Best Open Source Alternatives to Lucidchart

2 open-source tools that can replace Lucidchart. Compare tech stacks, licenses and stars below.

MCPAGPL-3.0

Free browser-based database ERD editor and SQL generator with no account required.

40k·Developer Tools·Open source

Alternative to

MCPMIT

Turn text & real sources into maintainable .drawio architecture models with incremental sync, MCP server, and CI testing

9k·Developer Tools·Open source

Alternative to