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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.

Papermind - Papermind Slack App is a collaborative article-editing and document management platform for Slack

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Xara Cloud - The simplest design tool for business documents

Kialo - Kialo is the platform for rational debate. Empowering reason through friendly and open discussions.