QuintaDB - Solution for creating web forms and databases online where no progamming is required.
Liquibase - Database schema change management and release automation solution.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Flyway - Flyway is a database migration tool.
Sesame Database Manager - Lantica Software, LLC - Sesame, A Q&A-compatible Database Manager.
Sqitch - Sqitch is a standalone database change management application without opinions about your database engine, development environment, or application framework.