A simple open source/free software tax calculator written in .NET. It works on Windows and also on Mac and Linux with Wine and Mono. One of the first to be open source and free! :)
To assemble, using existing and new Open Source components, a full featured Accounting and Business Information Management System specifically for Small to Medium Enterprise.
Online Presentation Software. Show presentations online without the need of any specialist software, simply use your website. Create presentations instantly with our XML creator.
Accounting Software for SME´s
A tool for questionnaire data collection, analysis and viewing results
Perl implementation of Financical Information Exchange protocol parser and encoder
Software for creating digital financial instruments (information currency) representing information. Includes server (ICWS) and client for creating IC from subversion commits (icsvn).
Matho is a OS Independant Application and API for mathematical operations, features include curve sketching, calculus, iterative formulae, algebra solver, 2d/3d geometry and mechanical and statistical functionality.
ofos is a python api for quantitative software developers. It aims to provide an object oriented framework which lets the programmers deal with generally-speaking products, portfolios... It uses the QuantLib api for product pricing.
TAROT is a easy-to-use framework for Monte Carlo simulations in python. Calculations between different kinds of randomly distributed numbers are made as easy as basic arithmetics. Tarot provides an interactive graphical interface for interpretation.
zAurum is open-source automated payment interface for most popular ECP (electronic currency providers, a.k.a. digital money) such as e-gold, WebMoney Transfer, EvoCash and so on.