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apache / nuttx

Apache NuttX is a mature, real-time embedded operating system (RTOS)

RT-Thread / rt-thread

RT-Thread is an open source IoT Real-Time Operating System (RTOS). https://rt-thread.github.io/rt-thread/

Popularity
Repository stars4,10112,330Highest
Fork1,7505,489Highest
Maintenance
Last push2026-11-062026-11-06
Maintenance notesNot verifiedNot verified
Repository created2019-12-142013-01-02
License & use
LicenseApache-2.0 · PermissiveApache-2.0 · Permissive
PricingPricing not verifiedPricing not verified
Basics
Browse by purposeDeveloper tools · Deployment & operationsDeveloper tools · Deployment & operations
TypeApps & systemsApps & systems
SubcategoryOperating systems & kernelsOperating systems & kernels
PlatformNot verifiedNot verified
First collected2026-11-032026-11-03
LanguageCC

License tiers are derived from metadata. Check obligations for your use; unknown does not mean prohibited. Measured at 2026-11-06 UTC