LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Flyway - Flyway is a database migration tool.
whatdevsneed - This is whatdevsneed.
Evolve (database migration) - Database migration tool for .NET and .NET Core. Inspired by Flyway.
SmallDevTools - Handy developer tools with a delightful interface
Liquibase - Database schema change management and release automation solution.