MyBrocard - Brocard allows you to create an unlimited number of virtual cards for paying for advertising and other online payments, manage a team of buyers, choose from 20+ bins for various tasks, and enjoy convenient API for integrations.

Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.

Moon Virtual Cards - Purchase Moon Visa® Prepaid Cards with crypto. Pay at millions of online merchants with secure virtual cards.

SmartCards+ - Spaced Repetition Software for iOS. Modern, powerful and easy to use.

ABcard - ABcard - service allows you to issue an unlimited number of cards to pay for advertising accounts. 3 unique BINs for any work tasks, management of a team of media buyers inside a personal account and complete anonymity when paying for traffic.

Zorbi - Spaced-Repetition Flashcards - Other tools are built by boomers, Zorbi is built by students.