Xnetlib is the product of the efforts of many people. Ken Bateman, David Bolt, Shirley Browne, Jennifer Finger, Tracy Gangwer, Stan Green, Brian LaRose, Todd Letsche, Sharon Lewis, Keith Moore, Andrew Pearson, Jon Richardson, Bill Rosener, and Andrea Van Hull all made valuable contributions to the design, development, and testing of various versions of xnetlib. We also thank the many users of early versions of xnetlib for their constructive comments and for their patience.