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.
Glosbe - Huge collaborative massively multilingual dictionary.
Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.
Visuwords - The fun and free way to look up definitions. THE graphical dictionary and visual thesaurus.
Busuu - Join the global language learning community, take language courses to practice reading, writing, listening and speaking and learn a new language. Learn English with busuu's .
DocTranslator - Instantly translate and keep the formatting of any document in any language. Free!