Last checked October 15, 2026
PlantUML
PlantUML renders sequence, class, and other diagrams from a text file. It is not a sticky-note workshop.
Open sourceGPL-3.0Small teamsIndividuals
MacWindowsLinuxWeb
Free tier
The community edition can be self-hosted without a per-user fee. Hosted prices are not copied here. Unverified.
Hosted
No hosted price recorded.
Self-host
Easy. A Java jar or a server that renders text to SVG.
Drop-in scores
Sources checked
https://ditchly.co/software/plantuml