What is the chronological order of the Sword Art Online (anime) franchise? Sword Art Online anime franchise includes movies and/or specials, like:


Sword Art Online II
Sword Art Online: Alicization
Sword Art Online Alternative Gun Gale Online
Accel World, etc.


I like to watch things in chronological order whenever I can help it.

What is the chronological order for the whole franchise?
In Accel World S1E22 ~17:00, the main character is doing some research which references the NerveGear.
(English Dub)

NerveGear :  The first VR Machine of the 2020's

Therefore, the story timeline place Accel World after SAO.
Combined with various Wikipedia articles,  chronological order of the Anime is:

Sword Art Online
Sword Art Online Extra Edition (movie)
Sword Art Online 2
Sword Art Online : Ordinal Scale (movie)
Alternative Gun Gale Online (side story series)
Accel World
Sword Art Online : Alicization
Sword Art Online:  Alicization - War of Underworld
Sword Art Online:  Alicization - War of Underworld Part 2

A source of info is on Fandom.