Feelsbot uses machine learning and Twitter to assess the emotional sentiment of any city.

Recurse Roulette

Recurse Roulette allows members of the Recurse Center to share video and audio streams using WebRTC.


Spare connects people in need of clothing and other essentials with people in the community who have things to spare.

Technovation Curriculum

The Technovation curriculum is a coding and entrepreneurship curriculum used by thousands of girls around the world.