Crypto Tracker - Never miss an opportunity to invest in bitcoins & ether
Future Me - Send an email to your future self
Bitcoin Flip - Trading Simulator for all the popular crypto currencies.
Dabble Me - Your own private place to write. A journal/diary to help you remember what's happened in your life.
TradingView - The best charting tool for crypto and stocks
Letter to Yourself - Send a physical letter to your future self