Atlas(Qihoo 360)

https://github.com/Qihoo360/Atlas

美团点评的DBProxy

https://github.com/Meituan-Dianping/DBProxy

alibaba.cobar(是阿里巴巴（B2B）部门开发，已经不维护了)

https://github.com/alibaba/cobar

MyCAT（基于阿里开源的Cobar产品而研发）

http://www.mycat.io/

ProxySQL

https://proxysql.com/

MaxScale

https://github.com/mariadb-corporation/MaxScale

MySQL Proxy

https://github.com/mysql/mysql-proxy

Amoeba

http://amoeba.sourceforge.net/doc/index.htm

https://www.jianshu.com/p/4aec9f682509

Oceanus(58同城数据库中间件)

https://github.com/58code/Oceanus

OneProxy(平民软件创始人楼方鑫开发)

http://www.cnblogs.com/youge-OneSQL/articles/4208583.html

vitess（谷歌开发的数据库中间件）

https://github.com/youtube/vitess

PostgreSQL sharding

https://github.com/go-pg/sharding

百度的heisenberg

https://github.com/brucexx/heisenberg

金山的kingshard

https://github.com/flike/kingshard

当当网sharding-jdbc

https://github.com/dangdangdotcom/sharding-jdbc

蘑菇街TSharding

https://github.com/baihui212/tsharding

阿里巴巴TDDL

https://github.com/alibaba/tb_tddl