"I'm happy to announce the availability of Outbrain's Orchestrator: MySQL replication management & visualization tool.
Orchestrator reads your replication topologies (give it one server - be it master or slave - in each topology, and it will reveal the rest). It keeps a state of this topology. It can continuously poll your servers to get an up to date topology map. It visualizes the topology in a clear and slick D3 tree. It allows you to modify your topology; move slaves around. You can use the command line variation, the JSON API, or you can use the web interface."