Quizlet is a mobile and web-based study application that allows students to study information via learning tools and games.

It is an eighth-generation home video game console developed by Sony Computer Entertainment. Announced as the successor to the PlayStation 3 in February 2013, it was launched on November 15 in North America, November 29 in Europe, South America and Australia, and on February 22, 2014, in Japan. It competes with Microsoft's Xbox One and Nintendo's Wii U and Switch.

Store notes on your device, so you can access them quickly, even offline. Use hundreds of plugins and themes, to fit your way of thinking.

Blloc is a plain and minimalistic smartphone combining a power saving operating system with efficient hardware and an easy to use messaging platform, it’s built to be the perfect communication and productivity tool that you can rely on every day.

POLAR is a powerful offline browser for Mac, Windows, and Linux for managing all your web content, books, and notes. Polar keeps all your content in one place, supports tagging, annotation, highlighting and keeps track of your reading progress. POLAR allows you to keep all your documents, annotations, and flashcards in once place.