An ember-cli addon to add jquery-ui as a dependency to your app. Also includes a small library of components wrapping JQuery UI widgets.
openFrameworks addon with scene graph, animations, enhanced text, and more.
WoW addon library - additional information about player spells.
Openframeworks Addon for creating photoshop like 2d artboard
Firefox addon for ocDownloader (ownCloud application)
scikit-learn addon to operate on set/"group"-based features
WHMCS Addon to allow clients/customers to give out promo codes (or coupon codes) instead of affiliate link.