The WakaTime Komodo plugin is open-source on GitHub.
Inside Komodo, select Tools → Add-ons.
Press the left arrow key to go up one level.
Search for WakaTime and press Enter to install.
When prompted, click Restart Now.
Enter your API key
Use Komodo like you normally do and your time will automatically be tracked for you.
Visit https://wakatime.com/dashboard to see your coding activity.
Find WakaTime in the list of Extensions and click the Remove button.