Operating systems & kernels
Repositories in this selection 31 · UTC 2026-11-03
CompareRankProjectStarFork30-day trend7-day net changeLast pushSign in to save
1—Ttorvalds / linuxLinux kernel source treeCNOASSERTION · Restricted / unknownInsufficient rank history254,22366,977——2026-11-01
2—Oomacom / omarchyBeautiful, Modern & Opinionated LinuxShellMIT · PermissiveInsufficient rank history46,1545,832——2026-11-03
3—SSerenityOS / serenityThe Serenity Operating System 🐞C++BSD-2-Clause · PermissiveInsufficient rank history33,9393,490——2026-11-02
4—Rreactos / reactosA free Windows-compatible Operating SystemCGPL-2.0 · Share derivative sourceInsufficient rank history18,4252,329——2026-11-02
5—RRT-Thread / rt-threadRT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/CApache-2.0 · PermissiveInsufficient rank history12,3245,486——2026-11-03
6—Llinux-surface / linux-surfaceLinux Kernel for Surface DevicesShellUnknown · Restricted / unknownInsufficient rank history7,869380——2026-11-02
7—Hhome-assistant / operating-system:beginner: Home Assistant Operating SystemPythonApache-2.0 · PermissiveInsufficient rank history7,6181,329——2026-11-02
8—NNodeOS / NodeOSLightweight operating system using Node.js as userspaceShellMIT · PermissiveInsufficient rank history7,344615——2023-03-07
9—Ttock / tockA secure embedded operating system for microcontrollersRustNOASSERTION · Restricted / unknownInsufficient rank history6,486870——2026-11-02
10—SseL4 / seL4The seL4 microkernelCNOASSERTION · Restricted / unknownInsufficient rank history5,849821——2026-10-30
11—Iincludeos / IncludeOSA minimal, resource efficient unikernel for cloud servicesC++Apache-2.0 · PermissiveInsufficient rank history5,257400——2026-05-15
12—AARMmbed / mbed-osArm Mbed OS is a platform operating system designed for the internet of thingsCNOASSERTION · Restricted / unknownInsufficient rank history4,8833,006——2024-10-08
13—Oo2oa / o2oaOpen source OA system - Code Cloud GVP|Java open source oa|Enterprise OA office platform|Enterprise OA|Collaborative office OA|Process platform OA|O2OA|OA, supports domestic Kirin operating system and domestic databases (Dameng, Renmin University of Finance and Economics), government affairs OA, military information OAJavaScriptAGPL-3.0 · Share derivative sourceInsufficient rank history4,7131,406——2026-11-03
14—Aalibaba / AliOS-ThingsA highly scalable IoT operating system for the IoT field. For more information, please go to the official website https://www.aliyun.com/product/aliosthingsCApache-2.0 · PermissiveInsufficient rank history4,6331,155——2023-07-04
15—Ccirosantilli / linux-kernel-module-cheatThe perfect emulation setup to study and develop the Linux kernel, kernel modules, QEMU, gem5 and x86_64, ARMv7 and ARMv8 userland and baremetal assembly, ANSI C, C++ and POSIX. GDB step debug and KGDB just work. Powered by Buildroot and crosstool-NG. Highly automated. Thoroughly documented. Automated tests. "Tested" in an Ubuntu 24.04 host.PythonGPL-3.0 · Share derivative sourceInsufficient rank history4,520615——2026-06-16
16—SSKeyerror / PsyduckRecord CS knowlegement with XMind, version 2.0. Use XMind to record some designs of Linux operating system, network, C++, Golang and databaseGoUnknown · Restricted / unknownInsufficient rank history4,402508——2022-08-14
17—Ccloudius-systems / osvOSv, a new operating system for the cloud.CNOASSERTION · Restricted / unknownInsufficient rank history4,266610——2026-10-26
18—Eerxes / erxesExperience Operating System (XOS) that unifies marketing, sales, operations, and support — run your core business seamlessly while replacing HubSpot, Zendesk, Linear, Wix and more.TypeScriptNOASSERTION · Restricted / unknownInsufficient rank history4,1081,330——2026-11-03
19—Aapache / nuttxApache NuttX is a mature, real-time embedded operating system (RTOS)CApache-2.0 · PermissiveInsufficient rank history4,0991,745——2026-11-03
20—Ttheori-io / copy-fail-CVE-2026-31431Copy Fail (CVE-2026-31431): 9-year-old Linux kernel LPE found by Theori's Xint CodePythonUnknown · Restricted / unknownInsufficient rank history4,082906——2026-04-29
License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited.