A general section on the Mockingboard has been added to the Apple II Information Wiki, Mockingboard as well as some disk images have been made available at http://apple2.info/downloads

Our mission is to serve as a reference point for Apple II software, hardware and the like. It is not intended to be another Apple II history site, but more targeted toward reference materials such as hardware configuration, compatibility guides, repair tips, hardware hacks and mods, and related sub-topics. MediaWiki has been chosen as the presentation [...]

Apple IIgs RGB Monitor schematics are available in US Letter sized sheets, sorry, it’s all I have. Some time ago these were input in Autocad and printed to tabloid sheets. The electronic versions have long disappeared. The first of three sheets is a single US Letter page and the second two are presented as two [...]

The Original csa2 (comp.sys.apple2) usenet FAQ is available via wikimarkup and is an ongoing community project.  Interested in helping out? Check out http://apple2.info/wiki for information on how to get involved!

The Apple II Web Reference, originally located at http://apple2.org has been updated and converted to wiki markup. The A2 Web Reference is an Apple II hardware compatibility matrix for such things as disk drives, memory cards, SCSI cards, monitors, etc. 

This ProDOS 8 Technical Reference is viewable as an inline complete document, (may not work with some browsers) or as individual chapters. ProDOS 8 P8_Tech_Ref_Inline Technical Reference – COMPLETE DOCUMENT or single chapters: P8_Tech_Ref