* [sqldef v3.10.1](https://github.com/sqldef/sqldef) – Idempotent schema management for MySQL, PostgreSQL, SQLite3, and SQL Server using SQL.

* [gh-ost v1.1.8](https://github.com/github/gh-ost) – Triggerless online schema migration for MySQL using binlog-driven table copying and synchronization with low master load and interactive control.