Stampery - Stampery generates legally binding proofs of existence, integrity and ownership.
Spike - Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.
CoinArbitrage - Crypto Currency Price Monitor in Real time with Alerts and Notification through email, sms, Desktop Notifications Instantly and watch all of your assets and coins in one place with 16 Exchanges, 6500+ Coin (bitcoin, etherum, dogecoin,litecoin,ripple)
Keybase Chat - End-to-end encrypted chat built into Keybase
BitInfoCharts - Price, reward, difficulty, hashrate, market capitalization, block time, blocks count for all the...
Crypho - End-to-end-encrypted messaging and file sharing