NuttX

Apache NuttX is a free and open-source (FOSS) real-time operating system (RTOS)

Embedded operating system · by Apache Software Foundation · nuttx.incubator.apache.org

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What NuttX’s own pages say

What it says it doesApache NuttX is a free and open-source (FOSS) real-time operating system (RTOS) nuttx.incubator.apache.org
Open sourceYes nuttx.incubator.apache.org
LicenseLicensed under the Apache License, Version 2.0 . nuttx.incubator.apache.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-05. A missing field means AirStack has not found it on its pages.