Cryptab - Track the top 100 Cryptocurrencies in every new tab
Coin Demo - Visual demonstration of how bitcoin transactions work
Frost - An open API for Blockchain timestamping
BlockchainI.CO - Research, ratings and analysis on upcoming ICO’s
Bitbonkers - Realtime Bitcoin transaction visualizer
Blockchain Startups Map - Map & searchable database of 430 companies in 64 categories.