Modelio is recommended for software developers, architects, and business analysts who require a comprehensive modeling tool to facilitate their design and analysis tasks. It is particularly well-suited for teams that rely on UML and BPMN for their projects and prefer an open-source solution to customize and extend as needed.
UML Designer - UML Designer provides a set of common diagrams to work with UML 2.5 models.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
Diagramo - Diagramo is an online flowchart software - diagrams (create, edit and share)
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.
ARIS Express - ARIS Express is based on the proven ARIS methodology and industry standards.
DataGrip - Tool for SQL and databases