Browse free open source C Software and projects below. Use the toggles on the left to filter open source C Software by OS, license, language, programming language, and project status.
A free, portable, fast and simple C/C++ IDE
An Apache SVN client, right where you need it most
An award-winning drawing program for children of all ages
A fast, portable, simple, and free C/C++ IDE
Windows installer development tool
Personal and small-business finance manager
A cross-platform statistical package for econometric analysis
Game backup loader for Wii and vWii
A universal instant messaging (IM) program
Run Windows applications on Linux, BSD, Solaris, and Mac OS X
Increase your system performance with this easy to use tool
Chess Database and Toolkit program
Boot macOS, Windows, and Linux on Mac or PC with UEFI or BIOS firmware
Audio converter and CD ripper for various formats
Linux System Optimizer and Monitoring
A planetarium software that shows a 3D simulation of the night sky
Enterprise-class, distributed monitoring solution for networks & apps
Linux firewall distribution geared towards home and SOHO users.