Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
DBeaver - DBeaver - Universal Database Manager and SQL Client.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
DataGrip - Tool for SQL and databases
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.