# OpenWrt

> Linux distribution for wireless routers and embedded systems

**Wikidata**: [Q1140401](https://www.wikidata.org/wiki/Q1140401)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/OpenWrt)  
**Source**: https://4ort.xyz/entity/openwrt

## Summary
OpenWrt is a Linux distribution designed for wireless routers and embedded systems, providing an open-source alternative to manufacturer firmware. It offers extensive customization options and supports a wide range of hardware platforms, allowing users to enhance router functionality beyond standard capabilities.

## Key Facts
- Founded on January 6, 2004, as an open-source project for wireless routers
- Licensed under GNU General Public License version 2.0
- Latest stable release as of July 2025 is version 25.12.0 (released March 5, 2026)
- Supports multiple architectures including ARM, MIPS, PowerPC, and x86
- Developed by a community including contributors like Gábor Juhos, Florian Fainelli, Hauke Mehrtens, and Jo-Philipp Wich
- Uses opkg package management system for software installation
- Features LuCI web interface for configuration and management
- Has over 31 sitelinks across various language Wikipedias
- Available on GitHub with active development and community contributions

## FAQs
### Q: What is OpenWrt used for?
A: OpenWrt is used to replace manufacturer firmware on wireless routers and embedded devices, providing enhanced functionality, security features, and customization options. It allows users to install additional software packages, configure advanced networking features, and extend the capabilities of their hardware beyond what's typically available in stock firmware.

### Q: Is OpenWrt free to use?
A: Yes, OpenWrt is completely free and open-source software licensed under the GNU General Public License version 2.0. Users can download, modify, and distribute the software without cost, and the project welcomes community contributions to its development and documentation.

### Q: What hardware does OpenWrt support?
A: OpenWrt supports a wide range of hardware platforms including popular router brands, single-board computers like Raspberry Pi and Banana Pi, and various embedded systems. It runs on multiple architectures such as ARM, MIPS, PowerPC, and x86, making it compatible with both consumer and industrial networking devices.

## Why It Matters
OpenWrt matters because it democratizes router and embedded system functionality by providing a free, open-source alternative to proprietary firmware. It empowers users to take control of their networking hardware, offering enhanced security, privacy, and customization options that aren't available in standard manufacturer firmware. The project has become a cornerstone of the open-source networking community, enabling advanced features like network client isolation, VPN support, and custom firewall configurations. By supporting a vast array of hardware platforms and maintaining active development, OpenWrt ensures that users aren't locked into vendor-specific ecosystems and can extend the lifespan of their devices through community-driven updates and improvements. Its impact extends beyond individual users to businesses, educational institutions, and developers who rely on its flexibility and transparency for building robust networking solutions.

## Notable For
- First major open-source firmware project specifically designed for wireless routers
- Extensive hardware compatibility across multiple architectures and device types
- Active community development with regular stable releases and security updates
- Comprehensive package ecosystem through opkg package manager
- LuCI web interface providing user-friendly configuration options

## Body
### Development History
OpenWrt began in 2004 as a fork of the Linksys WRT54G router firmware, which was released under the GPL after Linksys was acquired by Cisco. The project quickly evolved beyond its origins to support a wide range of hardware platforms and became a standalone Linux distribution for embedded systems. Major milestones include the Chaos Calmer release (15.05) in 2015, which brought significant stability improvements, and the transition to a more modular architecture in subsequent versions.

### Technical Architecture
OpenWrt uses a Linux kernel as its foundation, combined with BusyBox for core utilities and musl as the standard C library. The system employs a read-only root filesystem with overlay capabilities for persistent configuration changes. Package management is handled through opkg, which allows users to install additional software from repositories. The LuCI web interface provides a graphical configuration system, while command-line tools offer advanced users complete control over system settings.

### Community and Governance
The project operates as a community-driven initiative with contributors from around the world. Development occurs through public Git repositories, with code review and discussion happening on mailing lists and forums. The OpenWrt Project is affiliated with Software in the Public Interest (SPI), a non-profit organization that provides legal and financial support for open-source projects. Regular developer meetings and the OpenWrt Summit facilitate collaboration and strategic planning.

### Security Features
OpenWrt includes built-in security mechanisms such as network client isolation, firewall configuration through LuCI, and support for various VPN protocols. The project maintains a security advisory system to notify users of vulnerabilities and provide timely patches. Package signing through usign ensures software integrity, while the modular architecture allows users to minimize attack surfaces by only installing necessary components.

### Applications and Use Cases
Beyond traditional router functionality, OpenWrt serves as a platform for network monitoring, IoT gateway deployment, and custom networking solutions. Educational institutions use it for teaching networking concepts, while businesses deploy it for specialized routing and firewall applications. The flexibility of the system makes it suitable for both home users seeking enhanced control and enterprise environments requiring custom network configurations.

