{"slug": "kolibrios", "name": "KolibriOS", "category": "os", "category_name": "Operating systems and desktop", "description": "", "recommenders": 4, "commenters": 6, "warners": 1, "score": 2.979, "rising": 0.02, "first": "2026-02-05", "latest": "2026-10-02", "why": "is an active fork of the open source 32-bit version", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 4, "neutral": 1, "compare": 0, "warn": 1}, "spark": [0, 0, 0, 1, 2, 0, 0, 0, 0, 0, 0, 1], "listed": true, "loved": [], "caveat": "", "short_quote": "is an active fork of the open source 32-bit version", "kind": "", "icon": true, "domain": "kolibrios.org", "github_repo": null, "official_url": "https://kolibrios.org", "pricing": "", "aliases": ["KolibriOS"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 798952752, "item_id": 49934547, "url": "https://news.ycombinator.com/item?id=49934547", "by": "vladcodes", "date": "2026-10-02", "version": null, "stance": "recommend", "quote": "it's a quite mature assembly repo", "excerpt": "Btw if you're interested, you can browse https://kolibrios.org/en code (https://github.com/KolibriOS) for a more complex codebase. Not my project, but it's a quite mature assembly repo.", "context": "", "use_case": "", "switched_from": "", "story": "Show HN: Rhun, an open-source code editor written in assembly"}, {"id": 760926592, "item_id": 47557912, "url": "https://news.ycombinator.com/item?id=47557912", "by": "6510", "date": "2026-03-28", "version": null, "stance": "recommend", "quote": "The 12 MB OS looks surprisingly mature.", "excerpt": "Someone on youtube[0] suggested we use (something like) KolibriOS[1] in a vm as a kind of webbrowser. Then we can have snappy effective desktop apps for everything cross platform(!) The 12 MB OS looks surprisingly mature. We are so conditioned for bloat that with each click I'm surprised how fast it responds. I don't remember ever being surprised by the same thing twice in a row but here it stays surprising how every", "context": "", "use_case": "lightweight OS in a VM", "switched_from": "", "story": "Everything old is new again: memory optimization"}, {"id": 750484753, "item_id": 46905297, "url": "https://news.ycombinator.com/item?id=46905297", "by": "Elfener", "date": "2026-02-05", "version": null, "stance": "recommend", "quote": "is an active fork of the open source 32-bit version", "excerpt": "Note that the 64-bit version is not open source. KolibriOS (https://kolibrios.org/en) is an active fork of the open source 32-bit version.", "context": "", "use_case": "", "switched_from": "", "story": "MenuetOS \u2013 a GUI OS that boots from a single floppy disk"}]}], "caveats": [{"label": "", "summary": "", "quotes": [{"id": 750496592, "item_id": 46906037, "url": "https://news.ycombinator.com/item?id=46906037", "by": "Tiberium", "date": "2026-02-05", "version": null, "stance": "warn", "quote": "I wouldn't call it \"active\" that much", "excerpt": "To be honest, while KolibriOS is open-source, I wouldn't call it \"active\" that much. MenuetOS has progressed much further than KolibriOS over the years in both performance (it has SMP support!) and being 64-bit. You can check the commit activity: https://git.kolibrios.org/KolibriOS/kolibrios/commits/branch/main - last commit on the first page is already 10 months ago. And compare it to \"News\" on the MenuetOS page: - ", "context": "", "use_case": "", "switched_from": "", "story": "MenuetOS \u2013 a GUI OS that boots from a single floppy disk"}]}], "who": [], "tags": [], "use_cases": ["lightweight os in a vm"], "compared": [{"slug": "menuetos", "name": "MenuetOS", "co": 2, "switched_from": 0, "switched_to": 0}], "makers": [], "threads": [{"url": "https://news.ycombinator.com/item?id=46867526", "title": "MenuetOS \u2013 a GUI OS that boots from a single floppy disk", "mentions": 3}, {"url": "https://news.ycombinator.com/item?id=49926726", "title": "Show HN: Rhun, an open-source code editor written in assembly", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=47550878", "title": "AMD's Ryzen 9 9950X3D2 Dual Edition crams 208MB