Peerlist - Peerlist is a community-led professional network for people in tech with powerful work profiles at its core.

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.

Pineapple - A centralized hub of user-submitted tutorials and resources for programming and design.

LanguageBeast.com - Study English synonyms and antonyms to enrich your vocabulary

Damus - The social network you control

Babble - A more personalized social network