Skip to content

Third-party notices

SimuSign is proprietary software. It includes and is built with the open-source software and reference datasets below — with thanks to their authors and communities. Each component is governed by its own license.

Software

three.js

MIT — © 2010–2025 Three.js Authors

@pixiv/three-vrm

MIT — © pixiv Inc.

@dimforge/rapier3d-compat

Apache-2.0 — © Dimforge EURL

Next.js

MIT — © Vercel, Inc.

React

MIT — © Meta Platforms, Inc.

Chakra UI

MIT — © Segun Adebayo

Emotion

MIT — © Emotion team

Framer Motion

MIT — © Framer B.V.

caniuse-lite

CC BY 4.0 — © Alexis Deveria (caniuse.com)

Nunito (typeface)

SIL Open Font License 1.1 — © The Nunito Project Authors

Fraunces (typeface)

SIL Open Font License 1.1 — © The Fraunces Project Authors

MIT- and Apache-licensed components retain their license and copyright notices in the shipped application bundle. The full SIL Open Font License text is available at openfontlicense.org.

Reference datasets & research tools

PopSign ASL v2.1

CC BY 4.0

Georgia Institute of Technology & Deaf Professional Arts Network (signdata.cc.gatech.edu). Used as machine-gating reference during sign development; no dataset content is included in this product.

MS-ASL (annotations)

C-UDA 0.1 — Microsoft

Computational-use reference during sign development; no dataset content is included in this product.

ASL Citizen baseline recognizer (code)

MIT — Microsoft

Used server-side as an automated evaluation aid.

The 3D avatar model is built in-house from CC0 (public-domain) MakeHuman community assets. Sign-language content — phonological sign data, translations, and grammar — is authored by SimuSign and its reviewers.