# BitPacker (Serialization)

- [Networking custom classes, structs & types](/docs/systems-and-modules/bitpacker-serialization/networking-custom-classes-structs-and-types.md)
- [Async Serialization (packing)](/docs/systems-and-modules/bitpacker-serialization/async-serialization-packing.md)
- [Delta Packers](/docs/systems-and-modules/bitpacker-serialization/delta-packers.md): Per-value delta serialization (auto + custom)