business.

TurboCASH

Turquaz Financial Accounting Double Entry Finance Solution

Turquaz Financial Accounting is a complete double entry finance solution targeting small and medium size enterprises with Inventory Management, accounts receivable, accounts payable, general ledger, journal, multi currency, advanced report and analysis .

Turquaz Financial Accounting

Wampun Personal Financial Manager

Wampun is a personal financial manager. The emphasis is on integration with existing applications (GNUCash) and office suites like OpenOffice. The application uses a standard HSQLDB database for easy JDBC integration.

Wampun

Where My Money Go Web Application

PHP/MySQL web-application that can help you determine where all your money goes and help you adjust your spending habits. It supports multiple users and multiple languages.

Where My Money Go

Calculators

calcAnt Calculator / SFR Calculator

SFR Calculator is a revolutionary new kind of software calculator for your Windows PC. With SFR Calculator you can do extensive calculations - like on an adding machine. You can comment your calculations and save them. Open your calculations again afterwards and change some of the numbers. SFR Calculator will always calculate the results again. You can see your whole calculation on the virtual paper tape.

calcAnt Calculator

Calctor Advanced Calculator

Calctor is an advanced calculator with a simple interface. You have an input-region where you enter your calculations, and an output-region where the results of your calculations automatically appear while you're typing. Requires the .NET Framework 2.0. A mobile version of Calctor that runs on Windows Mobile 5 is also available.

Calctor Calculator

CCCalc Calculator

CCCalc is a free calculator for Windows, and is ideal for everyday quick calculations.

The calculator performs four basic arithmetic operations, percentages are allowed. Applies no limitations on precision. Remembers everything you've entered until you delete it yourself. Allows you to browse through calculation history as if it were a text and reuse the numbers or correct any misprint anywhere.

CCCalc Calculator

College Cost Calculator

Tool to calculate the cost of college. Save and load data from files into the calculator for further use. Export files to microsoft word for printing. Many more advanced options than online college cost calculators.

College Cost Calculator

CompoundCalc - Compound Interest Calculator

A very simple and compact compounding calculator. Enter Principle ($), Rate (%), Term, and Compounding (%). You may also choose to account for regular (per period) deposits.

CompoundCalc

Compound Interest Calculator

Free open source compound interest calculator written in PHP. Calculate how much money you will have after depositing a certain amount of money each month, for a certain number of months.

In addition, a tutorial showing how to produce this compound interest calculator in Perl is also available.

Compound Interest Calculator

Dividend, Corporation Tax, and VAT Calculator

Free open source dividend, corporation tax, and VAT calculator written in PHP. Lets you enter various values such as invoice amounts, salaries, income tax (PAYE), national insurance contributions, and expenses, and calculates how much corporation tax and VAT your business owes, and the size of dividends that can be distributed to shareholders.

Dividend, Corporation Tax, and VAT Calculator

Finanx - Financial Calculator

Finanx - FX12C is a project that emulates a financial calculator: The HP-12C. It is the first part of a larger project that involves personal finance. One of the main goals is to provide an environment able to give users control over their own finance.

Finanx

GD Stock Portfolio Calculator

The GD Stock Portfolio Calculator is a Google Desktop gadget used to track how much your financial investments are worth.

GD Stock Portfolio Calculator

GeltCalc Financial Calculator

GeltCalc is a simple Financial Calculator with functions for Time Value of Money calculations. It is a Cocoa app written in Objective C for the Mac OS X.

GeltCalc

Giorgio's Calculator

Giorgio's Calculator has been developed in Java. It can be used online or downloaded to your PC. It simulates the classical electronic hand tool with memory, decimal point settings with rounding etc. Also a "virtual paper roll" to record all data and operations you make, an important feature to work surely and avoid mistakes especially in long calculations.

The application works in browser independent mode and shows its specific icon on the Application bar. It accepts '+ - * /' numeric pad keys, if available, like the '+ - x :' Calculator buttons; accepts the keyboard Enter key like the '=' Calculator button; accepts the keyboard Canc/Del key like the 'C' Calculator button.

Online 'Electronic' Calculator

GlassCalc Calculator

GlassCalc is a calculator for Windows that, unlike many other calculator programs, doesn't use buttons. Instead, it has a single textbox where you can type an equation or mathematical expression, press Enter, and get a result.

