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Penpot vs Spline

Penpot is open-source, browser-based design and prototyping platform. Self-hostable, while Spline is 3D design tool for the web with real-time collaboration and easy export to web formats. Penpot is open source and can be self-hosted, giving you full control over your data. Penpot is built for teams that want a free, open-source figma alternative, whereas Spline targets designers who want 3d on the web.

FeaturePenpotSpline
Free tier available
Open source
3D Design
Components
Interactions
Open Source
Prototyping
Real-Time Collab
SVG Native
Self-Hosted
Web Export

Pricing: Both Penpot and Spline are free. You can try both without spending a dollar.

Feature gaps: Penpot offers Components, Open Source and Prototyping that Spline lacks. Spline brings 3D Design, Interactions and Real-Time Collab that Penpot does not have.

Team fit: Both tools target small teams teams, so the decision hinges on features and workflow fit rather than scale.

Open source: Penpot is open source, meaning you can self-host, audit the code, and avoid vendor lock-in. Spline is proprietary — you are trusting the vendor with your data and uptime.

Where each tool shines: Penpot's biggest strengths are: 100% free and open source. self-hostable for data sovereignty. Spline's biggest strengths are: browser-based 3d design — no heavy software install required. one-click export to web formats (html, react, iframes) for production use.

Watch out for: With Penpot, users commonly note that less mature than figma — fewer features. With Spline, the main complaint is that free plan exists but key features are locked behind the paid upgrade.

choose Penpot if

  • Your profile matches its sweet spot: teams that want a free, open-source figma alternative
  • You need self-hosting, data sovereignty, or the ability to audit source code
  • You specifically need Components and Open Source
  • You care about self-hostable for data sovereignty

choose Spline if

  • You need a tool built for designers who want 3d on the web
  • You specifically need 3D Design and Interactions
  • You care about one-click export to web formats (html, react, iframes) for production use
  • The free tier works for you: free for 2 projects

frequently asked

What is the difference between Penpot and Spline?

Penpot is open-source, browser-based design and prototyping platform. Self-hostable, while Spline is 3D design tool for the web with real-time collaboration and easy export to web formats. Penpot is open source and can be self-hosted, giving you full control over your data. Penpot is built for teams that want a free, open-source figma alternative, whereas Spline targets designers who want 3d on the web.

Should I use Penpot or Spline?

Penpot gives you open source and self-hosting; Spline is a managed service. Which trade-off works for you?

When should I choose Penpot over Spline?

Choose Penpot if Your profile matches its sweet spot: teams that want a free, open-source figma alternative; You need self-hosting, data sovereignty, or the ability to audit source code; You specifically need Components and Open Source; You care about self-hostable for data sovereignty.

When should I choose Spline over Penpot?

Choose Spline if You need a tool built for designers who want 3d on the web; You specifically need 3D Design and Interactions; You care about one-click export to web formats (html, react, iframes) for production use; The free tier works for you: free for 2 projects.

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