Transform - A polyglot web converter
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.
Vimcal - Vimcal is the world’s fastest calendar, beautifully designed for people who work remotely and live in their calendars.
Readlang - Read your favorite webpages, translate the words you don't know, and we'll generate flashcards to help you remember.
qryn - Polyglot observability for Logs, Metrics and Traces
Mondly - Learn 33 languages in 500 bite-size lessons and 14 conversational modules.