I’m searching today for a good WordPress calendar plugin and came across this great post:
Be sure to read further down in the comments about the GigPress plugin’s ability to link to Posts:
There was also a good comment about the Viva7 WordPress theme that has a great built in calendar:
Also, this event calendar plugin looks interesting:
http://meandmymac.net/plugins/events/ – The admin interface is great! I’m playing with the styling of the sidebar text and how the event details show. Will provide link soon, so you can see this in action. I think this may be the one I use, as it’s straight-forward, has several admin fields and lots of control with styling.
I have used Event Calendar 3 on many sites:
http://wpcal.firetree.net/ – it provides a widget to show upcoming events and works with posts, so you simply need to write a post and assign an Event Calendar date to it, and it automatically is placed in the event category you specify.
Be sure to read my longer post about WordPress Event Registration plugins for more!