BitMidi

A browser-based synthesizer inspired by the Casio PT-1. Retro keyboard sounds, waveform visualization, playable with your keyboard or mouse. Fun for quick musical sketches. Notes respond to the computer keyboard row by row, so a laptop becomes a playable instrument without any MIDI hardware.

A set of JavaScript libraries described as a Swiss Army knife for service workers, with this site hosting its documentation. Serwist helps web developers add precaching, runtime caching, and offline behavior to their sites, continuing the approach popularized by Google's Workbox.

Set alarms that wake you with a YouTube video or MP3 file of your choice. A unique browser-based alarm clock — no app download, works as a PWA. Never wake up to a default beep again.

A library application delivered as a Progressive Web App, built with React, Tailwind CSS, and a Django backend. Its Persian-language title suggests it serves Persian-speaking readers browsing or managing a book collection from the browser or an installed home-screen app.

Online music studio with synthesizer, effects, and recorder. Play a virtual keyboard, apply reverb/distortion/delay, and record your sessions. All in the browser. Effects chain in real time rather than on export, so you hear the reverb or delay while still playing.

Buy music directly from independent artists — 82% of revenue goes to artists. No algorithm pushes what's popular — just music discovery built on actual fan support.