Welcome to the Insight Home Page! Insight is a graphical user interface to GDB, the GNU Debugger written in Tcl/Tk by people working at Red Hat, Inc. and Cygnus Solutions. Red Hat has generously donated Insight to the public and even pays a few people to work on it occasionally. If you'd like to hear about future Insight announcements, put your e-mail address through the form below: News July 19,