This is often much faster than the hunt-and-peck method of clicking buttons. The lack of buttons also leaves plenty of room for a full history of past equations (calculator tape), a reference listing of all available functions, and a list of user-defined variables and functions.

GlassCalc

Gross Profit Margin Calculator

This free open source gross profit margin calculator lets you input a company's revenue (turnover) and gross profit, and then calculates the gross profit margin (as a percentage).

The software tool is released under the GNU General Public License.

Profit Margin Calculator

HEXelon MAX Calculator

HEXelon MAX calculator is a Freeware mathematical calculator, currency converter, and units converter.

The calculator solves mathematical expressions like Sin(Pi)-Root(-8;3). Also, users can create their own functions (surfaces, volumes, etc.). The program shows the position of bugs in a mathematical expression made by the user; descriptions of the bugs help solve problems.

An automatic Prompter shows all available functions, variables, and constants. Simply press the SPACE bar. The exchange rates table and currency converter are updated from the Internet with one click. There are 14 categories of units including length, temperature, pressure, etc.

HEXelon

iCalculator

iCalculator is a two-line expression calculator. You can type in calculations the way they are written and a function replay allows you to edit them for corrections. It works in both Scientific and Standard Modes.

iCalculator

Interest(ing) Calculator - Financial Calculator

Interest(ing) Calculator is useful in calculating Financial Parameters of loans/deposits. Loan/Deposits have four variables: Principal, Interest Rate, Term, Installment. IC helps to calculate any one variable, if you know the other three variables.

Interest(ing) Calculator

Kelly Calculator

Kelly is a desktop calculator - How simple can a calculator be? I tried to build the simplest one without any garbage, it stays on top and works well with Excel. Don't get distracted by its size, I did all my tax on it.

Kelly Calculator

Loan Payment Matrix Calculator

A Perl CGI script that calculates a matrix of loan payments in a table for the purpose of determining which interest rate and term will best fit a buyer's needs. Working on linking the payment values to an ammort schedule.

Loan Payment Calculator

Loan Repayment Calculator

The loan repayment calculator is written in open source PHP, and is available as a free software download under the terms of the GNU General Public License, or it can be simply used as an online calculator (running on this web site).

The loan repayment calculator lets you enter three variables, and it calculates the fourth. For example, you could enter the term of the loan, the interest rate charged, and the amount of the loan. The calculator would then calculate the monthly repayments (along with total amount repayable).

Alternatively, you could enter the term of the loan, the amount of the loan, and the monthly repayments. The calculator would then calculate the interest rate charged on the loan (along with total amount repayable).

Loan Repayment Calculator

MarketCalc Investment Calculator

Calculate investment purchases using this calculator.

MarketCalc is an investement calculator that runs on mobile devices such as phones and PDAs. The application is based on JME technology.

MarketCalc

MiniRPN Calc Calculator

MiniRPN Calc is a small, easy to use, RPN calculator. All basic operations are handled and stack can store as many items as you want. RPN (Reverse Polish Notation) calculation is a smart way to compute numbers, results are stored into a stack for later use.

If you are an expert in RPN you will love the quick access to functions, if you are new to RPN, you won't be overwhelmed by too many buttons.

MiniRPN Calc

Mort Mortgage Calculator

Calculate your mortgage, with amortization, using mort.

Getting your first mortgage? No, this isn't spam, its mort! A simple but powerful loan/mortgage calculator that also amortizes.

Mort

Mouseless RPN-Calculator

Mouseless RPN-Calculator is a light weight online calculator based on Javascript.

All calculations can be done by use of the keyboard, so no time consuming mouse clicks. RPN stands for Reverse Polish Notation and it saves you time as it avoids the use of parenthesis and brackets. Main features include: All the advantages of RPN using keyboard for all data entry (as you would expect from a calculator).

Most frequently used instructions only need 1 key; other instructions 2 keys. 2 x 20 visible memories to store intermediate results and to perform special calculations. History sheet ('paper tape'); Stack and memories are saved on your computer for future use; Copy results to clipboard for use in other programs. Mathematical calculations; Statistical and probability calculations; Financial calculations like CAGR, Annuity and CashFlow. Physical constants and conversions.

RPN Calculator

MultiCalc Calculator

Multicalc was written specifically for calculating time, but it can also be used as a normal calculator and for converting decimal numbers to binary, binary to decimal, decimal to hexadecimal, and hexadecimal to decimal.

