Mockplus
8.3#2 in wireframing softwareFrom $2.98 a monthFree planAndroidiOSWebExtension
VisitMockplus vs OpenPencil
OpenPencil
6.7#25 in game ui design softwareFree planFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | Mockplus | OpenPencil |
|---|---|---|
| Integrations | Official integrations include Sketch, Photoshop, Adobe XD, Figma, Axure, Mockplus, Slack, Jira, Confluence and Lark. | The MCP server connects with Claude Code, Cursor, Windsurf, and other MCP clients over stdio or HTTP. |
| Product | Mockplus describes itself as an all-in-one product design platform for rapid prototyping, collaboration, and scalable design systems. | OpenPencil is an open-source, Figma-compatible design editor that also serves as a toolkit for building custom editors. |
| Security | The privacy policy describes encryption in transit, optional private-cloud encryption at rest, pseudonymization and least-privilege controls. | The MCP HTTP server enables authentication by default, binds TCP to 127.0.0.1 by default, and restricts file operations to a configured root while rejecting symlink escapes. |
Mockplus plans
- BasicFree
- Pro$5.95 a month
- Enterprise—
- Mockplus Cloud BasicFree
- Mockplus DT FreeFree
- Mockplus RP FreeFree
OpenPencil plans
- FreeFree
Pick Mockplus if…
Mockplus may suit designers and product managers building prototypes, or teams that need review and developer handoff workflows. Its RP tools are also presented for non-designers exploring early product ideas.
Pick OpenPencil if…
OpenPencil suits people who work with Figma files and want an open-source editor with vector, layout, and export tools. Its Vue SDK is intended for teams embedding a focused canvas or editing workflow in another product.