crabgrass_media

https://github.com/riseuplabs/crabgrass-media

Crabgrass::Media is the Media engine of Crabgrass. Crabgrass is a web application designed for activist groups to be better able to collaborate online. Mostly, it is a glorified wiki with fine-grain control over access rights. Crabgrass::Media is a rails engine to do media transformations.