Code::Stats plugin for the Sublime Text 3 editor.
NOTE: Only works on Sublime Text 3, not 2!
To use the package, generate an API key on your "Machines" page and copy that API key into the package settings.
Code::Stats is a free statistics tracking service for programmers: https://codestats.net/
First install Package Control. Then use it to search for "CodeStats" and install. Set up the API key with Preferences -> Package Settings -> CodeStats -> Settings – User.