Open Caffeine is a native macOS menu bar app for keeping your Mac awake for a chosen duration. Pick presets, set a custom timer, toggle screen sleep behavior, use a global hotkey, show a countdown in the menu bar, and stop automatically at a low battery threshold. It is open source, Apple Silicon native, and built for people who want a simple, modern Caffeine-style utility without extra marketing menu items.

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Open Caffeine is a native, open source macOS menu bar utility that prevents your Mac from sleeping. It offers preset durations, a custom timer, screen sleep toggle, global hotkey, countdown display in the menu bar, and automatic stop at low battery. Built for Apple Silicon, it aims to be a modern, minimal alternative to the original Caffeine app.

Open Caffeine: Keep your Mac awake

Well done! A native application for once.
For a quick-and-dirty keep-alive when running coding agents, for instance, the macOS built-in <code>caffeinate</code> can also be helpful:
<pre><code>caffeinate -i claude
</code></pre>

I’m using Amphetamine (that’s the app, ok? 😀) for years. I find it weird only when I need to explain it somewhere, like just right now, here.
I’ll check this tool, looks interesting!

What if we set seep to never it will work or not ? or this tool has something special that avoid sleep only if agent is live and in action ?

I thought <a href="https://www.caffeine-app.net/en/" target="_blank" rel="noopener nofollow">Caffeine </a>was already open source? I used on my Mac like 10 years ago and it was the same program. Were they removed?

The UI looks nice. On Battery setting makes this app useful