# Neqo

> implementation of the QUIC transport protocol in Rust

**Wikidata**: [Q105941744](https://www.wikidata.org/wiki/Q105941744)  
**Source**: https://4ort.xyz/entity/neqo

## Summary
Neqo is a free, open-source implementation of the QUIC transport protocol written in Rust. Developed by Mozilla, it is distributed under both the Apache 2.0 and MIT licenses, making it freely usable, modifiable, and distributable. Neqo is part of Mozilla's broader efforts to improve web performance and security, particularly in the context of HTTP/3.

## Key Facts
- **Implementation of QUIC**: Neqo is a Rust-based software library that provides a QUIC transport protocol implementation.
- **Licenses**: Distributed under both the Apache Software License 2.0 and the MIT License.
- **Latest stable version**: 0.13.1 (released on 2025-04-08).
- **Programming language**: Written in Rust.
- **Copyright status**: Copyrighted.
- **Instance of**: Software library and free software.
- **Website**: [Mozilla Firefox Source Docs](https://firefox-source-docs.mozilla.org/networking/http/http3.html).
- **Source code repository**: Hosted on [GitHub](https://github.com/mozilla/neqo).

## FAQs
### Q: What is Neqo used for?
A: Neqo is used to implement the QUIC transport protocol, which is designed to improve web performance and security by enabling faster, more reliable connections compared to traditional TCP-based protocols.

### Q: Who developed Neqo?
A: Neqo was developed by Mozilla, an organization known for its web browser Firefox and other open-source projects.

### Q: What licenses does Neqo use?
A: Neqo is dual-licensed under the Apache Software License 2.0 and the MIT License, allowing users to choose the license that best fits their needs.

### Q: How can I contribute to Neqo?
A: You can contribute to Neqo by visiting its GitHub repository at [https://github.com/mozilla/neqo](https://github.com/mozilla/neqo), where the source code is hosted.

### Q: What programming language is Neqo written in?
A: Neqo is written in Rust, a systems programming language known for its performance and safety features.

## Why It Matters
Neqo plays a crucial role in advancing web communication protocols by providing a robust, open-source implementation of QUIC. QUIC is designed to address the limitations of traditional TCP-based protocols, such as head-of-line blocking and latency issues. By implementing QUIC in Rust, Neqo ensures high performance, memory safety, and cross-platform compatibility. This makes it a valuable tool for developers and researchers working on modern web infrastructure. Additionally, Neqo's open-source nature encourages collaboration and innovation within the developer community. Its integration into Mozilla's projects, such as Firefox, highlights its importance in shaping the future of web technologies. As the internet continues to evolve, protocols like QUIC, supported by projects like Neqo, will be essential for delivering faster, more secure, and reliable web experiences.

## Notable For
- **Open-source QUIC implementation**: Neqo is one of the few open-source implementations of the QUIC protocol, making it a valuable resource for developers and researchers.
- **Rust-based development**: By leveraging Rust, Neqo benefits from the language's performance and safety features, ensuring a reliable and efficient implementation.
- **Dual licensing**: Neqo's dual licensing under Apache 2.0 and MIT allows users to choose the license that best suits their project's needs.
- **Integration with Mozilla projects**: Neqo is used within Mozilla's ecosystem, including Firefox, demonstrating its practical application in real-world web infrastructure.
- **Active development**: Neqo has seen multiple releases in 2024 and 2025, indicating ongoing maintenance and improvement.

## Body
### Overview
Neqo is a Rust implementation of the QUIC transport protocol, developed by Mozilla. It is designed to provide a high-performance, secure, and reliable transport layer for web communications. The project is open-source and dual-licensed under the Apache 2.0 and MIT licenses, making it accessible to a wide range of users.

### Development and Releases
Neqo has undergone several releases since its initial development. The latest stable version is 0.13.1, released on April 8, 2025. Previous versions include 0.12.2, 0.11.0, and 0.10.0, each introducing updates and improvements to the protocol implementation.

