There are 3 license plans available for Content Editor - Personal, Business and Developer. Personal license can be used at 1 website only, plugin with Business license can be installed at up to 5 websites and Developer - allows unlimited installations.
There are also 2 Bundles available - Personal and Developer at Content Editor page.
Personal package includes all addons (except White Label) + Personal license of Content Editor.
With Developer package you get all addons (including White Label) + Developer license of Content Editor.