Active vocabulary app with word meanings, IPA, translation, examples, pronunciation practice, contextual Q&A and saved words.
AI English tutor for guided lessons, open conversations and topic-based role-play, with practical feedback on grammar, vocabulary and phrasing.
So Product is a curation of the best new products, every day. Discover the latest mobile apps, websites, and technology products.
Free Morse code translator: text to Morse and back, with real audio from 5 to 40 WPM, Farnsworth spacing and shareable links.
Tune your guitar online with a microphone! Free guitar tuner for acoustic and electric — standard and alternate tunings, no download or sign-up.
Learn COBOL and Mainframe Skills, Step by Step for free
Curated videos from all the best channels across YouTube
Free online tool to identify rocks instantly using image analysis. Upload a photo and get accurate results in seconds, no sign-up required.
The relationship app built alongside leading couples therapists
识小库 is a comprehensive public basic knowledge learning resource for civil service exam candidates.