uWhiteLabel is an Umbraco package which enables you to easily add your brand to your Umbraco backoffice. View Details 
Umbraco A/B Testing Made Easy: An Umbraco package that enables content editors to use familiar controls to run A/B experiments. View Details 
UmbracoSocialPluginAdapters adds Facebook and Twitter adapters for the jQuery Social Stream Plugin. View Details 
Trello Api Explorer
Uses the Trello API to show all your Boards, Lists, Labels and Cards and an easy way to view the JSON for each. View Details