Redsmin - All-in-One GUI for Redis. Thightly crafted developer oriented, online real-time monitoring and administration service for Redis.
Errbit - The open source error catcher that's Airbrake API compliant
usql - Universal command-line interface for SQL databases
SQLAlchemy - SQLAlchemy is the Python SQL toolkit and Object Relational Mapper that gives application developers the full power and flexibility of SQL.
SqlPad - Run SQL in your browser and chart the results
mycli - A CLI for MySQL with auto-completion and syntax highlighting