All Things Open is an annual conference that "explores open source, open tech, and the open web in the enterprise." It's been held each year in downtown Raleigh at the Raleigh Convention Center.
The speaker lineup features a few UX speakers, including Rachel Nabors, Bermon Painter, and Sarah Kahn.
Triangle UXPA members can save 15% off registration by using the code TUXPA15.
http://allthingsopen.org/