Normally I'd agree, but I think this has compelling enough reason to be on it's own. The lightweight nature means it's only real competition is Backbone, which

Normally I'd agree, but I think this has compelling enough reason to be on it's own. The lightweight nature means it's only real competition is Backbone, which is more of a library for making a framework than a framework itself. But Mithril seems to do more while still managing to have a much lighter footprint and feel more like "just JavaScript".