Design Tools · Updated 2026
Quick Verdict
Choose Penpot if you are a cross-functional team that values open-source, web-based collaboration and design-to-code workflows. Choose Lunacy if you are a Windows-based UI/UX designer needing a powerful, free desktop tool with perfect Sketch file compatibility.
Penpot and Lunacy are both compelling free design tools, but they differ fundamentally in architecture and audience. Penpot is a web-based, open-source platform built for real-time collaboration between designers and developers, featuring design-to-code tools like CSS and SVG export. Lunacy is a native desktop application for Windows, focused on providing a professional-grade, offline design experience with full support for Sketch (.sketch) files. While Penpot targets cross-domain teams, Lunacy primarily serves individual designers or teams operating in a Windows environment.
Side-by-Side Comparison
| Aspect | Penpot | Lunacy |
|---|---|---|
| Pricing | Free (open-source) | Free (proprietary freeware) |
| Ease of Use | Web-based with a collaborative interface similar to Figma. | Native desktop app with a familiar, professional UI akin to Sketch. |
| Scalability | High for teams; supports self-hosting for enterprise control. | Scalable for individual power users; team features are more limited. |
| Integrations | Growing ecosystem; strong potential for custom integrations via API and open source. | Focuses on core design functionality; integrations are less emphasized than native file support. |
| Open Source | Yes | No |
| Best For | Cross-functional, collaborative teams and open-source advocates. | Windows-based designers needing Sketch compatibility and offline work. |
Choose Penpot if...
Penpot is the superior choice for teams that prioritize open-source software and require seamless, Figma-like, real-time collaboration in the browser. It is also ideal for organizations wanting to self-host their design platform or deeply integrate design tokens and developer handoff into their workflow.
Choose Lunacy if...
Lunacy is the better choice for Windows-based UI/UX designers who need a robust, offline-capable desktop application that works flawlessly with the industry-standard Sketch file format. It's perfect for freelancers, agencies, or teams that primarily operate on Windows and want a free alternative to Sketch or Figma Desktop without subscription costs.
Product Details
Penpot
The open-source design and prototyping platform for cross-domain teams.
Pricing
Free
Best For
Cross-functional product teams, especially those with designers and developers who prioritize open-source software and seamless collaboration.
Key Features
Pros
- + Completely free and open-source with no user or file limits
- + No vendor lock-in thanks to SVG-based native files
- + Excellent developer handoff features with code generation
Cons
- - Smaller plugin/library ecosystem compared to established competitors
- - Some advanced prototyping features are still in development
- - Performance can lag with extremely complex documents
Lunacy
A free, native desktop design software for UI/UX and vector graphics that works with Sketch files.
Pricing
Free
Best For
Windows-based UI/UX designers and teams seeking a free, professional tool with full Sketch file compatibility.
Key Features
Pros
- + Completely free for core features and personal use
- + Exceptional performance as a native Windows application
- + Full, reliable compatibility with Sketch files reduces workflow friction
Cons
- - Primarily designed for Windows, with limited macOS/Linux support
- - Smaller community and plugin ecosystem compared to industry leaders
- - Some advanced collaboration features are locked behind paid team plans