# X.Org Manual pages: Section 7

- X - a portable, network-transparent window system
- X.Org - X.Org Group information
- XConsortium - X Consortium information
- XProjectTeam - X.Org Group information
- XStandards - X Window System Standards and Specifications
- Xprint - The "X print service" - a portable, network-transparent printing system based on the X11 protocol
- Xsecurity - X display access control