https://github.com/bocaletto-luca/multieventcountdowntimer

MultiEventCountdownTimer is a modern, responsive one-page webapp that lets you manage multiple countdowns and stopwatches with real-time audio and visual alerts. All data is stored locally and can be imported/exported as JSON—no backend, no dependencies, no build step.

allarm bocaletto-luca countdown date datetime html-css-javascript import-export javascript multi-event multievent online opensource responsive timer

Last synced: 03 Aug 2025