# Fluent Bit for developers

- [C library API](/manual/4.1/fluent-bit-for-developers/library_api.md)
- [Ingest records manually](/manual/4.1/fluent-bit-for-developers/ingest-records-manually.md)
- [Golang output plugins](/manual/4.1/fluent-bit-for-developers/golang-output-plugins.md)
- [MessagePack format](/manual/4.1/fluent-bit-for-developers/msgpack-format.md)
- [Wasm filter plugins](/manual/4.1/fluent-bit-for-developers/wasm-filter-plugins.md)
- [Wasm input plugins](/manual/4.1/fluent-bit-for-developers/wasm-input-plugins.md)
- [Contribution guide for beginners](/manual/4.1/fluent-bit-for-developers/developer-guide.md)