Clock Web App
An open-source clock app for the browser that bundles a timer, stopwatch, and alarms, with customization options so you can make the app your own. It mirrors the core features of a phone's built-in clock in web form. Useful for anyone who wants timing tools in a browser, and open for developers to inspect.
Not sure how to add Clock Web App to your home screen? Step-by-step for Chrome, Safari, Firefox and Edge — it takes about ten seconds, and there is no app store involved.
Own Clock Web App? Have us re-run this measurement — we open it in a real browser, cut the network, and send you what survived.
How to install Clock Web App as a PWA
Are you the maker of Clock Web App? Claim this listing →
Similar to Clock Web App
Clock Master is a modern, privacy-first Progressive Web App engineered for high-precision timekeeping. Features background-reliable Web Audio alarms, a full-screen digital clock, Pomodoro timer with ambient soundscapes, meeting planner, and solar tracker—100% offline ready with zero tracking.
A free and open-source quiz application that lets you play fully customized trivia quizzes right in the browser. Players can tailor quizzes to their liking, and because the code is open, developers can study or extend it. Good for quick trivia sessions without installing anything.
Meditate is a free and open-source meditation timer delivered as a Progressive Web App. It focuses on a single job, timing your meditation sessions, without extra clutter. Suited to anyone building a regular mindfulness practice who wants a lightweight timer that runs in the browser.
A Progressive Web App for playing classic card games online with customizable decks. Players can upload personal images to create custom card designs using family photos, pets, or any imagery. Includes ten games: Cassino, Solitaire, Spider Solitaire, Spades, Hearts, Gin Rummy, Blackjack, Texas Hold'em, Pot Limit Omaha, and Concentration. Works across phone, tablet, and desktop without requiring app store downloads.
Brainwavest provides 777 unique neuro-acoustic sessions designed for focus, sleep, calm, and creativity. Sessions are generated live on your device, avoiding streaming or loops, offering an evolving soundscape. Users can choose from various states and customize duration and listening preferences. Three complete sessions are available for free, with no credit card required.

Distraction-free Pomodoro timer that lives in your browser. Customizable work/break intervals, offline-capable, installs as a PWA. No sign-up, no upsells. The timer keeps counting in a background tab, so switching windows does not silently reset the session.
Own a PWA? See the listing options — standard submission is free.