Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
Clever - syncing between education applications for K-12 schools
DataGrip - Tool for SQL and databases
Claroline - Claroline is a collaborative eLearning and eWorking platform.
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.