Amphetamine is described as 'Little app that lives in your menu bar which can effortlessly override your energy saver settings and keep your Mac awake' and is a popular prevent sleep mode app in the os & utilities category. There are more than 50 alternatives to Amphetamine for a variety of platforms, including Mac, Windows, Android, Linux and F-Droid apps. The best Amphetamine alternative is Vorssaint, which is both free and Open Source. Other great apps like Amphetamine are Caffeine for Windows, PowerToys - Awake, Stimulator and goguma app.
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...
Belay keeps your Mac awake while a coding agent is working. When the work stops, Belay gets out of the way and your Mac can sleep normally again.
Synapse is a native macOS utility suite that combines clipboard history, screenshots, OCR, Keep Awake, QR scanning, and other everyday tools into a single lightweight app. Built in Swift, Synapse is designed to stay fast, efficient, and out of the way.
Ajar maps your MacBook's lid angle to display brightness, keyboard backlight, and system volume, and keeps the Mac awake while AI agents are running.
Keep your Mac awake only when needed, with a minimal control surface built for focused workflows.
StayUp keeps a Windows PC awake on your terms: forever, for a set time, until a clock time, while a chosen app is running (Zoom, OBS, a backup job), or on a daily schedule like workdays 9-18. It uses the Windows power request API - no fake keypresses - and lives quietly in the...
Mainspring reveals the settings macOS keeps hidden and turns them into simple, labelled switches, each with an undo button. No Terminal, no defaults write commands, and nothing you cannot put back.
lidawake is a menu-bar app that keeps a Mac awake with the lid closed — for working on an external monitor in clamshell mode, or leaving a task running.
macOS CLI that keeps your Mac awake with the lid closed on battery, so a local Codex, Claude Code, or Cursor session keeps running.
Professional-grade tool that prevents system sleep and idle states with randomized, human-like mouse movements and window rotation.
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