Penpot vs Spline

Detailed side-by-side comparison

Penpot

Penpot

Free

Penpot is an open-source, browser-based design and prototyping platform built on web standards (SVG) for creating 2D interfaces, websites, and app designs. It emphasizes collaboration, freedom from vendor lock-in, and can be self-hosted for complete control over your design data.

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Spline

Spline

Free

Spline is a browser-based 3D design tool that enables designers to create interactive 3D models, animations, and experiences without traditional 3D software complexity. It's specifically built for adding 3D elements to digital products with seamless web framework integration.

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Feature Comparison

FeaturePenpotSpline
Design Focus2D interface design, UI/UX prototyping, and vector graphics using SVG standards3D modeling, animations, and interactive 3D experiences for web and digital products
CollaborationReal-time collaboration for cross-domain teams working on interface designsReal-time collaborative editing for teams creating 3D content together
Export & IntegrationStandard SVG/CSS export with no proprietary formats, ensuring portability and web compatibilityDirect export to React, vanilla JavaScript, and web frameworks for embedding 3D in projects
Hosting OptionsCan be self-hosted on your own infrastructure for complete data ownership and privacyCloud-based only, hosted by Spline with no self-hosting option available
Learning CurveModerate learning curve, especially for users transitioning from Figma or Sketch to open-source alternativeSteeper learning curve as it involves 3D concepts, though simplified compared to professional 3D tools
Use Case SpecializationBest for UI/UX designers creating wireframes, mockups, design systems, and interactive prototypesBest for designers adding 3D elements, hero sections, product showcases, and interactive 3D to websites

Pricing Comparison

Both tools offer free starting tiers at $0/month, making them accessible for individuals and small teams. Penpot's open-source nature means it's completely free with optional self-hosting, while Spline likely offers premium tiers for advanced features and increased usage limits.

Verdict

Choose Penpot if...

Choose Penpot if you need a 2D UI/UX design and prototyping tool, value open-source software and data ownership, want to avoid vendor lock-in, or need self-hosting capabilities for privacy and control.

Choose Spline if...

Choose Spline if you need to create 3D designs and animations for web projects, want to add interactive 3D elements to websites or apps without learning complex 3D software like Blender or Cinema 4D, or need direct integration with modern web frameworks.

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Design Tools

Pros & Cons

Penpot

Pros

  • + Completely free and open-source with no paywalls
  • + Works directly with web standards (SVG, CSS)
  • + No vendor lock-in with exportable files
  • + Can be self-hosted for complete data control

Cons

  • - Smaller plugin ecosystem compared to established competitors
  • - Fewer third-party integrations than Figma or Sketch
  • - Learning curve for users accustomed to other design tools

Spline

Pros

  • + Intuitive interface designed for designers, not 3D experts
  • + No software installation required, works entirely in browser
  • + Seamless export integration with web frameworks
  • + Active community and frequent updates

Cons

  • - Performance can lag with complex scenes
  • - Limited advanced features compared to professional 3D software
  • - Steeper learning curve than 2D design tools