求索阁

1. RCF: 纯c++的RPC, 不引入IDL, 大量用到boost，比较强大.

2. casocklib:  protobuf + asio 较完善实现

3. eventrpc: protobuf + libevent 较完善实现

https://www.exit1.org/Event-RPC/

4. evproto: protobuf + libevent 简单实现

https://github.com/chenshuo/evproto

https://github.com/chenshuo/evproto2

5. febird：同样无IDL的c++ RPC，自己实现了串行化和网络IO.

6. libHttp, xmlrpc 都是xml封装的RPC

7.rest_rpc

https://github.com/topcpporg/rest_rpc

8.muduo_rpc

https://github.com/chenshuo/muduo-protorpc

https://github.com/chenshuo/muduo/tree/master/examples/protobuf

9.other

https://github.com/IronsDu/gayrpc

https://github.com/guangqianpeng/jrpc

https://github.com/hjk41/tinyrpc

https://github.com/button-chen/buttonrpc_cpp14

https://github.com/persistentsnail/easy_pb_rpc 一个基于protocol buffer的RPC实现

http://www.cnblogs.com/persistentsnail/p/3458342.html 一个基于protocol buffer的RPC实现