OP Auto Clicker: The Ultimate Open-Source Mouse Automation Guide
Global Hotkeys:
Works in the background; the default hotkey to start/stop is usually F6 .
Elias watched, terrified, as his computer began to live a hundred years of productivity in a single minute. He reached for the power cord, but before he could pull it, a message box popped up on the screen, clicking itself away so fast he could barely read it: OPTIMIZATION COMPLETE. COMMENCING WORLD IDLE.
The software is popular for its simplicity and "full-fledged" feature set that caters to both casual users and power gamers: