| XFree86: X implementation for Intel x86-based platforms. |
| Broadway Project: Running X Window over WWW. |
| Freedesktop.org: A free software project to work on interoperability and shared technology for desktop environments for the X Window System. |
| Inter-Client Communication Conventions Manual (ICCCM): Atoms, selections, cut buffers, window manager communication, session management, sharing resources, colors. |
| Keith Packard - Papers and Talks: X Window related papers and talks. |
| New Rendering Model for X: By Keith Packard. Article on current limits and future development of X Windows. [PDF] |
| Open Group Desktop Technologies (X.Org): Official distribution of X11. |
| SiS/XGI graphics chipsets and X.org/XFree86/Linux: Complete description of driver options, configuration issues and download links. |
| UTF-8 and Unicode FAQ: All you need to know to use Unicode/UTF-8 on Unix and Linux systems. |
| What is X / X Server / XFree86: At The Linux Revolution. Information on X / X Server / XFree86. Gain a little knowledge on the graphical interface for Linux. |
| X on TV: How to set up XFree86 for a TV. |
| X Window System and Motif WWW Sites: List of over 600 technically-oriented X Window sites: X Consortium, Motif, X Advisor magazine, major X technologies, CDE, internationalization, FAQs, on-line technical papers, on-line tutorials, X for PCs and Linux, and general human-computer interaction. |
| X-Window Architecture: This article want to explain what is the X-Window client/server architecture and to take advantage of it. |
| X11/Graphics: Holds graphics X11 programs and libraries. These include programs for the manipulation or conversion of graphics (bitmaps in particular). |
| XDM ThemeStuff: A set of scripts to make Theming the XDM (X Display Manager) easier. |
| Xprint: A X11-based print system and API which enables X11 applications to use devices like printers, FAX or create documents in formats like PostScript, PDF, PCL. |