Below is a collection of guides (mostly) tied to genealogy software, everything from a discussion on GEDCOM files and standards to timelines, a dictionary, genealogy software developers and publishers, what programs support what standards or what groups or what languages, etc.

GuideNotes
Companies/
Developers
Companies and Developers (and publishers) that produced genealogy software, programs, and applications
DictionaryAcronyms, Abbreviations, and Terminology relevant to genealogists
Floppy Disk IconFilenamesFilenames and File Extensions generated by genealogy apps
Free SoftwareCurrent listing of free genealogy software
(Not shareware/demos, but actual useful software)
GEDCOMGEDCOM File Format Information
Hall of FameGenealogy Software Hall of Fame
Genealogy programs that have (mostly) stood the test of time.
Latest
Updates
Updated List of Currently Supported & Developed
Genealogy Software
Links3rd-Party Genealogy Software Links
A few of the links that I think are important
Selecting
Software
New to genealogy software? Start here!
Calendar and Clock iconTimelineTimeline of Genealogy Software
(and hardware)