Wikimedia
Wikipedia: Microsoft Excel
Add your knowledge about Microsoft Excel to the Encyclopedia Wikipedia. There are many links, especially about the history of various versions of Excel and the technical operations aspects.
Carnegie Mellon University
Carnegie Mellon: Graphical User Interface Programming
A discussion of the user interface tools used by programmers to create graphical user interfaces (GUI).
Wikimedia
Wikipedia: Apple Macintosh
This Wikipedia site offers a history of the Macintosh computer, detailing its origins and predecessors. Information regarding the architecture, models, and clones of the Macintsoh are also provided.
Massachusetts Institute of Technology
Mit: Inventor of the Week: Douglas Engelbart & the Mouse
This article on Douglas C. Engelbart, the inventor of the computer mouse, credits the inventor for helping create the "interactive, use-friendly" computer interfaces that we have today.
Wikimedia
Wikipedia: Graphical User Interface (Gui)
A Wikipedia description of the Graphical User Interface (GUI).
Wikimedia
Wikipedia: Gary Kildall
This site from the encyclopedia Wikipedia provides a biography on Gary Kidall details his founding of Digital Research Corporation, his creation of the CP/M Operating System, and his snubbing of IBM after their approach to use a version...
Other
Guidebook: Graphical User Interface Gallery
This is a website that is dedicated to showcasing and preserving graphical user interfaces from the past.
Wikimedia
Wikipedia: Douglas Engelbart
An overview of the life and technology contributions of Douglas C. Engelbart. Includes links to other related sites.