What is Spline used for?

Spline is a browser-based 3D design tool with real-time collaboration for building interactive web scenes, with an AI agent. It is a good fit for interactive 3D elements on websites, 3D logos and icons for brands, and product mockups and animated characters.

Yes. Spline has a free plan, and paid plans start at $15 per seat per month.

Is Spline open source?

No. Spline is proprietary (closed-source) software and can't be self-hosted. Open-source alternatives to Spline include Blender and Three Editor.

What are some alternatives to Spline?

Spline competes with Cinema 4D, Autodesk Maya and Framer. For open-source options, see Enlisted's ranked list of open-source Spline alternatives.

Spline: features, pricing and alternatives

About Spline

Spline is a web-based 3D design platform for creating interactive experiences that run in the browser. Designers can model, animate, add textures and build interactions in a shared workspace with real-time collaboration, without needing heavy desktop 3D software.

The vendor describes an agentic 3D design workflow in which an AI agent can help build scenes, alongside direct manual control. Typical outputs include interactive websites, product designs, brand and marketing visuals, gamified experiences, 3D mockups, logos, icons, animated characters and industrial or manufacturing visualizations. The community area lets users remix designs published by others.

Spline is proprietary software delivered as a cloud service. The site describes it as free 3D design software, with a pricing page for paid and enterprise plans, and targets designers and teams who ship interactive 2D and 3D experiences.

Key features

Browser-based 3D modeling and animation
Real-time collaboration
Interactive 3D scenes for the web
AI agent for 3D design
Textures and materials
Community designs to remix

Good fit for

→Interactive 3D elements on websites
→3D logos and icons for brands
→Product mockups and animated characters

Tags: 3d-design; browser-based; interactive; animation; collaboration; web-3d; design

Spline: questions and answers

What is Spline used for?: Spline is a browser-based 3D design tool with real-time collaboration for building interactive web scenes, with an AI agent. It is a good fit for interactive 3D elements on websites, 3D logos and icons for brands, and product mockups and animated characters.
Is Spline free?: Yes. Spline has a free plan, and paid plans start at $15 per seat per month.
Is Spline open source?: No. Spline is proprietary (closed-source) software and can't be self-hosted. Open-source alternatives to Spline include Blender and Three Editor.
What are some alternatives to Spline?: Spline competes with Cinema 4D, Autodesk Maya and Framer. For open-source options, see Enlisted's ranked list of open-source Spline alternatives.