1. Cap‘n Proto

protocol buffer的主要作者之一创建的新项目。其主页描述Cap‘n Proto的性能比PB快很多。

http://kentonv.github.io/capnproto/index.html

2. FlatBuffer

FlatBuffers is a serialization library for games and other memory constrained apps.

https://github.com/google/flatbuffers/ 

3. Protocol Buffer

https://code.google.com/p/protobuf/

4. flatbuffer vs protocol buffer 性能对比

http://www.cnblogs.com/menggucaoyuan/p/3807546.html

5. flatbuffer简介

http://www.infoq.com/cn/news/2014/06/flatbuffers