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Name Size UI Family Arch Status Source Lang Medium Notes
Android 54+ MB
Linux 32-bit Modern Open-source C++ CD Android x86 1.6-r2 Arch Linux 15+ MB
Linux 32-bit Modern Open-source C 9pfs Various packages, including Xorg, Firefox and more Buildroot Linux 4.9 MB
Linux 32-bit Modern Open-source C bzImage Minimal Linux with Lua, ping, curl, telnet Damn Small Linux 50 MB
Linux 32-bit Historic Open-source C CD 4.11.rc2 with Firefox 2.0 ELKS 1.2 MB
Linux-like 16-bit Modern Open-source C HD Linux for 8086 NodeOS 14 MB
Linux 32-bit Modern Open-source C bzImage Linux with nodejs as /bin/init Tilck 16 MB
Linux-like 32-bit Modern Open-source C HD Tiny Linux-Compatible Kernel FreeBSD 16+ MB
BSD 32-bit Modern Open-source C HD FreeBSD 12.0 NetBSD 23+ MB
BSD 32-bit Modern Open-source C HD NetBSD 4.0 with Xorg OpenBSD 11+ MB
BSD 32-bit Modern Open-source C HD OpenBSD 6.6 Arch Hurd 16+ MB
Hurd 32-bit Modern Open-source C HD A port of Arch Linux to the GNU Hurd system BSD/OS 10+ MB
BSD 32-bit Historic Proprietary C HD A proprietary Unix released in 1993 as BSD/386. Includes gcc and perl5 FiwixOS 4.2+ MB
Unix-like 32-bit Modern Open-source C HD With Doom Minix 30+ MB
Unix-like 32-bit Modern Open-source C CD Minix 3.3 Redox 31+ MB
Unix-like 32-bit Modern Open-source Rust HD A Unix-like microkernel OS written in Rust SerenityOS 16+ MB
Unix-like 32-bit Modern Open-source C++ HD Web browser, various games and demos Sortix 67 MB
Unix-like 32-bit Modern Open-source C++ CD A small self-hosting Unix-like operating system Soso 7.6 MB
Unix-like 32-bit Modern Open-source C CD A Simple Unix-like operating system Syllable 28+ MB
Unix-like 32-bit Historic Open-source C++ HD A user friendly, POSIX compatible OS Unix V7 0.5+ MB
Unix 32-bit Historic Proprietary C HD Unix V7 port for x86, including Amsterdam Compiler Kit QuantixOS 3.1 MB
Unix-like 32-bit Modern Open-source C, ASM CD A UNIX-like operating system written in x86 Intel Assembly and C BeOS 5 34+ MB
BeOS 32-bit Historic Proprietary C++ HD With Opera 3.62, NetPositive Haiku 36+ MB
BeOS 32-bit Modern Open-source C++ HD Networking (WebPositive), OCaml, 2048, NetHack AROS Broadway 25+ MB
AmigaOS 32-bit Modern Open-source C CD AmigaOS-like graphical OS Icaros Desktop 60+ MB
AmigaOS 32-bit Modern Open-source C CD AmigaOS-like graphical OS Tiny Aros 17+ MB
AmigaOS 32-bit Modern Open-source C CD AmigaOS-like graphical OS 9front 5.2+ MB
Plan 9 32-bit Modern Open-source C HD An actively maintained fork of Plan 9 9legacy 13 MB
Plan 9 32-bit Historic Open-source C HD A set of patches based on the latest release of Plan 9 ReactOS 17+ MB
Windows-like 32-bit Modern Open-source C++ HD QtWeb, LBreakout2, OpenTTD, Bochs, TCC Windows 1.01 0.7 MB
Windows 16-bit Historic Proprietary ASM, C Floppy The first release version of Windows Windows 2.03 1.8 MB
Windows 16-bit Historic Proprietary ASM, C HD Reversi, Paint Windows 3.0 16 MB
Windows 16-bit Historic Proprietary ASM, C HD CorelDRAW! 2.0, Actor 2.0, The Best of Microsoft Entertainment Pack Windows 3.1 17 MB
Windows 16-bit Historic Proprietary ASM, C HD QBasic, Minesweeper, Solitaire Windows 95 19+ MB
Windows 32-bit Historic Proprietary ASM, C HD Age of Empires, FASM, POV-Ray, Hover! Windows 98 13+ MB
Windows 32-bit Historic Proprietary ASM, C HD FreeCell, Hearts, sheep.exe, IE 5 Windows ME 28+ MB
Windows 32-bit Historic Proprietary ASM, C HD Visual Basic, Office 97 Windows NT 3.1 18+ MB
