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.
An Apache SVN client, right where you need it most
A free, portable, fast and simple C/C++ IDE
An award-winning drawing program for children of all ages
Free drawing software for Windows, Mac OS X, and Linux
Media Player Classic - BE
Windows installer development tool
Personal and small-business finance manager
A fast, portable, simple, and free C/C++ IDE
RTS game with the theme of Strategy by Design
A universal instant messaging (IM) program
Increase your system performance with this easy to use tool
Run Windows applications on Linux, BSD, Solaris, and Mac OS X
A very efficient tutor.
Dos2Unix / Unix2Dos - Text file format converters
Boot macOS, Windows, and Linux on Mac or PC with UEFI or BIOS firmware
Audio converter and CD ripper for various formats
Linux firewall distribution geared towards home and SOHO users.
A planetarium software that shows a 3D simulation of the night sky