PlantUML
Generate UML and other technical diagrams from textual descriptions that can live alongside your project documentation.
- System category
- Software systems
- AI capabilities
- Diagram as code
- Best for
- Detailed sequence and UML diagrams in repeatable documentation pipelines.
- Capabilities
- UML, Sequence, Architecture
- Mode
- Text syntax; external AI optional
- Workflow
- Text-to-diagram rendering
- Aliases
- PlantUML
- License
- Multiple license variants; see repository
- Review notes
- Current project and official repository verified during the open-source directory update.
- Reviewed
- 2026-10-17
- Limitations
- An external AI can draft syntax; the renderer itself is not an AI assistant. Alternative distributions have different licenses.