Project Summary
IntroductionThe Real-Time Thread(RT-Thread) Operating System is an open source real-time operating system developed by the RT-Thread Studio based in China, after four years' fully concentrated development. It is aimed to change the current situation in China that there is no domestic owned Intellectual Patent in the small scale open source real-time operating system area. It is a real-time operating system not only on the open source level but also on the commercial standard level. Having been used by more than ten companies in China, it proved to be an operating system running stably for weeks.
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In a Nutshell, rt-thread...
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has a well established, mature codebase
maintained by a very large development team
with stable Y-O-Y commits -
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took an estimated 3,135 years of effort (COCOMO model)
starting with its first commit in February, 2009
ending with its most recent commit 5 days ago
Quick Reference
GNU General Public License v2.0 or later
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
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30 Day SummaryAug 12 2026 — Sep 11 2026
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12 Month SummarySep 11 2025 — Sep 11 2026
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