# RIOT

> operating system

**Wikidata**: [Q16292393](https://www.wikidata.org/wiki/Q16292393)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/RIOT_(operating_system))  
**Source**: https://4ort.xyz/entity/riot

## Summary
RIOT (Real Time Operating System for Internet of Things) is a lightweight, open-source real-time operating system designed for resource-constrained IoT devices. It supports multiple microcontroller architectures, including TI MSP430, ARM Cortex-M, and RISC-V, and is licensed under the GNU Lesser General Public License (LGPL) version 2.1.

## Key Facts
- **Class**: Real-time operating system (RTOS) for IoT applications.
- **License**: GNU Lesser General Public License (LGPL) version 2.1.
- **Supported Platforms**: TI MSP430, ARM7, ARM Cortex-M, Atmel AVR, MIPS architecture, RISC-V, Xtensa.
- **Developers**: Martin Lenders, Benjamin Valentin, Alexandre Abadie.
- **Latest Version**: 2018.04 (released on May 11, 2018).
- **Website**: [https://www.riot-os.org](https://www.riot-os.org).
- **Source Code**: Hosted on GitHub at [https://github.com/RIOT-OS/RIOT](https://github.com/RIOT-OS/RIOT).
- **Social Media**: Twitter handle @RIOT_OS (2,649 followers as of January 3, 2021).
- **Mastodon**: @RIOT_OS@fosstodon.org (164 followers as of April 11, 2024).
- **YouTube Channel**: RIOT (UCmcXy2qyoQfq7ByoxtFSOjg).

## FAQs
### Q: What is RIOT used for?
A: RIOT is designed for real-time IoT applications, enabling low-latency processing of data on resource-constrained devices.

### Q: Which microcontrollers does RIOT support?
A: RIOT supports TI MSP430, ARM7, ARM Cortex-M, Atmel AVR, MIPS architecture, RISC-V, and Xtensa microcontrollers.

### Q: Is RIOT open-source?
A: Yes, RIOT is open-source and licensed under the GNU Lesser General Public License (LGPL) version 2.1.

### Q: How many versions of RIOT have been released?
A: RIOT has released multiple versions, including 2018.04, 2018.01, 2017.10, and earlier versions dating back to 2015.12.

### Q: Where can I find the source code for RIOT?
A: The source code is available on GitHub at [https://github.com/RIOT-OS/RIOT](https://github.com/RIOT-OS/RIOT).

## Why It Matters
RIOT plays a crucial role in the IoT ecosystem by providing a lightweight, real-time operating system tailored for resource-constrained devices. Its open-source nature fosters community collaboration, allowing developers to customize and optimize the OS for specific IoT applications. By supporting a wide range of microcontrollers, RIOT ensures flexibility and broad compatibility, making it a valuable tool for IoT developers. Its real-time capabilities are particularly important for applications requiring low-latency data processing, such as industrial automation, smart sensors, and wearable devices. The availability of multiple versions and active development indicate its ongoing relevance in the evolving IoT landscape.

## Notable For
- **Lightweight Design**: Optimized for resource-constrained IoT devices.
- **Multi-Platform Support**: Compatible with TI MSP430, ARM Cortex-M, and RISC-V microcontrollers.
- **Open-Source License**: GNU LGPL 2.1, encouraging community contributions.
- **Real-Time Processing**: Minimal delay in data processing, critical for IoT applications.
- **Active Development**: Regular releases and updates, including the latest version (2018.04).

## Body
### Overview
RIOT (Real Time Operating System for Internet of Things) is an open-source real-time operating system designed for IoT devices. It is optimized for low-power, resource-constrained environments and supports a variety of microcontroller architectures.

### Development and Releases
RIOT was developed by Martin Lenders, Benjamin Valentin, and Alexandre Abadie. The project has released multiple versions, with the latest being 2018.04 on May 11, 2018. Earlier versions include 2018.01, 2017.10, 2017.07, 2017.04, 2017.01, 2016.10, 2016.07, 2016.04, and 2015.12.

### Technical Specifications
RIOT supports TI MSP430, ARM7, ARM Cortex-M, Atmel AVR, MIPS architecture, RISC-V, and Xtensa microcontrollers. The OS is licensed under the GNU Lesser General Public License (LGPL) version 2.1, making it freely available for use and modification.

### Community and Support
RIOT has an active community with a Twitter presence (@RIOT_OS) and a Mastodon account (@RIOT_OS@fosstodon.org). The project is hosted on GitHub, where the source code is available for download and contribution.

### Applications
RIOT is particularly suited for real-time IoT applications, such as industrial automation, smart sensors, and wearable devices, where low-latency data processing is essential. Its lightweight design and multi-platform support make it a versatile choice for developers.

## References

1. [Source](https://summit.riot-os.org/2021/blog/speakers/benjamin-valentin/)
2. [Source](https://github.com/RIOT-OS/RIOT/blob/2021.04/README.md#license)
3. [Release 2018.04. 2018](https://github.com/RIOT-OS/RIOT/releases/tag/2018.04)
4. [Release 2018.01. 2018](https://github.com/RIOT-OS/RIOT/releases/tag/2018.01)
5. [Release 2017.10. 2017](https://github.com/RIOT-OS/RIOT/releases/tag/2017.10)
6. [Release 2017.07. 2017](https://github.com/RIOT-OS/RIOT/releases/tag/2017.07)
7. [Release 2017.04. 2017](https://github.com/RIOT-OS/RIOT/releases/tag/2017.04)
8. [Release 2017.01. 2017](https://github.com/RIOT-OS/RIOT/releases/tag/2017.01)
9. [Release 2016.10. 2016](https://github.com/RIOT-OS/RIOT/releases/tag/2016.10)
10. [Release 2016.07. 2016](https://github.com/RIOT-OS/RIOT/releases/tag/2016.07)
11. [Release 2016.04. 2016](https://github.com/RIOT-OS/RIOT/releases/tag/2016.04)
12. [Release 2015.12. 2016](https://github.com/RIOT-OS/RIOT/releases/tag/2015.12)
13. [Release 2015.09. 2015](https://github.com/RIOT-OS/RIOT/releases/tag/2015.09)
14. [Release 2014.12. 2015](https://github.com/RIOT-OS/RIOT/releases/tag/2014.12)
15. [Release 2014.05. 2014](https://github.com/RIOT-OS/RIOT/releases/tag/2014.05)
16. [Release 2014.01. 2014](https://github.com/RIOT-OS/RIOT/releases/tag/2014.01)
17. [Release 2013.08. 2014](https://github.com/RIOT-OS/RIOT/releases/tag/2013.08)
18. [2021](https://github.com/RIOT-OS/RIOT/releases/tag/2021.01)
19. [Release Release-2021.04. 2021](https://github.com/RIOT-OS/RIOT/releases/tag/2021.04)
20. [Release Release-2021.07. 2021](https://github.com/RIOT-OS/RIOT/releases/tag/2021.07)
21. [Release Release-2021.10. 2021](https://github.com/RIOT-OS/RIOT/releases/tag/2021.10)
22. [Release Release-2022.01. 2022](https://github.com/RIOT-OS/RIOT/releases/tag/2022.01)
23. [Release Release-2022.04. 2022](https://github.com/RIOT-OS/RIOT/releases/tag/2022.04)
24. [Release-2023.07. 2023](https://github.com/RIOT-OS/RIOT/releases/tag/2023.07)
25. [Source](https://github.com/RIOT-OS/RIOT/releases/tag/2024.04)
26. [Source](https://api.github.com/repos/RIOT-OS/RIOT)
27. YouTube API