RedNeutrino
Timer Tables. The BEST way to learn the Times Tables.
Data Privacy Notice: The Timer Tables App does not track, collect or sell ANY user data.
https://itunes.apple.com/us/app/timer-tables/id1431085868?mt=8
CPUPLOT. Command Line Profiler of CPU Usage and Load Average.
A simple BASH script that shows the history of CPU usage, and what process uses the most CPU at a given time.