This app will keep your system awake for a defined period of time. It will pause the energy settings and prevent the screensaver from starting.
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InsomniaZ Alternatives
InsomniaZ is described as 'Use Mac with external monitors with lid closed even when you are on battery power. Play music, airplay movies, download/upload lid closed. Most modern and up to date app' and is a prevent sleep mode app in the os & utilities category. There are more than 50 alternatives to InsomniaZ for a variety of platforms, including Mac, Windows, Linux, Android and Web-based apps. The best InsomniaZ alternative is Amphetamine, which is free. Other great apps like InsomniaZ are Caffeine for Windows, Stimulator, Caffeine for Mac and Caffeine for Linux.
Alternatives list
Keeps your computer in an active state. No install required, fully portable and can run from a USB. Completely free for everyone.
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Anti-Sleep App for your Mac.
Caffeinated prevents your Mac from going to sleep, dimming your screen or starting the screensaver.
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PleaseSleep is a utility software designed for Mac OS X that helps put your computer to sleep when you know some other app is preventing your Mac from going to sleep.
Cost / License
- Free
- Proprietary
Alerts
- Discontinued
Platforms
- Mac
NoSleep makes closing of your MacBook lid possible without going to a sleep mode. Now you shouldn't have to plug your mouse and monitor to stay computer awake - just activate it by clicking a menu bar icon or check a tick in the System Preferences and continue downloading...
Cost / License
- Free
- Open Source
Alerts
- Discontinued
Platforms
- Mac
Deep Sleep is a simple Dashboard widget which allows users to put their computer into hibernation mode, also sometimes called software suspend mode. This widget only works on a limited number of Apple computer models.
Cost / License
- Free
- Proprietary
Alerts
- Discontinued
Platforms
- Mac
Cost / License
- Freemium
- Proprietary
Platforms
- Mac
Never show up as idle on Slack, Microsoft Teams, Skype, etc. Slacker moves your mouse pointer for you whenever you are idle - the result is that you always show as active on any corporate/office instant messaging tools running on your work computer.
Cost / License
- Paid
- Proprietary
Platforms
- Mac
Close the lid. Keep coding. Hold My Lid keeps your Mac awake while Claude Code, Codex, and your other agents finish the job — lid shut, in your bag.
ScreenWakeUp is a free, browser-based tool that keeps your screen from sleeping or locking. It uses the modern Screen Wake Lock API — nothing to install, no admin rights, no account. Open it in any browser on Windows, macOS, Linux, ChromeOS, Android or iPhone and click one...
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