Crypto Central - Bitcoin & cryptocurrency portfolio tracker 💸
Roomvine - Chatrooms for real life venues, neighborhoods and events
Bitcoin Flip - Trading Simulator for all the popular crypto currencies.
Spectrum - Browser-based app to visualize the frequencies of an audio file.
Smart Chain Tracker - Smart Chain Tracker is a free tool that allows you to see your live portfolio value as well as a chart of the historic value over the last week, month or year.
CityBugs - Improving cities to make them a better place to live in.