Features include: Normal calculations; Binary to Decimal Converter; Decimal to Binary Converter; Hexadecimal to Decimal Converter; Decimal to Hexadecimal Converter.

MultiCalc

ObjectLab Kit Calculator

Use this business and financial day calculator to stay on top of holidays, weekends, and more.

ObjectLab Kit

OpenTaxSolver (OTS) Free Calculator for Tax Form Entries

OpenTaxSolver (OTS) is a free program for calculating Tax Form entries and tax-owed or refund-due, such as Federal or State personal income taxes.

The complete version of OTS for the 2009 tax year has been released. It contains the updated US 1040 with Schedules A, B, C, and D. It also contains the State Tax form updates for California, New York, Pennsylvania, New Jersey, North Carolina, Massachusetts, Ohio, and Virgina. New this year (2009), precompiled downloads for Apple Macintosh (Mac) OSx are available.

OpenTaxSolver

Soroban Multiple Precision Arithmetic Program

Soroban is a multiple precision arithmetic program that calculates using the same technique as an abacus.

Offers high-speed operation of the abacus, with multiple precision arithmetic of up to 50 figures. You can customize the number of digits on the abacus, the type of ball used, and the animation speed.

Soroban

SpeedCrunch Open Source Desktop Calculator

SpeedCrunch is an open source, fast, high precision and powerful desktop calculator.

It has a scrollable display, allows up to 50 decimal precisions and has unlimited variable storage. Other features include: intelligent automatic completion; keyboard-friendly; more than 15 built-in math functions; optional keypad. Performs on-the-fly calculations and has a customizable appearance including syntax highlight.

SpeedCrunch

Stock Returns Calculator

Performs basic to advanced mathematical computations needed to determine stock and other securities numerical parameters.

Helps find entry and exit points for securities. Provides PocketPC and MacOS Dashboard access to a stock market inspired calculator.

Stock Returns

TriCal Calculator

TriCal is a formula, expression and conversion calculator - built-in formulas for electricity, fuel, trigonometry, etc. oodles of conversions - easily expanded.

TriCal

Willy's Freeware Calculator

This calculator is a computer implementation of an electronic hand calculator. It offers the following additional features: A history pane offering the versatility of a control tape ("tally roll"). The value stored in memory is permanently visible in a separate memory display and immediately reflects any changes made to memory. Independently from memory, you can set a number to use as a constant. You can then perform instant multiplications or divisions by this constant. This is particularly useful to quickly convert currencies.

Willy's Freeware Calculator

xcalc Calculator

XCALC is a little RPN calculator, you can choose if XCALC should live on the taskbar or in the "tray".

xcalc

xfcalc Financial Calculator

This calculator makes it easy to perform financial calculations in two currencies at once.

This dual display calculator enables calculations to be performed in two currencies (for example, Euros and a local currency).

xfcalc

Enterprise Resource Planning (ERP) and Customer Relationship Management (CRM)

ADempiere ERP software

ADempiere is an Enterprise Resource Planning or ERP software released under an open source software license. The word Adempiere (pronounced ah-DEHM-pyeh-reh) in Italian means "to fulfill" or "to accomplish".

The software is licensed under the GNU General Public License.

ADempiere

Compiere Open Source ERP and CRM Business Solution

Compiere is an open source Enterprise Resource Planning (ERP) and Customer Relationship Management (CRM) business solution for small and medium sized businesses (SMEs) in distribution, retail, service and manufacturing.

Compiere is distributed by Compiere, Inc. and through the Compiere Partner Network; a collection of trained and authorized business partners.

The application and source code are provided on the basis of the GNU General Public License version 2; this comprises the Community Edition. Also available for a fee is a Professional Edition with more features, a commercial license, documentation and support contracts.

Compiere

Dolibarr ERP/CRM

SMEs, freelancers or foundations activity management application for the web.

Includes financial management, invoices generation and customer management. European-based and rapidly growing in features.

Dolibarr

ERP5 Open Source Enterprise Resource Planning System

ERP5 is a free Enterprise Resource Planning system based on the Zope application server. It is mainly developed in the Python programming language and the source code is freely available under the GNU General Public License.

There are currently two version of ERP5: ERP5 Enterprise, and ERP5 Express.

ERP5 is developed by the French company Nexedi which also offers consulting, customizations and training for ERP5.

