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10 repositories by Attention Score · Oct 5, 2026 – Nov 3, 2026 (UTC)

Tag: Operating system

1.torvalds / linux

Linux kernel source tree

C Other license254K total67K forks

+3,902 stars

from 250,391 · score 8.27

2.HeyPuter / puter

🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

desktop
desktop-environment
osjs
web-desktop
webtop
cloud-os
+14 more

TypeScript AGPL-3.044K total4.1K forks

+496 stars

from 43,575 · score 6.21

3.reactos / reactos

A free Windows-compatible Operating System

operating-system
c
kernel
os
osdev
x86
+7 more

C GPL-2.018K total2.3K forks

+295 stars

from 18,132 · score 5.69

4.jordanhubbard / daemonarchy

A new desktop installer and curated and signed package ecosystem for FreeBSD; inspired by Omarchy, FreeBSD and the classic world of video games

Python No license234 total9 forks

+236 stars

from 2 · score 5.47

5.mit-pdos / xv6-riscv

Xv6 for RISC-V

C Other license11K total4.6K forks

+177 stars

from 10,566 · score 5.18

6.SerenityOS / serenity

The Serenity Operating System 🐞

operating-system
c-plus-plus
os
unix
desktop-environment
kernel
+1 more

C++BSD-2-CLAUSE34K total3.5K forks

+106 stars

from 33,836 · score 4.67

7.CosmosOS / Cosmos

Cosmos is an operating system "construction kit". Build your own OS using managed languages such as C#, VB.NET, and more!

hacktoberfest

C#BSD-3-CLAUSE3.2K total591 forks

+27 stars

from 3,206 · score 3.33

8.dspinellis / unix-history-repo

Continuous Unix commit history from 1970 until today

unix
freebsd
bell-labs
history
evolution
berkeley
+1 more

Assembly Other license7.3K total506 forks

+23 stars

from 7,270 · score 3.18

9.microsoft / MS-DOSArchived

The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

ms-dos

Assembly MIT32K total4.7K forks

+6 stars

from 32,252 · score 1.95

10.icebreaker / floppybird

Floppy Bird (OS)

qemu
assembly
game
dos
boot
os
+5 more

Assembly MIT935 total62 forks

+1 stars

from 934 · score 0.69

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