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Social Good

Sign Language Trainer

Teaches basic signs with live webcam feedback.

Advanced48h2–4 people16/20 fit
TL;DR

Build Sign Language Trainer for families of deaf people and learners in ~48h with 2–4 people. Stack: React + MediaPipe + TensorFlow.js.

Why it wins: Inclusive, technical, and live on camera.

Build flow

01 · Problem
Learning sign language without a teacher gives no feedback on accuracy.
02 · Solution
Hand-landmark tracking compares your sign to a reference and gives live feedback.
03 · Build
  1. 1Hand landmarks in browser
  2. 2Record reference signs
  3. 3Similarity classifier
  4. 4Lesson UI
04 · Demo
Show a sign → green tick or “move thumb up” hint in real time.

MVP checklist

  • Lesson library
  • Live hand tracking
  • Accuracy feedback
  • Progress streaks

Tech stack

TechRole
ReactFrontend UI
MediaPipePose / hand tracking
TensorFlow.jsOn-device ML

Reference repos

Open-source projects you can build on. Links checked 2026-10-31.

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