BBC Learning English
BBC lessons for listening, vocabulary, and grammar
Open10 sites
English vocabulary, pronunciation, writing, translation, and listening resources.
BBC lessons for listening, vocabulary, and grammar
OpenText and document translation across apps and APIs
OpenA two-step estimate of your English vocabulary size
OpenPrepare movie vocabulary before watching in English
OpenProofreading, rewrites, and tone suggestions
OpenTrace the origins and history of English words
OpenParaphrasing, grammar checks and writing assistance
OpenPronunciation and fluency feedback for language learning
OpenAmerican English through news, audio, and courses
OpenAn English dictionary with word lists and practice
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