Percona Server 5.7

Percona Server is a branch of MySQL 5.7 bringing higher performance,
reliability and more features.

http://www.percona.com/software/percona-server/

Documentation: http://www.percona.com/doc/percona-server/5.7

Bug Tracker: https://jira.percona.com/projects/PS

Sources: https://github.com/percona/percona-server