The most widely used 3D JS library: mature rendering, huge community, easier hiring.
Designed for browsers and cloud; easy to embed in modern stacks.
Full freedom to use, modify, and ship commercial products.
Fast at scale, editable by design, schema-agnostic and future-proof.
Fragments-ready pipelines
Binary, lightweight, deduplicated data for streaming at scale.
Chunked/progressive loading
Render useful views immediately; fetch the rest on demand.
GPU-efficient rendering
Instancing/batching for repeated elements and huge scenes.
Smart culling & indexing
Responsive selection, isolation, and filtering on big models.
Versioned, predictable APIs
Clear behaviors that won’t break between releases.
Stable IDs & deterministic selections
Consistent references across sessions.
Worker
isolation
Heavy tasks off the main thread keep the UI smooth.
Graceful
degradation
Sensible fallbacks when a capability isn’t available.
no fees (including commercial products).
change code and distribute your apps (paid or free).
you don’t have to open-source your app.
keep the copyright & MIT notice in redistributed code.
host anywhere, integrate with your stack.
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