Browser-based 3D design tool for interactive web scenes, with no 3D background required.
Why we recommend it
Spline made 3D on the web approachable for interface designers — you can build and embed an interactive scene without touching Blender or Three.js.
Strengths
- Genuinely approachable 3D for non-specialists
- Interactive scenes embed directly in sites
- Real-time collaboration
Keep in mind
- Heavy scenes hurt page performance
- Less powerful than Blender for complex modelling
How much does Spline cost?
Free – $24/user/mo — Free tier, with paid plans.
List price, excluding tax. Compare prices across the directory.
Spline alternatives and related tools
Adobe XD
For designers already inside Adobe Creative Cloud, XD integrates seamlessly with Photoshop and Illustrator for asset-heavy workflows.
PaidAxure RP
Long-established prototyping tool for complex, conditional and data-driven prototypes.
PaidBalsamiq
Deliberately low-fidelity wireframing tool with a sketch aesthetic.
Paid