Vocabulary.com - Vocabulary.com is the easiest, most intelligent way to improve your vocabulary.

Words - Software for improving your english vocabulary.

Anki - Anki is a program which makes remembering things easy. Because it's a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.

Medium - Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.

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.

Dataset Search - Making it easier to discover datasets. Made by Google.