Wordd - Quickly look up vocabulary, abbreviations, acronyms, slang

Forvo - Forvo: the largest word pronunciation dictionary in the world, now with translations.

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.

Howjsay - Pronounce words correctly with the world’s largest English pronouncing dictionary.

Easy Ten - Learn any language with ten words a day.

Shtooka - The Shtooka Project is a multilingual database of audio recordings of words and sentences.