Bitcoin Flip - Trading Simulator for all the popular crypto currencies.
Coin Demo - Visual demonstration of how bitcoin transactions work
Roostoo - Simulated crypto exchange and mock trading competitions
BlockchainI.CO - Research, ratings and analysis on upcoming ICO’s
Dojla - Buy, sell, convert & learn to trade top cryptocurrencies
Blockchain Startups Map - Map & searchable database of 430 companies in 64 categories.