Tix 8.1.4 - A set of extension widgets for Tk.

Tix (Tk Interface Extension), an add-on for the Tk widget set, is an extensive set of over 40 widgets. In general, Tix widgets are more complex and more capable than the widgets provided in Tk. Tix widgets include a ComboBox, a Motif-style FileSelectBox, an MS Windows-style FileSelectBox, a PanedWindow, a NoteBook, a hierarchical list, a directory tree and a file manager.