of cache into a single chip", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=47493246", "title": "Everything old is new again: memory optimization", "mentions": 1}], "sentiment_by_month": {"2025-11": {}, "2025-12": {}, "2026-01": {}, "2026-02": {"recommend": 1, "warn": 1, "neutral": 1}, "2026-03": {"recommend": 2}, "2026-04": {}, "2026-05": {}, "2026-06": {}, "2026-07": {}, "2026-08": {}, "2026-09": {}, "2026-10": {"recommend": 1}}, "versions": [], "version_unnamed": 0, "family_ref": null, "runs_on": null, "lines": [], "quotes": [{"id": 798952752, "item_id": 49934547, "url": "https://news.ycombinator.com/item?id=49934547", "by": "vladcodes", "date": "2026-10-02", "version": null, "stance": "recommend", "quote": "it's a quite mature assembly repo", "excerpt": "Btw if you're interested, you can browse https://kolibrios.org/en code (https://github.com/KolibriOS) for a more complex codebase. Not my project, but it's a quite mature assembly repo.", "context": "", "use_case": "", "switched_from": "", "story": "Show HN: Rhun, an open-source code editor written in assembly"}, {"id": 760939600, "item_id": 47558725, "url": "https://news.ycombinator.com/item?id=47558725", "by": "RiverCrochet", "date": "2026-03-28", "version": null, "stance": "recommend", "quote": "", "excerpt": "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/", "context": "", "use_case": "", "switched_from": "", "story": "AMD's Ryzen 9 9950X3D2 Dual Edition crams 208MB of cache into a single chip"}, {"id": 760926592, "item_id": 47557912, "url": "https://news.ycombinator.com/item?id=47557912", "by": "6510", "date": "2026-03-28", "version": null, "stance": "recommend", "quote": "The 12 MB OS looks surprisingly mature.", "excerpt": "Someone on youtube[0] suggested we use (something like) KolibriOS[1] in a vm as a kind of webbrowser. Then we can have snappy effective desktop apps for everything cross platform(!) The 12 MB OS looks surprisingly mature. We are so conditioned for bloat that with each click I'm surprised how fast it responds. I don't remember ever being surprised by the same thing twice in a row but here it stays surprising how every", "context": "", "use_case": "lightweight OS in a VM", "switched_from": "", "story": "Everything old is new again: memory optimization"}, {"id": 750509456, "item_id": 46906841, "url": "https://news.ycombinator.com/item?id=46906841", "by": "b00ty4breakfast", "date": "2026-02-05", "version": null, "stance": "neutral", "quote": "last commit was a week ago", "excerpt": "last commit was a week ago https://git.kolibrios.org/KolibriOS/kolibrios/commit/dd9a7b92d8e2a56a2fb12ebffb2143c72fc9190d", "context": "", "use_case": "", "switched_from": "", "story": "MenuetOS \u2013 a GUI OS that boots from a single floppy disk"}, {"id": 750496592, "item_id": 46906037, "url": "https://news.ycombinator.com/item?id=46906037", "by": "Tiberium", "date": "2026-02-05", "version": null, "stance": "warn", "quote": "I wouldn't call it \"active\" that much", "excerpt": "To be honest, while KolibriOS is open-source, I wouldn't call it \"active\" that much. MenuetOS has progressed much further than KolibriOS over the years in both performance (it has SMP support!) and being 64-bit. You can check the commit activity: https://git.kolibrios.org/KolibriOS/kolibrios/commits/branch/main - last commit on the first page is already 10 months ago. And compare it to \"News\" on the MenuetOS page: - ", "context": "", "use_case": "", "switched_from": "", "story": "MenuetOS \u2013 a GUI OS that boots from a single floppy disk"}, {"id": 750484753, "item_id": 46905297, "url": "https://news.ycombinator.com/item?id=46905297", "by": "Elfener", "date": "2026-02-05", "version": null, "stance": "recommend", "quote": "is an active fork of the open source 32-bit version", "excerpt": "Note that the 64-bit version is not open source. KolibriOS (https://kolibrios.org/en) is an active fork of the open source 32-bit version.", "context": "", "use_case": "", "switched_from": "", "story": "MenuetOS \u2013 a GUI OS that boots from a single floppy disk"}]}