ERP5

Openbravo Open Source ERP Business Solution

Openbravo is a web-based, open source, Enterprise Resource Planning (ERP) business solution for small and medium sized companies. It is released under the Openbravo Public License, based on the Mozilla Public License.

The model for the program was originally based on the Compiere ERP program that is also open source, and released under version 2 of the GNU General Public License.

The company is a member of the Open Solutions Alliance, a non-profit organization working for open source standardization.

Openbravo

Open ERP - Open Source ERP/CRM System

Open ERP is an Enterprise Resource Planning (ERP) / Customer Relationship Management (CRM) system. The software has separate client and server components, and XML-RPC interfaces are available. Open ERP is open source and is released under the GNU General Public License (support packages can be purchased).

Among the features are management accounting, financial accounting, inventory management, sales and purchase management, tasks automation, Human Resource Management, marketing campaigns, help desk, and point of sale.

The Linux user interface is GTK+ based. Windows and Mac OS X versions are also available. A web interface 'eTiny' is also available using the Turbogears web framework. Since 2008, a KDE user interface is also available. The latest version of Open ERP (5.0) provides dynamic Gantt charts (with drag&drop), shared calendars, an integrated BPM view, a workflow editor and a screen designer.

Open ERP is known to be very complete and extremely modular, with more than 350 available modules. It is based on a strong Model, View, Control (MVC) architecture, with a distributed server, flexible workflows, an object database, a dynamic GUI, an XML-RPC interface, and customizable reports.

Open ERP

Tryton General Purpose Computer Application Platform

Tryton is an open source three-tier high-level general purpose computer application platform, on top of which is built a business solution (or Enterprise Resource Planning - ERP) through a set of modules.

The Tryton platform is organised around a three-tier architecture: The Tryton client, the Tryton server and the DBMS (mainly PostgreSQL). The platform along with the official modules is licenced under GNU General Public License-3.

The name Tryton refers to Triton, the largest moon of planet Neptune, and Python, the implementation language.

Tryton

Invoicing and Billing

jBilling Open Source Billing Software

When it comes to features, scalability, robustness and flexibility, jBilling places itself first in its class. It is the only open source billing system listed in the catalog of the largest consulting companies.

You can download and use jBilling for free, which takes only a few minutes and will allow you to take a direct look at its building parts.

jBilling

LA/OpenBP Billing Platform

The LA/OpenBP billing platform provides high performance/volume, industry independent billing functionality.

It is designed for easy integration into complex environments such as those found in the telecommunication, utility and finance industries.

LA/OpenBP

PyRM Bill Manager

A Simple, open source bill manager for freelancers and other professionals.

An intranet web application that uses the django framework to manage bills. The application is mainly aimed at the German market.

PyRM

Simple Web Based Invoicing System

A simple web based invoicing system designed to get the job done, free/open source software, community developed, no marketing, no buzz words, and no whizzbang features you're never going to use.

Simple Invoices

SPC Invoice

SPC Invoice was made for printing out professional looking invoices for online auction sellers but it is also good for any other invoicing needs and it's freeware. You can save the invoice and also add a message to the invoice body.

SPC Invoice

Miscellaneous Business Applications and Utilities

eZ Authorize eZ Publish Payment Gateway Extension

eZ Authorize is a complete eZ publish payment gateway extension which provides transparent, secure credit card payment processing using the eZ publish and the Authorize.Net credit card processing service.

eZ Authorize

Mifos - Micro Finance Open Source Software

Mifos is the name for an initiative of the Grameen Foundation, and the financial software that it produces specifically for the microfinance industry.

The software provides key functionality for microfinance institutions: client management, portfolio management, loan repayment tracking, fee and savings transactions, and reporting.

The name "Mifos" originally came from an acronym "Micro Finance Open Source", but is now used as the name, rather than an acronym.

Mifos

Notice Board Open Source Software

Free open source (written in PHP and MySQL) notice board, suitable for advertising a room for rent, a car for sale, and so on.

Click here to open a demo version of the notice board.

You can either sign in as guest@dixon.co.uk (for the email address) and guest (for the password), or you can register yourself as a new user

Notice Board

Octopus Micro Finance Suite

Octopus Micro Finance Suite is an open source information system for Micro Finance Institutions.

The software is free and can be downloaded and used without incurring any fees. Support and assistance can be purchased separately.

Octopus

OSCurrency Online System

Manage alternative currencies such as time with this online system.

