Forvo - Forvo: the largest word pronunciation dictionary in the world, now with translations.
Power Thesaurus - Power Thesaurus is a fast, comprehensive and easy-to-follow online thesaurus for writers...
Howjsay - Pronounce words correctly with the world’s largest English pronouncing dictionary.
English Grammar Complete Handbook - English Grammar Complete Handbook app offers features to help users in extensively learning English grammar by viewing the complete guide of all the grammatical terms and concepts at a glance.
Shtooka - The Shtooka Project is a multilingual database of audio recordings of words and sentences.
English Grammar Test - English Grammar Test app is an app by Sevenlynx that contains features to help users access a variety of online resources and books to learn by adopting a different way.