Keeps your computer in an active state. No install required, fully portable and can run from a USB. Completely free for everyone.
Platforms
- Windows



Apps similar to PowerLockGuard include goguma app, which is free and open source. Other options are Amphetamine, Caffeine for Windows, Green Dotter and Caffeine for Linux. Prevent Sleep Mode Apps like PowerLockGuard are a crowded field, with more than 50 alternatives for Mac, Windows, Android, Linux and the web.
Keeps your computer in an active state. No install required, fully portable and can run from a USB. Completely free for everyone.



This software helps you keep Windows awake when the PC is in use. Windows will transition to standby if the keyboard and mouse is idle for a long time, except if something is blocking sleep. Programs can signal the system to avoid sleep.



Coffee allows you to keep the display awake without having to change the device settings. It can be toggled at various places:

Wakey is my version of application which keeps your PC awake. It was inspired by Awake utility which was a part of Microsoft's PowerToys.




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.




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.

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

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.

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.

