Alternatives to Spline

Real-time collaborative 3D design tool that runs in the browser. The listings below can replace it for an important use case. Each note says what changes if you switch.

  • Spline

    Real-time collaborative 3D design tool that runs in the browser.

    FreemiumProprietaryWeb

Replacements

Listings that take over the same core job as Spline.

  • Blender

    The free 3D creation suite: modelling, sculpting, rigging, animation, simulation, rendering, compositing and video editing.

    FreeOpen sourceWindowsmacOSLinux

    Blender is a free, open-source desktop suite for Windows, macOS and Linux with rendering and animation, but it lacks Spline's built-in real-time browser collaboration.

  • Cinema 4D

    Motion-graphics-friendly 3D animation and modeling application.

    PaidProprietaryWindowsmacOS

    Cinema 4D is a paid desktop application for Windows and macOS aimed at motion graphics, replacing browser access and live collaboration with Adobe tool integration.

  • Womp

    Browser-based 3D modeler with squishy SDF-style geometry and simple materials.

    FreemiumProprietaryWeb

    Womp also runs in the browser on a freemium plan, but builds organic shapes from SDF-style geometry and does not list real-time collaboration.

  • SketchUp Free

    Browser-based 3D modeler that offers an easy start into 3D design.

    FreemiumProprietaryWeb

    SketchUp Free is another freemium browser modeler aimed at beginners, oriented toward general 3D design rather than collaborative interactive scenes, with desktop apps requiring a paid plan.

  • Vectary

    A browser-based platform for building and sharing interactive 3D and AR designs.

    FreemiumProprietaryWeb

    Vectary is also a freemium browser 3D platform, focused on interactive scenes, AR and embeds shared by link, with team commenting instead of real-time co-editing.

Similar software

Related functionality, not a direct replacement.