1、Google
https://github.com/grpc/grpc
https://github.com/google/protobuf
http://doc.oschina.net/grpc
2、thrift
http://thrift.apache.org/
http://thrift.apache.org/lib/
http://thrift.apache.org/lib/cpp
https://github.com/apache/thrift
3、Tencent
腾讯微服务框架Tars介绍
https://github.com/TarsCloud/Tars
https://github.com/TarsCloud/TarsCpp
https://github.com/TarsCloud/TarsGo
https://github.com/loveyacper/ananas
https://github.com/Tencent/phxrpc，前身是Svrkit
4、Baidu
https://github.com/brpc/brpc
5、golang
http://rpcx.site/ -- 最好的Go语言的RPC服务治理框架，快、易用却功能强大，性能远远高于 Dubbo、Motan、Thrift等框架，是gRPC性能的两倍
https://github.com/smallnest/rpcx
