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Repositories in this selection 6 · UTC 2026-11-04
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1—Rreactos / reactosA free Windows-compatible Operating SystemCGPL-2.0 · Share derivative sourceInsufficient rank history18,4252,329——2026-11-02
2—Ss-matyukevich / raspberry-pi-osLearning operating system development using Linux kernel and Raspberry PiCMIT · PermissiveInsufficient rank history13,9631,341——2024-03-29
3—Rravynsoft / ravynosAn open-source OS project that aims to provide source and binary compatibility with macOS® and a similar user experience.CUnknown · Restricted / unknownInsufficient rank history7,095249——2026-09-06
4—Uunikraft / unikraftAuthor description: A next-generation cloud native kernel designed to unlock best-in-class performance, security primitives and efficiency savings.CNOASSERTION · Restricted / unknownInsufficient rank history3,9141,529——2026-10-29
5—Rrcore-os / rCoreRust version of THU uCore OS. Linux compatible.RustMIT · PermissiveInsufficient rank history3,686374——2023-08-24
6—00x59616e / SteinsOSAn operating system written in RustRustMIT · PermissiveInsufficient rank history1288——2021-10-15
License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited.