Terrastruct : Terrastruct is a tool to create diagrams that excel at visually explaining complex systems, such as your organization's engineering architecture.
Liquibase : Liquibase is an open source database-independent library for tracking, managing and applying database schema changes
migra : migra is a schema comparison tool for PostgreSQL.
It's a command line tool, and Python library. Find differences in database schemas as easily as runn...
Azimutt : Azimutt is an Entity Relationship Diagram (ERD) targeting real world database schema (big & messy).
PlantUML : PlantUML is an open-source tool allowing users to create UML diagrams from a plain text language
Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.