Specs are quantitative aspects of the option such as the price
Pros
Pro
Open source
This program is free to use and distribute. The source code is available to a wide range of developers to solve existing issues and improve the platform.
Great choice for checking when lengthy processes end
Very lightweight. But If you have to manage processes end, killetc it's ksysguard or Gnome's system monitor you should use. Both installed is the perfect combination.
Here there may be development options making it easier to grasp at a glance. Maybe a two step approach, graphics showing basics and additional details in the next step, preferably with the graphics still running. Let the user choose.