The constant stream of posts containing lists of plugins is never ending, however this one contained a couple which looked interesting and worth following up.
jQuery Grab-Bag: 10 New Plugins – the ones that caught my attention were ChatJS (which also comes with a server side implementation for ASP.NET/SignalR out of the box), List.js (because lists are cool), and the Bootstrap YouTube Popup Player Plugin simply because it has potential to be useful in customer sites.