JagOS 'Spot' turns the Atari Jaguar into a desktop computer Developer Clint Thompson is building a graphical operating system for the Jaguar, based on Atari's canceled 1992 Painter prototype.
ReactOS 0.4.16 adds a new graphical installer and unified boot media The open-source Windows NT alternative merges its LiveCD and BootCD images, overhauls kernel memory management, and rewrites its audio and storage drivers.
Haiku OS just got permission to use the official Firefox name After years of distributing its browser port as Iceweasel, the Haiku operating system can finally use Mozilla's official branding.
ReactOS just added its first Windows Vista-era system call The open-source Windows clone has merged its first NT6 system call, signaling a long-term shift toward supporting software from Windows Vista and beyond.
The June 2026 CachyOS update patches GCC to speed up modern CPUs The Arch-based Linux distribution implements a new compiler patch to handle branch misprediction, alongside Python speed boosts and pacman network isolation.
DR DOS just returned from the dead as a clean-room beta Version 9.0 of the classic MS-DOS rival is built entirely from scratch to avoid decades of legal baggage, and it already runs Doom.