Open PostgreSQL Monitoring - Oversee and Manage Your PostgreSQL Servers
Racompass - Racompass is a modern designed administration tool for Redis & DragonflyDB. It gives you full control about every single aspect of your Redis management experience. Instead of lots of CLI commands, you can CRUD keys and monitor endpoints.
Errbit - The open source error catcher that's Airbrake API compliant
Redsmin - All-in-One GUI for Redis. Thightly crafted developer oriented, online real-time monitoring and administration service for Redis.
Redis Desktop Manager - Cross-platform redis desktop manager - desktop management GUI for mac os x, windows, debian and ubuntu.
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.