• https://github.com/msgpack/msgpack-c
• https://capnproto.org

FlatBuffers

• http://google.github.io/flatbuffers/
• 在Android中使用FlatBuffers

Protobuf

inheritance/polymorphism

google.protobuf.Any:

• https://developers.google.com/protocol-buffers/docs/proto3#any

• Best practice for effecting inheritance/polymorphism in proto3

• Protobuf is really missing inheritance #5645