Latest find has the lightbulb
A few language resources I learnt about while studying Duo. Free in whole or part:
Polymath Basics in 66 languages.
Tatoeba 10 million sentences with translations. Includes audio in many languages for some sentences.
Digital dialects Vocabulary lists and practice games for studying in 80 other languages
Lexis rex Six major languages and 29 others. Major languages have dictionaries and extra games. Word search, hangman etc for all languages, also flashcards.
My languages.org 95 languages
languagedrops 78 visual dictionaries
languagedrops resources for languages
Goethe-verlag Phrases and vocabulary in 50 languages from English I think. Also contains tests in 25 languages, video courses for Spanish, German and French, memo games and crosswords. Part of Goethe-verlag 50 languages You can hear a phrase several languages at once in phrasebooks by adding another language with the plus you'll see on the left!
The vocabulary trainer from languagecourse.net Flashcards in 25 languages from English.
The last three sites have other languages as well as the base. Vocabulary trainer was recommended by Thomas.Heiss
Duolingo crowns A list of crowns, skills and lessons.
International Children's Digital Library Story books in many languages.
Radio garden Listen to radio stations from all over the world.
Transparent languages free proficiency tests in Chinese, Dutch, English, ESL-English, French, German, Irish, Italian, Japanese, Latin, Polish, Portuguese, Russian, Spanish.