BestBooks Accounting Application Framework (BAAF)
Zipline, a Pythonic algorithmic trading library
How Programmers Can Earn Pocket Money Elegantly, Version 2.0
Educational payroll Web APP, and PDF book, for learning PHP/MySQL
A list of online resources for quantitative modeling, trading, etc.
Web based Cost Estimation, Material Takeoff and Reconciliation Tool
EVIDENCE é um sistema de gestão financeira gratuito.
C++ Trade Platform for quant developer
A full ERP system - moved to GitHub. See full description for details.
Educational payroll Web APP, and PDF book, for learning PHP/MySQL
JEE based Accounting web-application.
Financial Calculator
Feature rich insurance quote & buy system for underwriters and brokers
Mathematics, linear algebra and optimisation
ERP with TPV for PetStores
Sample/Actual payroll program/book in PHP and MySQL
Accounting for Linux
FIDO strong authentication, encryption, digital signature engine
Open-Source Project for Credit Risk Modeling
Sample payroll program/book in PHP and MySQL
Interactive Brokers TWS / IB Gateway Host Tool