Really Good Emails - A large collection of good product email design.
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.
Good Sales Emails - Best sales emails from great companies
Language Learning with Netflix - Use movies as study material for language learning
Great Email Copy - A dose of emails from around the web.
Word Chain - Word Chain is an application related to words and forming the chains of letters.