Apache NuttX
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VisitApache NuttX vs FreeRTOS
What both publish
| Fact | Apache NuttX | FreeRTOS |
|---|---|---|
| Architecture support | The project homepage says NuttX runs on more than 15 CPU architectures, including ARM, RISC-V, x86, and Xtensa. | The product supports more than 40 processor architectures and more than 15 toolchains. |
| License | NuttX is distributed under the Apache License 2.0. | FreeRTOS is distributed under the MIT open source license and can be used for any purpose under that license. |
| Networking | Networking includes IPv4, IPv6, TCP/IP, UDP, ICMP, routing, sockets, DNS, 802.11, Bluetooth LE and 6LoWPAN facilities. | The FreeRTOS feature set includes a thread-safe TCP stack with IPv6 support. |
Apache NuttX plans
- Apache NuttXFree
FreeRTOS plans
- FreeRTOSFree
Pick Apache NuttX if…
Apache NuttX suits developers building software for embedded boards and devices, including projects spanning different processor architectures. Its documented simulator targets may also fit development workflows that do not rely solely on physical hardware.
Pick FreeRTOS if…
FreeRTOS suits developers building real-time software for microcontrollers and small microprocessors. It may be useful to teams evaluating embedded projects across supported processors and toolchains.