Description: VerbAce is a vocabulary building software that uses spaced repetition and adaptive learning to help users learn new English words and improve their vocabulary.
Type: software
Description: Wordnik is an online English dictionary and language resource that provides dictionary and thesaurus content, example sentences, audio pronunciations, and word-of-the-day features. It covers over 4 million words and includes definitions, pronunciations, etymologies, examples, and more.
Type: software