The problem with WebTorrent right now is interop with regular bittorrent clients. As it is, a desktop client cannot seed to a WebTorrent client. greatly reducing the usefulness of it. Hopefully this can be solved.
There are several desktop clients that support the "bridge" between WebTorrent and BitTorrent. This includes WebTorrent Desktop [1] prominently linked on the WebTorrent site, but also some "traditional" clients like Vuze have started supporting that, too.
