Browse free open source Software Development software and projects below. Use the toggles on the left to filter open source Software Development software by OS, license, language, programming language, and project status.
An Apache SVN client, right where you need it most
Windows installer development tool
A graphical text difference analyzer
A free IDE for C#, VB.NET, & Boo projects on Microsoft's .NET platform
Award-winning lightweight Open Source Content Management System (CMS)
The world's leading content management systems (CMS) written in PHP
Localization tools built by localizers for localizers
The Ultra-Modern User Interface is an new interface for NSIS 3 x86
Notepad++ project is moving to GitHub: