Window Managers for X: Window Maker
Window Maker page from a guide to window managers and desktops for the X Window System and Linux/UNIX.
http://www.plig.org/xwinman/wmaker.html

C & J Metal Products Inc.
C & J Metal Products is a manufacturer of HVAC building products, sheet metal, roofing, ventilating and waterproofing products, gutters, window canopies, perimeter systems, dormers, and chimney saddles.
http://www.cjmetals.com/

Rebco, Inc.
Metal door and window frames.
http://www.rebcoinc.com/

DHTML Window
Click here for a window script constructed using pure DHTML
http://www.dynamicdrive.com/dynamicindex8/dhtmlwindow.htm

Ratpoison Window Manager
A simple Window Manager with no fat library dependencies, no fancy graphics, no window decorations.
http://ratpoison.sourceforge.net/

Klassen Manufacturing Limited
Klassen Manufacturing is a Manufacturer of custom metal stampings including industry standard washers, custom stamping, custom washers, etc.
http://www.klassenmanufacturing.com

B4Step Window Manager
B4Step is a Window Manager running under X11R6 with a different way to manage window banners. It can use OpenGL routines for animations, is Gnome compliant and has also a sound support.
http://b4step.free.fr/

Quickstrong Mfg.
Window well Covers for home improvement, security, protection, privacy.
http://quickstrong.com/

Domimion Building Products
Door and window supplier to the pre-engineered metal building industry.
http://www.dominionproducts.com/

The Scheme Configurable (Constraints?) Window Manager
A highly configurable X window manager written and configurable with Guile Scheme. An absolute must for any hardcore Schemer who uses X Window. Now at version 0.99.6.1 with Gnome support, a CORBA interface, a complex constraint system for pseudointelligent window placement and management, extremely flexible decoration configurability, and a GUI configuration interface for non-Scheme hackers, plus an assortment of decoration themes.
http://scwm.sourceforge.net/