Side by side
Pencil Project vs PuMi
Both stand on wireframing software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacWindows
Pencil combines interface-specific stencils, diagram shapes, and a range of export options in a desktop tool. Its links between document pages can carry through to web exports as hyperlinks.
Visit Pencil Project
Free plan Web
PuMi provides a focused way to map app structure and export the plan in several formats. The free plan is limited to one project, and the app requires connectivity and an account to save work.
Visit PuMiThe facts
| Pencil Project | PuMi | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac, Windows | Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 2 |
| Maker | Not published | Not published |
| Website | pencil.evolus.vn | buildwithpumi.ai |
| On wireframing software | #11 of 29 | #15 of 29 |
Pencil Project: what it does well
- Free plan costs nothing.
- Built-in stencils cover four interface types.
- Exports include PNG, SVG, PDF, and web pages.
- Mockup links become hyperlinks in web exports.
- Runs on Linux, macOS, and Windows.
What to know first
- Nightly development builds are warned to be unstable.
- No free trial is listed.
PuMi: what it does well
- Free plan includes one project.
- Maps screens, page blocks, and navigation.
- Optional wireframes preserve layout intent in exports.
- Exports Markdown, .cursorrules, CLAUDE.md, and JSON.
What to know first
- Requires a network connection; no offline use.
- An account is required to create and save projects.
- No in-app ticket queue by default.
Alternatives to Pencil Project Alternatives to PuMi The whole list