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Ontime is an open-source, browser-based time-management application developed by Carlos Valente that is purpose-built for live-event professionals who need to keep every second of a show on schedule. Designed for theatre, broadcast, corporate presentations, concerts, and any production where a minute-by-minute rundown is critical, Ontime gives stage managers, directors, and technical crews a single, lightweight interface to build, edit, and execute event timelines. Users create a sequential rundown of cues, assign planned durations, attach colour-coded labels, and then let the software handle real-time countdowns, roll-over calculations, and automatic progression from one item to the next. Because the interface runs in any modern browser, the same timeline can be displayed on multiple devices—tablets backstage, laptops at the production desk, or large on-stage clocks—without additional licensing or installation steps. The current release, version 3.16.1, refines the underlying Node.js engine for smoother WebSocket communication, ensuring that time updates stay frame-accurate even when the network is crowded with other show traffic. A dark-mode toggle, MIDI-clock output, and HTTP/OSC remote control further integrate Ontime into existing show-control ecosystems, allowing it to trigger lighting consoles, sound playback software, or broadcast switchers at the precise moment a cue expires. Event histories can be exported as CSV for post-show reporting, while the open-source licence invites venues and universities to adapt the code to their own workflows without vendor lock-in. Ontime is available for free on wget.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version and supporting batch installation alongside other applications.
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