The WakaTime plugin works with GitHub's Atom text editor and is open-source on GitHub.
Inside Atom, navigate to Preferences (or Settings) → Install and search for wakatime.
Click the Install button.
Click the Settings button inside the wakatime package.
Enter your API key .
Use Atom like you normally do and your coding activity will be displayed on your WakaTime Dashboard.
Note: The leet way to install WakaTime is with this Terminal command:
apm install wakatime
The plugin will be kept up-to-date automatically.
Inside Atom select Preferences… or Settings (depends on the system) → Packages and search for wakatime.
Click the Uninstall button.
Also make sure to delete your api key from ~/.atom/config.cson to keep your account secure.