Best kUML Alternatives in 2026
Updated
20 platforms from UML modeling software ranked against kUML on the same published basis.
- 1kUML vs BESSER
- 2kUML vs Horusec
- 3kUML vs Astah Professional
- 4kUML vs Visual Paradigm
- 5kUML vs ArgoUML
- 6kUML vs BridgePoint
- 7kUML vs BOUML
- 8kUML vs Gaphor
- 9kUML vs Violet UML Editor
- 10kUML vs Sparx Enterprise Architect
- 11kUML vs Umple
- 12kUML vs Altova UModel
- 13kUML vs PragmaDev Studio
- 14kUML vs UML Lab
- 15kUML vs AgileUML
- 17kUML vs UMLet
- 18kUML vs JetUML
- 19kUML vs Rodin Platform
- 20kUML vs StarUML
- 21kUML vs UMLGen
kUML alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | BESSER | 7.3 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | Horusec | 7.2 | Free plan | Free | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 3 | Astah Professional | 6.7 | No | — | API, Linux, Mac, Windows |
| 4 | Visual Paradigm | 6.0 | Free plan | $4/mo | Web |
| 5 | ArgoUML | 5.9 | Free plan | Free | Linux, Mac, Windows |
| 6 | BridgePoint | 5.9 | Free plan | Free | Linux, Mac, Windows |
| 7 | BOUML | 5.8 | Free plan | Free | Linux, Mac, Windows |
| 8 | Gaphor | 5.8 | Free plan | Free | Linux, Mac, Windows |
| 9 | Violet UML Editor | 5.8 | Free plan | Free | Linux, Mac, Web, Windows |
| 10 | Sparx Enterprise Architect | 5.6 | No | — | — |
| 11 | Umple | 5.5 | No | — | Linux, Mac, self-hosted, Web, Windows |
| 12 | Altova UModel | 5.3 | No | — | Windows |
| 13 | PragmaDev Studio | 5.3 | No | — | Linux, Mac, Windows |
| 14 | UML Lab | 5.3 | No | — | — |
| 15 | AgileUML | 5.1 | No | — | — |
| 17 | UMLet | 5.1 | No | — | Web, Windows, Mac, Linux |
| 18 | JetUML | 5.0 | No | — | Windows, Mac, Linux |
| 19 | Rodin Platform | 5.0 | No | — | Linux, Mac, Windows |
| 20 | StarUML | 5.0 | No | $129/mo | Windows, Mac, Linux |
| 21 | UMLGen | 5.0 | No | — | Web |
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Questions about kUML alternatives
What is the best alternative to kUML?
BESSER, number 1 in UML modeling software with a score of 7.3 out of 10. The others here: Horusec, Astah Professional, Visual Paradigm and 16 more.
What is the best free alternative to kUML?
BESSER is the best-ranked alternative with a free plan. 8 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.