Roomvine - Chatrooms for real life venues, neighborhoods and events
Spectrum - Browser-based app to visualize the frequencies of an audio file.
Treadie - Create your own micro-social network for topics
CryptoInfluence.io - First crypto influencer community
Qwasap - A Telegram bot that lets you talk to people who are located anywhere in the world.
Carrd - Simple, responsive one-page site creator.