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KolibriOS nightly build desktop
Developer KolibriOS Project Team
Written in Fasm
Working state Active
Source model Open source
Latest release r6975 / September 13, 2017; 5 months ago (2017-09-13)
Available in English, Russian, Italian, Spanish
Platforms x86
Kernel type Monolithic
Default user interface KolibriOS Kernel API

GNU General Public License

Proprietary software[1]
Preceded by MenuetOS
Official website www.kolibrios.org

Kolibri or KolibriOS is a small open source x86 operating system written completely in assembly. It was forked off from MenuetOS[2] in 2004 and has run under independent development since.

In a review piece on alternative operating systems (2009), Tech Radar called it "tremendously impressive" noting its performance and streamlined code-base.[3]


System requirements[edit]

  • i586 compatible CPU required
  • 8 MB of RAM[4]
  • VESA-compatible videocard
  • 1.44MB 3.5" floppy drive, hard disk, USB Flash or CD-drive
  • Keyboard and mouse (COM, PS/2 or USB)

Supported hardware[edit]

Development branches[edit]

  • KolibriACPI: extended ACPI support
  • KolibriNET: extended network support
  • Kolibri-A: Exokernel version of KolibriOS optimized for embedded applications and hardware engineering; only few AMD APU-based platforms are currently supported.


Further reading[edit]

External links[edit]