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 2013, it hasn't have been updated and its copyright still ends at 2006.

A guide book or travel guide is "a book of information about a place, designed for the use of visitors or tourists". Travel guides can also take the form of travel websites such as the free and open Wikivoyage.