FlatBuffers is a cross platform serialization library architected for maximum memory efficiency. It allows you to directly access serialized data without parsing/unpacking it first, while still having great forwards/backwards compatibility.

Go to our landing page to browse our documentation.

• Windows
• macOS
• Linux
• Android
• And any others with a recent C++ compiler (C++ 11 and newer)

Code generation and runtime libraries for many popular languages.

1. C
2. C++ - snapcraft.io
3. C# - nuget.org
4. Dart - pub.dev
5. Go - go.dev
6. Java - Maven
7. JavaScript - NPM
8. Kotlin
9. Lobster
10. Lua
11. PHP
12. Python - PyPi
13. Rust - crates.io
14. Swift - swiftpackageindex
15. TypeScript - NPM
16. Nim

FlatBuffers does not follow traditional Semver versioning (see rationale) but rather uses a format of the date of the release.

• FlatBuffers Issues Tracker to submit an issue.
• stackoverflow.com with flatbuffers tag for any questions regarding FlatBuffers.

To contribute to this project, see CONTRIBUTING.

• FlatBuffers Google Group to discuss FlatBuffers with other developers and users.
• Discord Server
• Gitter

Please see our Security Policy for reporting vulnerabilities.

Flatbuffers is licensed under the Apache License, Version 2.0. See LICENSE for the full license text.