HackerNoon Projects of the Week: QuantumLayer, Ekstra AI, & ComLab

This week’s Projects of the Week spotlights three standout entries from the Proof of Usefulness Hackathon. QuantumLayer embeds climate risk into software via API, Ekstra AI delivers privacy-first foot traffic insights for small businesses, and ComLab transforms scattered user feedback into actionable product tickets. Each project is scored on real adoption, revenue, and utility—rewarding substance over hype.