gitSQL - Database source control for SQL Server, PostgreSQL
Open DBDiff - A database comparison tool for Microsoft SQL Server 2005+ that reports schema differences and...
yuniql - Free and open source schema versioning and migration tool made with .NET Core. Plain SQL, arrange versions in ordinary folders and seed your data from CSV via stand-alone CLI (no CLR needed), Azure Pipelines, Docker or ASP.NET Core code.
Redgate SQL Data Compare - Use Redgate SQL Data Compare to compare and synchronize static, lookup, and reference data in your SQL Server database - try it free
Flyway - Flyway is a database migration tool.
a7 SqlTools - Tools for MS Sql management with search, explore and comparison functionality.