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NuttX

NuttX logo
Developer	Apache Software Foundation
Written in	C, C++, assembly
OS family	POSIX
Working state	Current
Source model	Open source
Initial release	2007; 17 years ago (2007)
Latest release	12.7.0 / October 30, 2024; 59 days ago (2024-10-30)
Repository	github.com/apache/nuttx
Marketing target	Embedded systems
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

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. 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, or inappropriate for deeply embedded environments, such as the fork() system call.

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

Projects using NuttX

• PX4 autopilot drones.
• 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.
• Samsung TizenRT based on NuttX RTOS.
• Xiaomi Vela, an IoT software platform based on NuttX.

References

1. "Apache NuttX-12.7.0". Retrieved October 30, 2024.
2. "About Apache NuttX". nuttx.apache.org. Retrieved June 23, 2023.
3. "NuttX Project at SourceForge". 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. 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". Retrieved December 12, 2023.

External links

• Official website

• Real-time operating systems
• Embedded operating systems
• Free software operating systems
• ARM operating systems
• Microkernel-based operating systems
• Microkernels
• IA-32 operating systems
• X86-64 operating systems