Side by side
PlantUML vs ProcessOn
Both stand on diagram software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIExtensionLinux+4
PlantUML offers a text-based route to many diagram types, with browser editing, integrations, and local hosting options. It is a drawing generator rather than a modeling tool, so it does not enforce consistency between diagrams.
Visit PlantUML
Free plan AndroidiPhoneWeb
ProcessOn brings diagram creation, cloud saving, collaboration, and AI tools together in a web-based service. Check the free plan's file, collaborator, and download-format limits against your needs.
Visit ProcessOnThe facts
| PlantUML | ProcessOn | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Extension, Linux, Mac, Self-hosted, Web, Windows | Android, iPhone, Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 4 |
| Maker | PlantUML | Not published |
| Website | plantuml.com | processon.io |
| On diagram software | #17 of 36 | #21 of 36 |
PlantUML: what it does well
- Supports a broad range of UML and non-UML diagrams
- Browser editor updates diagrams as code changes
- Offers PNG, SVG, LaTeX, EPS, and other exports
- Can run as a local server
What to know first
- Local installation requires Java
- Graphviz is needed for some diagrams
- Does not prevent inconsistent diagrams
- Diagram dimensions default to a 4096-pixel limit
ProcessOn: what it does well
- Supports many diagram types, including BPMN and UML.
- Online collaboration and link sharing are available.
- Files save in real time to cloud storage.
- Imports and exports a range of formats.
- Free plan includes 9 personal files.
What to know first
- Free plan allows up to 3 collaborators.
- Free plan offers only partial download formats.
- No desktop app is listed.
- Paid edition prices are not shown.
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