AAC Talk Board
Tap a picture, speak a sentence. A free voice for people who can't speak.
Open-source AAC with text-to-speech in 40+ languages.
A mature, actively maintained AAC (augmentative and alternative communication) system that runs in the browser.
Localise it for Singapore: Malay, Tamil and Singlish voices, symbols for local food and places, and boards for a hawker centre, a clinic and a mosque. Then pilot it with a special-needs school.
A walkthrough on the Tech Kampung YouTube channel is coming.
Every minute a rider spends circling for a lot is a delivery they don't make.
Match kids in rental blocks with volunteer tutors nearby.

Learn your deen at your doorstep. Religious classes inside the rental block.
Coordinate hundreds of volunteers to map anything.