Best StarUML Alternatives in 2026
Updated
20 apps from diagramming software ranked against StarUML on the same published basis.
- 1StarUML vs draw.io
- 2StarUML vs Lucidchart
- 3StarUML vs EdrawMax
- 4StarUML vs Visual Paradigm
- 5StarUML vs Creately
- 6StarUML vs Microsoft Visio
- 7StarUML vs Cacoo
- 8StarUML vs Eraser
- 9StarUML vs Gliffy
- 10StarUML vs Bizagi Modeler
- 11StarUML vs Arcentry
- 12StarUML vs Gluu
- 13StarUML vs SmartDraw
- 14StarUML vs OmniGraffle
- 15StarUML vs Flowdia Diagrams
- 16StarUML vs Diagramming Tool
- 17StarUML vs IcePanel
- 18StarUML vs Camunda
- 19StarUML vs Ilograph
- 20StarUML vs Software Ideas Modeler
StarUML alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | draw.io | 9.6 | Free plan | Free | Web, Windows, Mac, Linux, iOS, Android |
| 2 | Lucidchart | 9.6 | Free plan | Free | Web, iOS, Android |
| 3 | EdrawMax | 9.1 | Free plan | $5.90/mo | Android, iOS, Linux, Mac, Web, Windows |
| 4 | Visual Paradigm | 8.1 | Free plan | $4/mo | Web |
| 5 | Creately | 7.9 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 6 | Microsoft Visio | 7.9 | No | $5/mo | Mac, Web, Windows |
| 7 | Cacoo | 7.9 | Free plan | $6/mo | API, self-hosted, Web |
| 8 | Eraser | 7.8 | Free plan | $15/mo | API, Browser, self-hosted, Web |
| 9 | Gliffy | 7.7 | Free plan | $2.80/mo | Web |
| 10 | Bizagi Modeler | 7.4 | Free plan | Free | Web, Windows |
| 11 | Arcentry | 7.1 | Free plan | $9.90/mo | API, self-hosted, Web |
| 12 | Gluu | 7.0 | No | €2/mo | Web, iOS, Android |
| 13 | SmartDraw | 6.9 | No | — | Web, Windows, Mac, Linux |
| 14 | OmniGraffle | 6.9 | No | — | Mac, iOS |
| 15 | Flowdia Diagrams | 6.9 | No | — | Windows, iOS, Android |
| 16 | Diagramming Tool | 6.8 | Free plan | Free | Web |
| 17 | IcePanel | 6.8 | Free plan | $40/mo | Web |
| 18 | Camunda | 6.8 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 19 | Ilograph | 6.8 | Free plan | — | API, Linux, Mac, self-hosted, Web, Windows |
| 20 | Software Ideas Modeler | 6.7 | Free plan | Free | Linux, Mac, Windows |
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Questions about StarUML alternatives
What is the best alternative to StarUML?
draw.io, number 1 in diagramming software with a score of 9.6 out of 10. The others here: Lucidchart, EdrawMax, Visual Paradigm and 16 more.
What is the best free alternative to StarUML?
draw.io is the best-ranked alternative with a free plan. 15 of the 20 alternatives here publish a free plan on their own pricing pages.
Is there an open-source alternative to StarUML?
Yes: draw.io.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.