BitBar: the free app that lets you put the anything into your Mac OS X menu bar. Browse from a wide range of plugins, or easily write your own (using any language you like).

Light-weight system monitor for X. Contribute to brndnmtthws/conky development by creating an account on GitHub.

Glances is a cross-platform curses-based system monitoring tool written in Python.

And here is my lightning talk at FOSDEM presenting the latest and upcoming features:

Netdata is software that allows users to monitor all of the processes running on their devices so they can know exactly how their resources are allocated.

Rainmeter is software that allows users to customize their Windows desktop. This application makes it possible for individuals to add useful information in the form of widgets. There are also