||This article relies largely or entirely upon a single source. (February 2016)
GUIdebook is a website that contains screenshots of computer software. It shows a visual history of the software's user interface. It includes operating systems like Mac OS and Windows, desktop environments like GNOME and KDE, portable operating systems like Newton OS and Windows CE, and applications like iTunes and Adobe Photoshop. As of 2016, it hasn't have been updated and its copyright still ends at 2006.
- ^ Wichary, Marcin. "GUIdebook: Graphical User Interface gallery". Retrieved 2006-12-23.