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Tribblix is an open source operating system created by Peter Tribble. Based on illumos, it blends a retro style with modern components.

NEWS: March 13th 2026: Milestone 39 available. (updates). See the X86 Release Notes.

NEWS: April 11th 2026. SPARC upgrades from m33 to m34 now available, for now fresh installs should use the m32 ISO and upgrade twice. (SPARC Release Notes.)

NEWS: May 15th 2025. CDROM sized ISO for m32 SPARC now available. (download - SPARC Release Notes.)

Important: 32-bit hardware support now completely removed.

While the SPARC version still suffers from lack of testing and has spotty hardware support, the x86 version is pretty solid. You can download the image, install to a hard drive, and use it.