wp-dbmanager

Allows you to optimize database, repair database, backup database, restore database, delete backup database, drop/empty tables and run selected queries. Supports automatic scheduling of backing up, optimizing and repairing of database. Maintained by lesterchan on GitHub, where it has earned 74 stars from the community.

It's actively developed around backup-database, lesterchan, mysql, and is a solid reference for anyone building with these tools.