Search Atom packages.

charcode-display

Display the code of the character under the current cursor position in the status bar.
yonchu
2,330

wordcount

Counts the words (and characters) in your current document, as well as in your selections and displays it in the status bar.
OleMchls
122,198

counter

Counts lines, words and characters in your current document, as well as in your selection and displays it in the status bar.
Fredrik01
5,698