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.
Blockchain Demo - Visual demonstration of blockchain technology
CoinBundle - Invest in crypto portfolios with one click and zero fees
Crypti - A minimal cross-platform Bitcoin price widget
Bitcoin Flip - Trading Simulator for all the popular crypto currencies.
Explain Me Please - Complex topics explained for your level and background