Brics

The audio player Bric lets you add a basic HTML 5 audio player to your site that can be used...

The masonry gallery Bric consists of a collection of images that are nested within a div container Bric that has...

The checkbox Bric lets you add a standard HTML checkbox input to your site. Checkboxes are most commonly used as...

The Extension Manager lets you easily install and manage 3rd party Blocs extensions such as custom Brics and Blocs.

I've installed a custom Bric and it shows multiple times in the Bric Bar, however, it does not show in the Extension Manager so I can not uninstall the Bric.