Eraser
7.5#2 in ai diagram generatorsFrom $15 a monthFree planWebAPIExtensionSelf-hosted
VisitEraser vs OnUML
What both publish
| Fact | Eraser | OnUML |
|---|---|---|
| Integrations | Official integrations include GitHub, Notion, Confluence and a VS Code extension. | Its remote MCP server connects to coding agents including Codex, Claude Code, Cursor, and OpenClaw. |
| Product | Eraser creates AI-powered diagrams for technical teams. | OnUML is an AI diagram generator and online UML editor for Mermaid, PlantUML, Draw.io, and mind maps. |
Eraser plans
- FreeFree
- Starter$15 a month
- Business$45 a month
- Enterprise—
- EnterprisePriced on request
OnUML plans
- FreeFree
- Starter$4.90, paid once
- Pro$8 a month
- Popular$9.90, paid once
- Pro Pack$19.90, paid once
Pick Eraser if…
Eraser is aimed at technical teams, including enterprise architects, DevOps teams, technology consultants and software engineers. It may suit teams that want collaborative diagrams grounded in their own building blocks.
Pick OnUML if…
OnUML suits people who want to create or edit supported diagrams in a browser, including through code or AI prompts. Its MCP server may also suit users of the listed coding agents who want diagram access within workspace permissions.