Mathway - Mathway is a freemium math solving app that helps you find the solutions to any math problem you can imagine.
i3 - A dynamic tiling window manager designed for X11, inspired by wmii, and written in C.
Photomath - Photomath is a mobile app that will give you the ability to test your equations through a simple calculator interface that will fully explain the solution in a step-by-step fashion. Read more about Photomath.
dwm - dwm is a dynamic window manager for X. It manages windows in tiled, monocle and floating layouts. All of the layouts can be applied dynamically, optimising the environment for the application in use and the task performed.
PhotoStudy - Stuck on a Math or Science Problem? Get Help From an Expert Tutor in Seconds!
Openbox - Openbox is a highly configurable, next generation window manager with extensive standards support.