Caffe1ne is a small program that prevents computers from locking or sleeping due to inactivity, by simulating the pressing of the SHIFT key every 59 seconds. It overrides various system settings to keep the computer awake.

The software tool operates by simulating the pressing of the SHIFT key every 59 seconds, which functions as an effective control over your PC, allowing you to maintain its functionality even when it remains idle for extended periods.
With its user-friendly interface, this program is incredibly easy to use. You can install it quickly, and once you have done so, it runs unobtrusively and discreetly in the background. Overall, Caffe1ne is an excellent option if you are looking for a reliable utility tool to keep your PC active even during inactivity periods.
Version 1.5: Added Windows XP themes support. Changed main icons of the program. Improved displaying tray icon on some Windows versions.