NuttX

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Apache NuttX
NuttX RTOS Logo.svg
Modern vector logo of Apache NuttX RTOS
Developer Apache Software Foundation
Written in C, C++, assembly
OS family POSIX
Working stateCurrent
Source model Open source
Initial release2007;18 years ago (2007)
Latest release 12.10.0 / July 7, 2025;19 days ago (2025-07-07) [1]
Repository
Marketing target Embedded systems
Supported platforms ARM, AVR, AVR32, HCS12, LM32, MIPS, RISC-V, OpenRISC, SuperH, Xtensa, x86, x86-64, Z80
Kernel type Real-time microkernel
License Apache License 2.0
Official website nuttx.apache.org

Apache NuttX is a free and open-source real-time operating system (RTOS) with an emphasis on technical standards compliance and on having a small footprint. It is scalable from 8-bit to 64-bit microcontroller environments. [2] The main governing standards in NuttX are from the Portable Operating System Interface (POSIX) and the American National Standards Institute (ANSI). Further standard application programming interfaces (APIs) from Unix and other common RTOSes (such as VxWorks) are adopted for functions unavailable under these standards,[ citation needed ] or inappropriate for deeply embedded environments, such as the fork() system call.[ citation needed ]

Contents

NuttX was initially released in 2007 under the permissive BSD license. [3] In December 2019, it began incubation at the Apache Software Foundation. [4] Changing its license from BSD to Apache License and graduated to a top-level project in November 2022. [5]

Projects using NuttX

References

  1. ↑ "Apache NuttX-12.10.0" . Retrieved July 7, 2025.
  2. ↑ "About Apache NuttX". nuttx.apache.org. Retrieved June 23, 2023.
  3. ↑ "NuttX Project at SourceForge". May 29, 2021. Retrieved October 18, 2023.
  4. ↑ "Apache NuttX (Incubating)". incubator.apache.org. Retrieved April 29, 2021.
  5. ↑ "The Apache Software Foundation Announces Apache® NuttX™ as a Top-Level Project". news.apache.org. November 17, 2022. Retrieved June 23, 2023.
  6. ↑ "Autopilot PX4" . Retrieved May 3, 2013.
  7. ↑ "Spresense combines multi-core and power efficiency" . Retrieved September 5, 2019.
  8. ↑ TizenRT repo
  9. ↑ "Xiaomi Unveils Xiaomi HyperOS, a Human-centric Operating System Designed and Tailored to Connect Personal Devices, Cars, and Smart Home Products in a Smart Ecosystem" . Retrieved December 12, 2023.
  10. ↑ "Xiaomi Vela IoT Platform is Being Open-Sourced Based on NuttX Real-time OS". November 17, 2023. Retrieved December 12, 2023.
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