Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
Caffeine for Linux - Inspired by the Mac OS X version, Caffeine for Linux is a status bar application able to...
Calca - Calca is an advanced symbolic calculator for iOS, OS X, and Windows that's as easy to use as a text editor.
Caffeine for Windows - Prevent your computer from going to sleep
Numi App - Numi is a beautiful text calculator for Mac.
AntiSleep - AntiSleep is a powerful software that prevents the system from going into hibernate mode.