pgcli - Postgres CLI with autocompletion and syntax highlighting
DBeaver - DBeaver - Universal Database Manager and SQL Client.
Redis - Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.
DataGrip - Tool for SQL and databases
Zabbix - Track, record, alert and visualize performance and availability of IT resources
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.