This is a simple app that prevents the desktop environment (DE) from sleeping while its on. It should work regardless of the used DE thanks to the Inhibit portal.
Amphetamine Alternatives for Linux
Amphetamine is not available for Linux but there are a few alternatives that runs on Linux with similar functionality. The best Linux alternative is Stimulator, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Amphetamine and four of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Amphetamine are Caffeine for Linux, MoccaFaux and Keep Me Awake.
Alternatives list
35 Caffeine for Linux alternativesInspired by the Mac OS X version, Caffeine for Linux is a status bar application able to temporarily prevent the activation of both the screensaver and the "sleep" powersaving mode.
MoccaFaux is a flexible scheduler that prevents the activation of screen savers and power-saving modes when certain conditions are met.
A small GNOME utility application to send Wake On LAN (WoL) magic packets to devices in a network.
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