Huntathon - Browse and submit Product Hunt Global Hackathon projects
Splitwise - Splitwise is a free tool for friends and roommates to track bills and other shared expenses, so that everyone gets paid back. On the web, iPhone, and Android!
Confs.tech - Open source list of tech conferences: JS / Ruby / Data etc.
Splittable - Shared living made simple
MVP-Challenge - 2 weeks. 1 MVP startup. $0 costs
EquiTable - Split the bill fairly