### Technical Details
- **Programming Language**: Rust
- **Licenses**: Apache 2.0, MIT
- **Copyright Status**: Copyrighted
- **Instance of**: Software library, free software
- **Implementation of**: QUIC transport protocol

### Repository and Documentation
- **Source Code Repository**: [GitHub](https://github.com/mozilla/neqo)
- **Website**: [Mozilla Firefox Source Docs](https://firefox-source-docs.mozilla.org/networking/http/http3.html)

### Significance
Neqo's role in the web ecosystem is significant due to its contribution to the QUIC protocol, which is essential for modern web performance and security. Its open-source nature and Rust-based implementation make it a valuable tool for developers and researchers. The project's integration into Mozilla's broader initiatives underscores its importance in shaping the future of web technologies.

## References

1. [Source](https://github.com/mozilla/neqo/blob/main/LICENSE-APACHE)
2. [Source](https://github.com/mozilla/neqo/blob/main/LICENSE-MIT)
3. [Release 0.9.0. 2024](https://github.com/mozilla/neqo/releases/tag/v0.9.0)
4. [Release 0.9.1. 2024](https://github.com/mozilla/neqo/releases/tag/v0.9.1)
5. [Release 0.9.2. 2024](https://github.com/mozilla/neqo/releases/tag/v0.9.2)
6. [Release 0.10.0. 2024](https://github.com/mozilla/neqo/releases/tag/v0.10.0)
7. [Release 0.11.0. 2024](https://github.com/mozilla/neqo/releases/tag/v0.11.0)
8. [Release 0.12.0. 2025](https://github.com/mozilla/neqo/releases/tag/v0.12.0)
9. [Release 0.12.1. 2025](https://github.com/mozilla/neqo/releases/tag/v0.12.1)
10. [Release 0.12.2. 2025](https://github.com/mozilla/neqo/releases/tag/v0.12.2)
11. [Release 0.13.0. 2025](https://github.com/mozilla/neqo/releases/tag/v0.13.0)
12. [Release 0.13.1. 2025](https://github.com/mozilla/neqo/releases/tag/v0.13.1)
13. [Release 0.13.2. 2025](https://github.com/mozilla/neqo/releases/tag/v0.13.2)
14. [Release 0.13.3. 2025](https://github.com/mozilla/neqo/releases/tag/v0.13.3)
15. [Release 0.13.4. 2025](https://github.com/mozilla/neqo/releases/tag/v0.13.4)
16. [Release 0.14.0. 2025](https://github.com/mozilla/neqo/releases/tag/v0.14.0)
17. [Release 0.14.1. 2025](https://github.com/mozilla/neqo/releases/tag/v0.14.1)
18. [Release 0.15.0. 2025](https://github.com/mozilla/neqo/releases/tag/v0.15.0)
19. [Release 0.16.0. 2025](https://github.com/mozilla/neqo/releases/tag/v0.16.0)
20. [Release 0.16.1. 2025](https://github.com/mozilla/neqo/releases/tag/v0.16.1)
21. [Release 0.17.0. 2025](https://github.com/mozilla/neqo/releases/tag/v0.17.0)
22. [Release 0.18.0. 2025](https://github.com/mozilla/neqo/releases/tag/v0.18.0)
23. [Release 0.19.0. 2025](https://github.com/mozilla/neqo/releases/tag/v0.19.0)
24. [Release 0.20.0. 2025](https://github.com/mozilla/neqo/releases/tag/v0.20.0)
25. [Release 0.21.0. 2025](https://github.com/mozilla/neqo/releases/tag/v0.21.0)
26. [Release 0.22.0. 2026](https://github.com/mozilla/neqo/releases/tag/v0.22.0)
27. [Release 0.22.1. 2026](https://github.com/mozilla/neqo/releases/tag/v0.22.1)
28. [Release 0.23.0. 2026](https://github.com/mozilla/neqo/releases/tag/v0.23.0)
29. [Release 0.23.1. 2026](https://github.com/mozilla/neqo/releases/tag/v0.23.1)
30. [Release 0.24.0. 2026](https://github.com/mozilla/neqo/releases/tag/v0.24.0)
31. [Release 0.24.1. 2026](https://github.com/mozilla/neqo/releases/tag/v0.24.1)
32. [Release 0.25.0. 2026](https://github.com/mozilla/neqo/releases/tag/v0.25.0)
33. [Source](https://api.github.com/repos/mozilla/neqo)