Browse free open source Operating Systems and projects for Server Operating Systems below. Use the toggles on the left to filter open source Operating Systems by OS, license, language, programming language, and project status.
Updated Ubuntu Mate OS 64bit (15.10 based)
PBBoard - Free and Open Source Forum Software
Downloads of the Raspbian Images
The Old New Client for Windows ® Updates
Helps you find, download & burn the best Operating System for any PC
Active Directory Domain Controller built on Rocky and Samba4.
a FreeDOS micro distribution for 8086 computers
First OS that merges the power of IoT devices with Bitcoin and OK
GNS3 Network simulator Live USB
Desktop Linux - custom built on Debian/Ubuntu/Mint upstream codebases
Scripted and Zipped updates to AFROS 8.12 Live CD
This will be an operating system
Crosos is a SubLinux Distribution
Hobby OS with high ambitions