Some X11 development tools

• Fresco WWW server. Fresco looks to be the next generation GUI framework for unix. (Check out Pesto and Python also.)
• To compile the latest version of Fresco on Linux, see http://www.clark.net/pub/ecn/fresco.html
• Lesstif is a free Motif clone.
• Qt is an object-oriented framework for developing graphical user interface applications. (Motif-like C++ library) It is a product of Troll Tech .
• xinside
• tcl-faq at ohio-state
• More Tcl info from sco.com
• check out the Tcl/Tk archive at ftp://ftp.alcatel.com/tcl
• And yet more from ualberta.ca
• John Cwikla's X reference
• Bert Bos homepage (he writes free widgets)
• fvwm info page