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Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients.

• Web Site
• Downloads
• Documentation
• @netty_project
• Official Discord server
• Modular Netty guide

For the detailed information about building and developing Netty, please visitthe developer guide. This page only gives very basic information.

You require the following to build Netty:

• Latest stableOpenJDK 8
• Latest stableApache Maven
• If you are on Linux or MacOS, you needadditional development packages installed on your system, because you'll build the native transport.

Note that this is build-time requirement. JDK 5 (for 3.x) or 6 (for 4.0+ / 4.1+) is enough to run your Netty-based application.

Development of all versions takes place in each branch whose name is identical to<majorVersion>.<minorVersion>. For example, the development of 3.9 and 4.1 resides inthe branch '3.9' andthe branch '4.1' respectively.

You can read theModular Netty guide to learn more about using Netty with the Java Platform Module System, the guidecontains a user section and a developer section for Netty contributors.