Eclipse Papyrus
Eclipse Papyrus: A deep modeling environment for advanced UML and SysML work, not simple diagramming. Ranked #24 of 36 in Diagram Software by our editors (6.8/10); pricing: Free plan; best for advanced open-source UML and SysML modeling.
At a glance
- Editor score6.8 / 10
- PricingFree plan
- Best forAdvanced open-source UML and SysML modeling
- Free planYes
- Paid fromFree
- Real-time collaborationYes
- Founded2008
- Facts checked20 Sep 2026
Where it wins
- Deep UML 2.5 and SysML 1.6 graphical and tabular editors
- Model execution, animation, and simulation through Moka
- Extensive customization for profiles, notations, palettes, and views
Where it doesn't
- Its specialized scope may be excessive for basic diagramming
- Papyrus-Classic is no longer actively maintained
- Export and import coverage is not a stated strength
Our verdict on Eclipse Papyrus
Eclipse Papyrus is an open-source modeling environment for UML and related systems-modeling standards. It is designed for industrial model-based engineering, academic teaching, and research teams that need more than basic diagram creation. The product supports UML 2.5 graphical diagram editors and SysML 1.6 graphical and tabular editors, with diagram types including class, component, deployment, activity, state machine, sequence, block definition, requirement, and parametric diagrams. Papyrus-Desktop runs on Windows, Linux, and macOS, while Papyrus-Web provides browser-based modeling and real-time simultaneous collaboration.
Its strongest distinction is modeling depth. Through Moka, teams can execute, animate, and simulate models. Custom UML profiles and domain-specific modeling languages support specialized methods, while custom graphical, textual, and tabular notations extend how models are represented. Custom palettes, properties views, and model explorers add further control over the modeling experience. Sirius-Desktop supplies a diagram layer, and EEF supplies property views, giving Papyrus a close fit with the Eclipse tools and plugins ecosystem.
The open-source pricing model makes Papyrus available without a paid tier, which suits organizations and educators seeking an extensible modeling environment rather than a packaged commercial diagramming service. Papyrus-Web adds collaboration in the browser, while the desktop edition supports local work across the listed operating systems. The trade-off is focus: Papyrus is specialized for structured UML and systems modeling, so teams wanting quick, lightweight visual diagrams may find its breadth unnecessary. Papyrus-Desktop is the current desktop edition; Papyrus-Classic is no longer actively maintained. Choose Papyrus for advanced, customizable UML or SysML work, and consider a simpler diagramming product for casual visual documentation.
Your product? Our editors can test Eclipse Papyrus in depth and publish a review, labelled as paid · from $149/mo →
Eclipse Papyrus pricing
Eclipse Papyrus fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Diagram types | Class, Object, Package, Composite Structure, Component, Deployment, Profile, Use Case, Activity, State Machine, Communication, Sequence, Timing, Interaction Overview, Block Definition, Internal Block, Requirement, Parametric |
| Real-time collaboration | Yes |
| Export formats | Not verified |
| Import formats | Not verified |
| Desktop app | Yes |
| Version history | Not verified |
| Maximum editors | Not verified |
| Deployment | Cloud, Desktop |
| Platforms | Web, Windows, macOS, Linux |
| Support | Community, Docs |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Integrations | 4 integrations: Eclipse tools and plugins, Sirius-Desktop, EEF, Moka |
| Pricing | Free plan |
| Website | eclipse.dev |
| Facts checked | 20 Sep 2026 |
Eclipse Papyrus integrations
Eclipse Papyrus lists 4 integrations on its own site.
- Eclipse tools and plugins
- Sirius-Desktop
- EEF
- Moka
Alternatives to Eclipse Papyrus
- draw.ioA broad, flexible diagramming editor for teams that want free cross-platform coverage.9.4
- Visual ParadigmA broad modeling suite with collaboration, engineering tools, and a free plan.9.2
- LucidchartA broad, collaborative diagramming workspace with a free tier and web-only access.9.0
See all Eclipse Papyrus alternatives →
Also Ranked In
Eclipse Papyrus is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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