Latest projects

Welcome to page of niche operating systems. Here you can get acquainted with niche/hobby operating systems developed in last few decades. Majority of operating systems are sufficiently functional, few however are i.e. IA-32 real mode operating systems, some are even less developed and could be labeled as advanced boot loaders. More interesting operating systems in this page have memory management capabilities, multi-tasking capabilities and file system support. Closed source operating systems are omitted from this list.

  • Dragonfly BSD
    DragonFly BSD
    Author:
    Matthew Dillon
    Active since:
    Active till:
    License:
    Modified BSD
    Platforms:
    x86-64
  • Desktop
    KolibriOS
    Author:
    KolibriOS Project Team
    Active since:
    Active till:
    License:
    GNU GPL
    Platforms:
    IA-32
  • Not available
    Nanos
    Author:
    Peter Hultqvist
    Active since:
    Active till:
    License:
    GNU GPLv3
    Platforms:
    IA-32
  • Not available
    Plan 42
    Author:
    Andy Elvey
    Active since:
    Active till:
    License:
    GNU GPLv3
    Platforms:
    IA-32
  • Not available
    L4Ka::Pistachio
    Author:
    University of Karlsruhe
    Active since:
    Active till:
    License:
    The two-clause BSD License
    Platforms:
    IA-32, x86-64, PowerPC
  • Not available
    Dream OS
    Author:
    Ivan Gualandri
    Active since:
    Active till:
    License:
    GNU GPLv3
    Platforms:
    IA-32
  • Not available
    FreeRTOS
    Author:
    Richard Barry
    Active since:
    Active till:
    License:
    MIT
    Platforms:
    Embedded devices
  • Not available
    RDOS
    Author:
    Leif Ekblad
    Active since:
    Active till:
    License:
    GNU GPLv2
    Platforms:
    IA-32
  • Desktop
    Syllable Desktop
    Author:
    Kristian Van Der Vliet
    Active since:
    Active till:
    License:
    GNU GPL
    Platforms:
    IA-32
  • Desktop
    Haiku
    Author:
    Haiku, Inc.
    Active since:
    Active till:
    License:
    MIT License; Be Sample Code License
    Platforms:
    IA-32, ARM, x86-64
  • Harvey Windows
    Harvey OS
    Author:
    The Harvey OS team
    Active since:
    Active till:
    License:
    GNU GPL
    Platforms:
    x86-64, RISC-V
  • Sartoiris Microkernel
    Sartoiris Microkernel
    Author:
    Santiago Bazerque, Nicolas de Galarreta
    Active since:
    Active till:
    License:
    BSD License
    Platforms:
    IA-86

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