The best alternatives to Theine are Amphetamine, Caffeinated, and Jott. If these 3 options don't work for you, we've listed a few more alternatives below.
Welcome to Amphetamine, the most awesome keep-awake utility ever created for macOS. Amphetamine can keep your Mac, and optionally its display, awake through a super simple on/off switch, or automatically through easy-to-configure Triggers.
Caffeinated prevents your Mac from going to sleep, dimming your screen or starting the screensaver.
Your screen goes dark when you don't want it to? Then Caffeinated is the perfect tool for you. Caffeinated was developed based on the helpful tool Caffeine. Caffeinated brings back the classic features to your Mac, but better. One click on the coffee cup in your menu bar is enough to keep your Mac awake. If needed, you can find additional options in a beautifully designed and easy-to-use app interface.
an adorable status bar app that keeps your mac awake even when the lid is closed. no external monitor required. built open source with swift using lovely frame-by-frame animations. for those looking for a simpler, easier way to do this every day. enjoy! ✨