1. Pinterest's MySQL management tools

  2. MySQL Performance Analyzer by Yahoo

  3. Modern SQL editor for teams

  4. Simple but powerful IDE for multiple databases.

  5. Non-blocking, Reactive MongoDB Driver for Scala

  6. A schema diff tool for PostgreSQL

  7. Run SQL in your browser and chart the results

  8. A CLI for MySQL with auto-completion and syntax highlighting

  9. PostgreSQL performance monitoring installed within minutes

  10. All-in-One GUI for Redis. Thightly crafted developer oriented, online real-time monitoring and administration service for Redis.

  11. pgAdmin Website

  12. A web-based query execution tool built on top of Facebook's PrestoDB.