BarCamp Charleston is hosting an "unconference," where attendees determine the topics to be presented. This event includes discussions, demos, and interaction in an open environment for learning and sharing in the Charleston community. At the end of the day, join the after party at Mynt for appetizers and drinks. College of Charleston, 66 George St. Saturday, 8:30am-6pm. $10. www.barcampchs.org.