KolibriOS
Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.
4recommend
1warn against
Feb 5, 2026first mention
Oct 2, 2026latest mention
Why people recommend it
“it's a quite mature assembly repo”
“The 12 MB OS looks surprisingly mature.”
Show 1 more
“is an active fork of the open source 32-bit version”
Caveats and dissent
“I wouldn't call it "active" that much”
Often compared with
Threads where it came up
Data: kolibrios.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 6
“it's a quite mature assembly repo”
I thought there was an MSR buried deep somewhere that enables "Cache as RAM" mode and basically maps the cache into the memory address space or something like that. Lol a quick Google search leads me to a Linked in post with all the gory technical details? https://www.linkedin.com/pulse/understanding-x86-cpu-cache-mtrr-msr-cache-as-ram-david-zhu-yvenc/
“The 12 MB OS looks surprisingly mature.”
“last commit was a week ago”
“I wouldn't call it "active" that much”
“is an active fork of the open source 32-bit version”