SleepTime is a light-weight app that lives on your menu bar, letting you easily set a timer to put your Mac on sleep automatically after a specified time period you choose.
Cost / License
- Paid
- Proprietary
Platforms
- Mac



Sleep Preventer is described as 'Prevents your computer from going to sleep, hibernate, dim the display or start the screensaver. Application runs in the system tray when closed. New in version v1.3: -Parameter support. v1.2: Option to let display fall asleep. v1.1: Sleep timer' and is a prevent sleep mode app in the os & utilities category. There are more than 25 alternatives to Sleep Preventer for a variety of platforms, including Mac, Windows, Android, Linux and Web-based apps. The best Sleep Preventer alternative is goguma app, which is both free and Open Source. Other great apps like Sleep Preventer are Amphetamine, Caffeine for Windows, nosleep.page and Stimulator.
SleepTime is a light-weight app that lives on your menu bar, letting you easily set a timer to put your Mac on sleep automatically after a specified time period you choose.



Keep your Mac awake only when needed, with a minimal control surface built for focused workflows.




Provides Windows tray-based management for staying awake, preventing sleep, keeping displays on, or changing power plans. Includes session timer, hotkeys, and crash recovery with Pro-only smart triggers, stats export, Drive Alive for USB devices, and minimal resource use.


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...

macOS CLI that keeps your Mac awake with the lid closed on battery, so a local Codex, Claude Code, or Cursor session keeps running.

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.

A tiny macOS menu-bar app that keeps your Mac running even with the lid closed — so coding agents (Claude Code, Codex, etc.) keep working while you move around.

Lightweight, portable, and very practical application that displays and locks the computer idle time, falsely informing the system about user interaction.
