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Duolingo Tinycards [broken anchor] (Discontinued) Proprietary: Yes Yes 2 Yes Yes Yes No No No No No Fresh Memory (Discontinued) GPL3: Yes Yes Multiple Yes Yes No HTML, CVS No Yes No No ? Mnemosyne: AGPLv3: Yes Yes 3 Yes Yes Yes Video, HTML, LaTeX, Flash ? Yes Yes Yes Yes OpenCards: BSD: Yes Yes 2 Yes Yes Yes PowerPoint slides, Markdown: Yes Yes ...
Duolingo Inc. [b] is an American educational technology company that produces learning apps and provides language certification.Duolingo offers courses on 43 languages, [5] ranging from English, French, and Spanish to less commonly studied languages such as Welsh, Irish, and Navajo, and even constructed languages such as Klingon. [6]
Duolingo logo. In 2009, von Ahn and his graduate student Severin Hacker began to develop Duolingo, a language education platform. They founded a company of the same name, with von Ahn as chief executive officer and Hacker as chief technology officer. In November 2011, a private beta test of Duolingo was launched and the app was released to the ...
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The Duolingo English Test (DET) is a standardized test of the English language designed to be internet-based rather than paper-based. DET is an adaptive test that ...
Brilliant.org is an American for-profit company and associated community that features 70+ guided courses [2] across the site. It operates via a freemium business model. [3] ...
Duolingo features a course for Klingon, which was released on March 15, 2018 and is now in beta testing. [27] [48] [49] The Klingon Language Institute provides a Learn Klingon Online series of lessons to its members. The first few lessons are free to sample. Memrise has user-created materials on various topics. [50]
The official Duolingo TikTok account has exploded in popularity since it began posting memes and funny videos regularly in late September. Duolingo's mascot went viral on TikTok by twerking on ...