Dmail - Dmail makes it safe&private for you to communicate storage and transfer tokens&NFT's on Dfinity

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)

Ugly Email for FireFox - Get back your email privacy, block email tracking

BitInfoCharts - Price, reward, difficulty, hashrate, market capitalization, block time, blocks count for all the...

FastMail - Email, calendars, and contacts to highest standards of security, privacy and reliability.

Stampery - Stampery generates legally binding proofs of existence, integrity and ownership.