DBeaver - DBeaver - Universal Database Manager and SQL Client.
Limnu - Sketch, share and collaborate with your team
DataGrip - Tool for SQL and databases
Sketchboard.io - Visual Remote Teamwork. Solve problems and create ideas on endless whiteboard with your teammates by sketching.
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.
MultiDraw - Draw with others in real time.