Black PWA

CharMix is a word game based on Wordle, but has the following extra features: - Can be at any time, no need to wait for the next day to play again; - Customizable number of letters of word to guess, between 4 and 10; - Customizable number of tries, between 4 and 10; - Customizabl

Defrag98 recreates the Windows 98 Disk Defragmenter in your browser, down to the window chrome and the bitmap fonts. Pick one of four drives, press Start, and watch the cluster grid sort itself out to the sound of a grinding hard disk. It touches no real files. Installs to your home screen from any modern browser — no app store, no download; its manifest declares standalone display with a 512px icon, and its service worker caches assets for offline use. Submitted by its author and measured on 2026-08-31.

Calculate in a notebook and share — from everyday math to engineering. Use variables, functions, and units and see results immediately. Add comments, copy calculations to apps like Word or Excel, or share them through an editable link. Calculate thermodynamic fluid properties with the integrated CoolProp library.

AIQ provides free, gamified AI literacy education for kids and teens aged 5–18. It adapts content across four age-tiered modes, focusing on learning AI and fostering human thinking. The platform is accessible to users in the Philippines.

Digital For Her offers a platform for 'Phonics World', focusing on educational content. The Progressive Web App is installable, providing a dedicated experience for users interested in phonics learning, as suggested by its landing page title. Its standalone display mode enhances user focus on the learning material.

Mission Morse teaches Morse code using a gamified approach, transforming learning into a secret agent mission. Users can master the full alphabet, Q codes, and CW radio through progressive lessons, quizzes, and narrative missions. It supports both French and English learners, offering a structured and engaging educational experience.