Browse free open source Operating System Kernels and projects for Desktop Operating Systems below. Use the toggles on the left to filter open source Operating System Kernels by OS, license, language, programming language, and project status.
An operating system based on the best Windows NT design principles
FreeDOS is an open source DOS-compatible operating system
QNAP GPL Source
IPv6 compatibility
Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..
Building and running ancient Linux on Windows
Software development for 4Mb portable, using Z80 CPU and AA batteries
The first OpenSolaris based distro (since June 2005)
Cluster wide IPC providing datagram, connection, and bus messaging
The CK 64-Bit Kernel Operating System