AH.com's Interwebsite Relations

AH.com has a number of different relationships with several AH-related websites and other websites, including those listed below.

Alternate History Board - The Board is Mother, The Board is Father.
Alternate History.com Wiki - You're currently reading it.
Jared's sub-website - Dedicated to Decades of Darkness and Lands of Red and Gold.

/r/alternatehistory - A subreddit controlled and colonized by AH.com members, with the good help of loyal first Governor metastasis_d.
AH.com's group on Steam

Uchronia - Website specialising in listing as much published AH fiction as possible. Very thorough, highly recommended.
Sea Lion Press - The first specialised publisher of alternate history fiction in the world, founded in 2015 by a few British members of AH.com.
Alternate History Weekly Update - Weekly (and daily) updated blog about all things alternate history. Succeeded by The Alternate Historian.
The Alternate Historian - Blog/vlog and podcast, successor to Alternate History Weekly Update.
Alternate-History-Fiction.com - A site dedicated to promoting alternate history fiction (usually of shorter length) and related AH content. Publishes the anthology periodical AHF Magazine.
OtherTimelines.com - Scenarios, timelines and other neat alternate history content.
AltHist Fiction - The new magazine of Historical Fiction and Alternate History.
Tony Jones' Alternate History Page - Timelines by board member Tony Jones.

Ill Bethisad - A collaborative allohistorical and allolinguistical timeline / worldbuilding project.
Naval Fiction Board - Home to many a naval-themed alternate history, including supplemental material for the Tarrantry series.
Alternate History Hub - YouTube playlist.
Alternate History Yahoo Group

Wikipedia
The Writer's Ark Forum - Founded by Midgard and Doctor What, this forum is dedicated to writing and discussing the writing process. It focuses closely on these topics.
TV Tropes
deviantArt
- Alternate Worlds - deviantArt alternate history group.
- Maps and Flags - deviantArt map and flag group (including AH ones).
Cartographer's Guild

Soc.History.What-If - The late, great, early alternate history fansite and discussion forum.
Counter-factual.net - Sometimes ally, sometimes rival. But we love 'em all the same. After roughly a decade-long existence, C-F.net closed its doors in 2015, but has successors in the Endless Worlds forum and (more loosely) in the Writer's Ark forum.
Alternia - Former foe of AH.com, apparently. Nobody really knew about it before Alternia's desmise.
HistoryAlternate.com - Former smaller alternate history forum, started as a more casual and lower traffic alternative to AH.com.
Endless Worlds - A forum created by Gan on the 11th of September, 2015 after it was announced that C-F.net would be closing. Originally known as “Other History”, before the change to the current name.
List of Defunct AH Sites - On the AH on the Web page.

1940 La France continue - 1940 France fights on - The website is mainly devoted to a collaborative TL where France doesn't surrender in 1940 (hence the title), that was subject to a really important work and self-criticism in order to have a plausible result, being published in two volumes so far.
- Fantasque Time Line - Capricious Timeline - The board, FTL, hosts parallel or even totally different TL.
La Porte des Mondes - The Gate of Worlds - No longer updated, this website is a critic list of published French uchronie as French editions/translations of non-french AH.
Uchronie (Histoire pour Tous) - Uchronie (History for All) - Forum of a larger board about History. Host more than 70 threads, but more about historical speculation than TL writing.
Prix ActuSF de l'Uchronie - Uchronia Awards ActuSF - Awards for published french uchronie.
Uchronews
UtopiaUcronia

alternatehistory.com wiki