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PlantUML vs Prosemirror
Annual estimate10 people, entry price
Free
Free
Offer
No offer right now
No offer right now
Focus
Developer Tools
Developer Tools
Product
Open source tool for creating UML diagrams from plain text descriptions with support for many diagram types.
Open-source toolkit from Marijn Haverbeke for building rich-text editors with structured schema and collaborative editing.
Headquarters
Remote
Berlin, Germany
Company size
2-10 employees
2-10 employees
Free options
Free plan
Free plan
Source updated
Oct 29, 2026
Nov 2, 2026
Capabilities
Plan capabilities
Integrations
Buyer fit
Best for
Company size
Security and switching
Security reviews
Security and migration
Case studies and sources
Case studies
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