Flexible, powerful, gracefull and… still free!

I’ve used The Events Calendar on a handful of sites, including the plugin’s add-ons Tickets and import tool, and I’ve only been too satisfied. It’s powerful right out of the box, and the styling options make it a perfect fit for a variety of designs. Before you go poking around with Firebug, note that they have a whole guide on customizing it to make your life easier.
If you are calendaring events and even need RSVPs, you’ll find it free STILL. But that’s not the best part. Best is it WORKS.