Windows 32-bit Historic Proprietary C++ HD The first retail version of Windows NT Windows NT 3.51 28+ MB
Windows 32-bit Historic Proprietary C++ HD Internet Explorer 3 and Visual FoxPro 3.0 Windows NT 4.0 16+ MB
Windows 32-bit Historic Proprietary C++ HD Windows NT 4.0 Service Pack 1 Windows 2000 28+ MB
Windows 32-bit Historic Proprietary C++ HD IE 6, K-Meleon, Winamp, Delphi, NetHack and more 86-DOS 0.1 MB
DOS 16-bit Historic Proprietary ASM Floppy 86-DOS version 1.0 Exploring IBM 0.1 MB
DOS 16-bit Historic Proprietary ASM Floppy Learning program on how to use a computer FreeDOS 0.6 MB
DOS 16-bit Modern Open-source ASM, C Floppy nasm, vim, debug.com, Rogue, various demos FreeGEM 1.6+ MB
DOS 16-bit Historic Open-source ASM, C HD Graphical desktop for FreeDOS Xcom 1.3 MB
DOS 16-bit Historic Open-source ASM, C Floppy Graphical desktop for FreeDOS MS-DOS 4 0.5 MB
DOS 16-bit Historic Proprietary ASM Floppy Contains EDLIN MS-DOS 6.22 2.4+ MB
DOS 16-bit Historic Proprietary ASM HD Doom, Sim City, OCaml 1.0, Turbo C and more PC-MOS/386 0.7 MB
DOS 32-bit Historic Proprietary ASM, C Floppy Multi-user and multi-tasking OS PsychDOS 4.6+ MB
DOS 16-bit Historic Open-source ASM HD ANSI-like graphical desktop for FreeDOS lEEt/OS 0.5 MB
DOS 32-bit Modern Open-source ASM, C Floppy Graphical desktop for ST-DOS Doom On One Floppy 1.1 MB
DOS 16-bit Modern Open-source C, ASM Floppy Doom Shareware that fits on one floppy disk Chimaera OS 29 KB
DOS 16-bit Modern Open-source ASM HD MS-DOS compatible operating system for i8086 and newer BleskOS 0.2 MB
Custom 32-bit Modern Open-source C CD Alternative OS for older PCs Blue Jay 83 KB
Custom 16-bit Modern Open-source ASM Floppy Based on MikeOS BoneOS 3.0 MB
Custom 32-bit Modern Open-source C CD Simple hobby OS BootChess 4.0 KB
Custom 16-bit Modern Open-source ASM Floppy Chess in a bootsector CatK 3.2 MB
Custom 32-bit Modern Open-source C CD Simple Unix-like kernel Crazierl 11 MB
Custom 32-bit Modern Open-source C, Erlang Multiboot An Erlang Operating System Dusk OS 0.4 MB
Custom 32-bit Modern Open-source C HD A 32-bit Forth Floppy Bird 6.5 KB
Custom 16-bit Modern Open-source C Floppy Flappy Bird game in a bootsector HelenOS 7.9 MB
Custom 32-bit Modern Open-source C CD A microkernel-based multiserver OS Hello v86 512 B
Custom 16-bit Modern Open-source ASM Bootsector Small bootsector demo for v86 House 1.1 MB
Custom 32-bit Modern Open-source Haskell Floppy Haskell User's Operating System and Environment JX 1.3 MB
Custom 32-bit Modern Open-source Java Floppy Java-based operating system KolibriOS 1.3 MB
Custom 32-bit Modern Open-source ASM Floppy Various apps, games and demos Little Kernel 0.4 MB
Custom 32-bit Modern Open-source C Multiboot An embedded kernel designed for small systems M/CP 512 B
Custom 16-bit Modern Open-source ASM Bootsector The Minimal Control Program MikeOS 0.2 MB
Custom 16-bit Modern Open-source ASM CD Contains a FORTH and BASIC interpreter and several games Mobius 1.3 MB
Custom 32-bit Modern Open-source C Floppy POSIX and Win32 compatible OS Mu 0.2 MB
Custom 16-bit Modern Open-source C HD Minimal-dependency hobbyist computing stack NanoShell 3.5 MB
Custom 32-bit Modern Open-source C CD Multi-tasked 32-bit OS with Win9x-like GUI NewOS 0.6 MB
Custom 32-bit Modern Open-source C++ Floppy Cross-platform portable OS Nope OS 92 KB
Custom 32-bit Modern Open-source C CD Simple OS with BASIC interpreter Oberon 1.6 MB