OSCurrency

Pentaho Business Intelligence

Pentaho is the open source business intelligence leader. Thousands of organizations globally depend on Pentaho to make faster and better business decisions that positively impact their bottom lines.

Pentaho

phpBMS Business Management System (BMS)

phpBMS is a PHP, MySQL, web-based business management system (BMS). phpBMS provides easy to use sales order entry system, PDF billing document creation, recurring invoices, and accounts receivable functionality.

phpBMS also has integrated task, file attachment, and note features that allows you to create tasks and notes, upload documents, and then associate (link) these items to other records inside phpBMS (such as uploading critical files associate with clients, products, or invoices.)

phpBMS

QuantLib Quantitative Finance C++ Library

A quantitative finance C++ library for modeling, pricing, trading, and risk management in real-life. A cross-platform free/open source tool for derivatives and financial engineering.

QuantLib

QuickFIX Open Source FIX Messaging Engine

QuickFIX is an open source FIX messaging engine written in C++.

QuickFIX is cross-platform and runs on Windows, Mac OS X, Linux, Solaris, and FreeBSD. A variant QuickFIX/J is an equivalent 100% Java open source implementation of the engine.

About FIX - The Financial Information eXchange (FIX) Protocol is a "language" that defines specific kinds of electronic messages for communicating securities transactions between two parties. FIX defines only the format of the messages and the session-level interaction between two applications.

Commercial support for the QuickFIX engine is available from third parties.

QuickFIX

Spreadsheets

Bank Account Tracker

A free Excel spreadsheet template, which enables you to keep track of transactions that take place on your business bank account.

Bank Account Tracker

CleanSheets Spreadsheet Application

CleanSheets features a formula language that closely resembles that of Microsoft Excel, and extensions for aiding end-user programmers in developing correct spreadsheets. The application relies on ANTLR for generating the formula compiler and the JFC/Swing JTable component for spreadsheet visualization.

CleanSheets

Stocks, Shares, Trading, Portfolio Management

Advanced Stock Tracker Web Application

Advanced Stock Tracking System (AST) is a web-based application for keeping track of stocks. It features a portfolio with dividend tracking, worksheet to keep track of prospects, a stock comparison utility, a search engine for the stock market and an alert engine to email you about key events in your securities.

Advanced Stock Tracker

Auge Financial Portfolio Management Application

Auge is an easy-to-use financial portfolio management application. Auge will help you monitor and analyze your stock and mutual fund positions, providing powerful insight into your entire investment portfolio.

Auge

Finance::Quote - Online Stock Quotes

Finance::Quote is a Perl module that fetches delayed on-line stock quotes. Finance::Quote can fetch quotes from a variety of sources, including the NYSE, the ASX, and a number of European exchanges.

Finance::Quote

iTrade Trading & Charting System

Trading & Charting system written in Python. It includes Quotes Management, Historic Data, Live Data, Import/Export, Charting, candlestick and Technical analysis, automated alerts, portfolio management, risk management, and much more.

iTrade

jFin Free Software

jFin is a Free Software derivatives trade processing application written in Java.

jFin is issued under the GNU General Public License.

jFin

JQuantLib Open Source Software Library

JQuantLib is a free, open source, comprehensive framework for quantitative finance, written in Java. It provides "quants" and Java application developers with several mathematical and statistical tools needed for the valuation of shares, options, futures, swaps, and other financial instruments, also providing tools related to risk management and money management.

It is a 100% Java framework based on QuantLib, which is written in C++.

JQuantLib aims to be fast, correct, strongly typed, well-documented, and user-friendly.

JQuantLib

Marketcetera Open Source Trading Platform

Marketcetera is a financial software company that has developed the Marketcetera open source trading platform, which links financial exchanges to users through broker services - essentially itself acting as a meta-broker - allowing the development of automated trading systems.

The Marketcetera platform uses the ACTIV Financial data steam services for a real-time low-latency equity data feed. The open platform uses the open source library QuickFIX to implement the standardized FIX communication protocol.

Marketcetera provides users with all the tools needed for strategy automation, integrated market data, multi-destination FIX routing, and broker neutrality.

The software download is free. Training and support services need to be purchased from the company.

Marketcetera

StockManiac Asset Inventory System

StockManiac is a alternative asset inventory system for private investors.

It keeps track of all your transactions, charges, bank accounts, dividends received, documents, and so on.

StockManiac