ontime ☆
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Description:
Time keeping for live events
Type: Cask  |  Latest Version: 4.4.2@0  |  Tracked Since: Dec 23, 2025
Links: Homepage  |  formulae.brew.sh
Category: Productivity
Tags: timer broadcast live-events obs production countdown
Install: brew install --cask ontime
About:
Ontime is a versatile, free, and open-source application designed for precise time keeping in live events. It provides a suite of tools including a countdown timer, stopwatch, and schedule management, all viewable via a web browser. Its primary value is offering reliable, broadcast-ready clock overlays and control for production teams and event managers.
Key Features:
  • Real-time countdown timer, stopwatch, and clock with millisecond precision
  • Web-based interface for remote control and viewing on any device
  • OBS Studio and vMix integration for live stream overlays
  • Flexible schedule management with event rundown and cueing
  • Self-hosted and offline-capable
Use Cases:
  • Managing timings for presentations, speeches, and conference sessions
  • Controlling on-screen clocks and countdowns for live broadcasts and streams
  • Coordinating backstage operations for theatrical productions and concerts
Alternatives:
  • Lumia Stream – Similar focus on event timers and overlays, but often with more cloud-centric features.
  • OBS Studio (Native Timers) – OBS has built-in clock plugins, but Ontime offers a more robust, standalone control interface.
Version History
Detected Version Rev Change Commit
Feb 16, 2026 7:25am 4.4.2 0 VERSION_BUMP a44bb198
Feb 14, 2026 1:19pm 4.4.1 0 VERSION_BUMP 19e59739
Feb 8, 2026 7:13pm 4.4.0 0 VERSION_BUMP 00130642
Jan 11, 2026 7:17pm 4.3.1 0 VERSION_BUMP ccd5a28e
Dec 23, 2025 1:28pm 4.2.1 0 VERSION_BUMP d0df39ea
Sep 15, 2025 12:45pm 3.16.1 0 VERSION_BUMP f648b187
Aug 17, 2025 7:20am 3.16.1 0 VERSION_BUMP 521832bb
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