## Schema Markup
```json
{
  "@context": "https://schema.org",
  "@type": "SoftwareApplication",
  "name": "OpenWrt",
  "description": "Linux distribution for wifi routers and embedded systems",
  "url": "https://openwrt.org/",
  "applicationCategory": "NetworkOperatingSystem",
  "operatingSystem": ["Linux", "Embedded"],
  "license": "GNU General Public License v2.0",
  "creator": [
    {
      "@type": "Organization",
      "name": "OpenWrt Project"
    }
  ],
  "sameAs": [
    "https://en.wikipedia.org/wiki/OpenWrt",
    "https://www.wikidata.org/wiki/Q186055"
  ]
}

## References

1. [Source](https://openwrt.org/start)
2. [Source](https://openwrt.org/start#why_use_openwrt)
3. [Source](https://openwrtsummit.files.wordpress.com/2018/11/hauke-mehrtens.pdf)
4. [Source](https://github.com/openwrt/openwrt/blob/master/COPYING)
5. [2025](https://github.com/EvanLi/Github-Ranking/blob/master/Data/github-ranking-2025-07-06.csv)
6. [The OpenWrt developers are proud to announce the minor fix release of OpenWrt Chaos Calmer.](https://forum.openwrt.org/viewtopic.php?pid=315110)
7. [Release 15.05. 2015](https://github.com/openwrt/openwrt/releases/tag/v15.05)
8. [Release 14.07. 2015](https://github.com/openwrt/openwrt/releases/tag/v14.07)
9. [Release 12.09. 2015](https://github.com/openwrt/openwrt/releases/tag/v12.09)
10. [OpenWrt 18.06.0-rc2 - Second Stable Release Candidate - July 2018](https://openwrt.org/releases/18.06/notes-18.06.0-rc2)
11. [OpenWrt 18.06.0 - First Stable Release - July 2018. 2018](https://openwrt.org/releases/18.06/notes-18.06.0)
12. [OpenWrt 18.06.1 - First Service Release - August 2018](https://openwrt.org/releases/18.06/notes-18.06.1)
13. [OpenWrt 18.06.2 - Second Service Release - January 2019](https://openwrt.org/releases/18.06/notes-18.06.2)
14. [2019](https://lists.openwrt.org/pipermail/openwrt-devel/2019-July/017896.html)
15. [2019](https://github.com/openwrt/openwrt/releases/tag/v18.06.4)
16. [OpenWrt 19.07.0-rc1 - First Release Candidate - November 2019](https://git.openwrt.org/?p=openwrt/openwrt.git;a=shortlog;h=refs/heads/openwrt-19.07)
17. [2019](https://openwrt.org/releases/18.06/notes-18.06.5)
18. [2019](https://github.com/openwrt/openwrt/releases/tag/v18.06.5)
19. [2019](https://github.com/openwrt/openwrt/releases/tag/v19.07.0-rc2)
20. [2020](https://git.openwrt.org/?p=openwrt/openwrt.git;a=tag;h=refs/tags/v19.07.0)
21. [2020](https://github.com/openwrt/openwrt/releases/tag/v19.07.0)
22. [2020](https://openwrt.org/releases/19.07/notes-19.07.0)
23. [2020](https://openwrt.org/releases/19.07/notes-19.07.2)
24. [2020](https://github.com/openwrt/openwrt/releases/tag/v19.07.2)
25. [2020](https://openwrt.org/releases/19.07/notes-19.07.3)
26. [2020](https://github.com/openwrt/openwrt/releases/tag/v19.07.3)
27. [2020](https://openwrt.org/releases/19.07/notes-19.07.4)
28. [Source](https://web.archive.org/web/2004/openwrt.ksilebo.net/temp/)
29. [Source](https://openwrt.org/releases/19.07/notes-19.07.5)
30. [Source](https://openwrt.org/releases/19.07/notes-19.07.6)
31. [Source](https://openwrt.org/releases/19.07/notes-19.07.7)
32. [2021](https://openwrt.org/releases/21.02/notes-21.02.0-rc3)
33. [Source](https://openwrt.org/releases/19.07/notes-19.07.8)
34. [OpenWrt 21.02.0 - First Stable Release - 4 September 2021](https://openwrt.org/releases/21.02/notes-21.02.0)
35. [Source](https://openwrt.org/releases/19.07/notes-19.07.1)
36. [OpenWrt 21.02.1 - Service Release - 25 October 2021](https://openwrt.org/releases/21.02/notes-21.02.1)
37. [OpenWrt 21.02.2 - Service Release - 25 February 2022](https://openwrt.org/releases/21.02/notes-21.02.2)
38. [Source](https://openwrt.org/releases/21.02/notes-21.02.3)
39. [Source](https://openwrt.org/releases/19.07/notes-19.07.9)
40. [Source](https://openwrt.org/releases/19.07/notes-19.07.10)
41. [2022](https://openwrt.org/releases/22.03/notes-22.03.0-rc1)
42. [Source](https://lists.infradead.org/pipermail/openwrt-devel/2022-September/039343.html)
43. [2022](https://openwrt.org/releases/22.03/notes-22.03.2)
44. [2022](https://openwrt.org/releases/21.02/notes-21.02.5)
45. [2023](https://openwrt.org/releases/22.03/notes-22.03.3)
46. [2023](https://openwrt.org/releases/22.03/notes-22.03.4)
47. [2023](https://openwrt.org/releases/22.03/notes-22.03.5)
48. [Source](https://openwrt.org/releases/23.05/notes-23.05.0-rc1)
49. [OpenWrt 23.05.0-rc2 - Second Release Candidate - 28 June 2023. 2023](https://openwrt.org/releases/23.05/notes-23.05.0-rc2)
50. [2023](https://openwrt.org/releases/23.05/notes-23.05.0-rc4)