NuttX

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Apache NuttX
File:NuttX RTOS Logo.svg
Modern vector logo of Apache NuttX RTOS
DeveloperApache Software Foundation
Written inC, C++, assembly
OS familyPOSIX
Working stateCurrent
Source modelOpen source
Initial release2007; 19 years ago (2007)
Latest release12.11.0 / October 5, 2025; 9 months ago (2025-10-05) [1]
Repository
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Marketing targetEmbedded systems
Supported platformsARM, AVR, AVR32, HCS12, LM32, MIPS, RISC-V, OpenRISC, SuperH, Xtensa, x86, x86-64, Z80
Kernel typeReal-time microkernel
LicenseApache License 2.0
Official websitenuttx.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]

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

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  • PX4 autopilot drones.[6]
  • Pixhawk an advanced, User-Friendly Autopilot.
  • OsmocomBB uses NuttX to develop an operating system for cell phones.
  • Haltian's Thingsee IoT gateway devices use the ThingseeOS operating system, which is based on NuttX.
  • Motorola Moto Z.
  • Sony is using NuttX in their audio processors.
  • Sony is using NuttX in the Spresense development board.[7]
  • Samsung TizenRT based on NuttX RTOS.[8]
  • Xiaomi Vela, an IoT software platform based on NuttX.[9][10]

References

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  1. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  2. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  3. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  4. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  5. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  6. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  7. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  8. ^ TizenRT repo
  9. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  10. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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