status-bar-time-tracker
Display active working time in status bar. When you type something, time tracks, when you incative more than installed time, time stops.
VRymarovich 719 0 1.17.0 MIT GitHub

Simple time tracker for Atom

Displays a time spent in Atom in the lower right corner of the status bar.
Can be toggled on and off with ctrl-alt-t.

Update! You can see detailed information about time spent for opened file and entire project.