InfluxData - Scalable datastore for metrics, events, and real-time analytics.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
TimescaleDB - TimescaleDB is a time-series SQL database providing fast analytics, scalability, with automated data management on a proven storage engine.
DataGrip - Tool for SQL and databases
Prometheus - An open-source systems monitoring and alerting toolkit.
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.