AmigaGuide is a hypertext system created by Commodore. AmigaGuide is the standard format for online documentations on Amiga computer (running under AmigaOS). AmigaGuide viewers are also available for other platforms, like Windows or Linux.
More information can be found on:
General Overview on Amiga Computer: http://www.tutorgig.com/encyclopedia/getdefn.jsp?keywords=Amiga
AmigaGuide: A Hypertext Documentation System: http://www.reality-check-inc.com/aguide.htm (functional overview)
AmigaGuide (general overviews with links to AmigaGuide viewers for other operating systems): http://www.tutorgig.com/encyclopedia/getdefn.jsp?keywords=Amigaguide
The AmigaGuide Manual. The complete documentation of AmigaGuide commands. By Aric R. Caley (1995): http://www.lysator.liu.se/amiga/code/guide/amigaguide.guide (detailed AmigaGuide format description)
AmigaGuide Tags and Commands: http://www.safalra.com/hypertext/amigaguide/ (AmigaGuide format overview)
How To Write an AmigaGuide: http://ale.emuunlim.com/write-amigaguide.htm