Custom 32-bit Historic Open-source Oberon HD Native Oberon 2.3.6 QNX 4.05 1.4 MB
Custom 32-bit Historic Proprietary C Floppy 1999 demo disk SectorLISP 512 B
Custom 16-bit Modern Open-source ASM Bootsector Bootstrapping LISP in a Boot Sector Skift 44 MB
Custom 32-bit Modern Open-source C++ CD A hobby OS built from scratch using C/C++ Snowdrop 0.4 MB
Custom 16-bit Modern Open-source ASM Floppy 16-bit hobby OS with GUI Sol OS 0.3 MB
Custom 32-bit Modern Proprietary ASM Floppy Simple graphical OS Still Alive 10 KB
Custom 32-bit Modern Open-source C Floppy Bootable demo that plays "Still Alive" from Portal T3XFORTH 59 KB
Custom 16-bit Historic Open-source ASM Floppy An old-school, plain vanilla FORTH system TetrOS 512 B
Custom 16-bit Modern Open-source ASM Bootsector Tetris that fits into the boot sector ToaruOS 6.3 MB
Custom 32-bit Modern Open-source C CD A hobby OS written from scratch bootBASIC 512 B
Custom 16-bit Modern Open-source ASM Bootsector A BASIC in 512 bytes of x86 machine code Pillman 512 B
Custom 16-bit Modern Open-source ASM Bootsector A yellow thing eats pills and is chased by monsters bootRogue 512 B
Custom 16-bit Modern Open-source ASM Bootsector A roguelike game that fits in a boot sector dino 512 B
Custom 16-bit Modern Open-source ASM Bootsector Chrome's t-rex based bootsector game Invaders 512 B
Custom 16-bit Modern Open-source ASM Bootsector Invaders in a bootsector Sanos 0.5 MB
Custom 32-bit Modern Open-source C HD Minimalistic 32-bit x86 OS sectorforth 512 B
Custom 16-bit Modern Open-source ASM Bootsector 16-bit x86 Forth in a bootsector Dancy 1.3 MB
Custom 32-bit Modern Open-source C CD Dancy Operating System CuriOS 6.6 MB
Custom 32-bit Modern Open-source C HD Simple GUI based OS inspired by AmigaOS OS64 2.2 MB
Custom 32-bit Modern Open-source C CD Commodore 64 emulator OS for x86 (slow) netboot.xyz 1.0 MB
Custom 32-bit Modern Open-source C CD Netboot into various operating systems (slow) SqueakNOS 20 MB
Custom 32-bit Modern Open-source C, Smalltalk CD Smalltalk as a Standalone OS Chokanji 4 13+ MB
Custom 32-bit Historic Proprietary C HD A Japanese OS based on the TRON project Mojo OS 1.4 MB
Custom 32-bit Modern Open-source C++ CD A simple operating system for the x86 architecture Vanadium OS 0.7 MB
Custom 32-bit Modern Open-source C CD A portable, multi-user Unix-like OS PrettyOS 0.5 MB
Custom 32-bit Modern Open-source C++ Floppy Simple OS for beginners Asuro 2.1 MB
Custom 32-bit Modern Open-source Pascal CD Asuro is a hobbyist operating system written in Pascal XENUS 2.0 MB
Custom 32-bit Modern Open-source C HD The Vanadium OS predecessor bootOS 11 KB
Custom 16-bit Modern Open-source ASM Floppy a monolithic operating system in 512 bytes of x86 machine code Chip4504 18 KB
Custom 16-bit Modern Open-source ASM Floppy CHIP-8 emulator operating system ForthOS 1.3 MB
Custom 32-bit Historic Open-source Forth HD Complete standalone Forth-based operating system NewOS Notion 3.7 MB
Custom 32-bit Modern Open-source C++ HD Modified NewOS with fast TCP-based window manager and Doom

Setup

or create empty floppy disk
or create empty floppy disk
or create empty hard disk
or create empty hard disk




Disk images are not uploaded to the server
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Presets: none, inbrowser, public relay, wisp, fetch
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Version: 62fd36e0 (Feb 3, 2026 07:02)
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