Terrastruct : Terrastruct is a tool to create diagrams that excel at visually explaining complex systems, such as your organization's engineering architecture.
Azimutt : Azimutt is an Entity Relationship Diagram (ERD) targeting real world database schema (big & messy).
Kroki : Convert plain text diagrams to images !
Kroki provides a unified API with support for BlockDiag (BlockDiag, SeqDiag, ActDiag, NwDiag), C4 (with PlantU...
Diagrams : Diagrams lets you draw the cloud system architecture in Python code.
It was born for prototyping a new system architecture without any design tools. Y...
Flyway : You can think of Flyway as version control for your database. It lets you evolve your database schema easily and reliably across all your instances. F...
Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.