AMPAS - Academy of Motion Picture Arts and Sciences, store, museum, and more.
Apple - Still the largest company?
B&H Photo - Huge selection of all the best filmmaking gear.
The Business - Podcast about the film business
CineD - Excellent audio video gear reviews

Deadline - More Hollywood trade talk. 

DGA - Directors Guild of America 

DOCNYC - Lots of news and annual NYC Doc Film Fest

Doculink - Online forum for documentaries. 

D-Word - Documentary community

Eoin O'Connor - Wonderful Irish artist
Facebook - Connect, promote, lurk...
FC - Filmmakers Collaborative, fiscal sponsorship, events, blog...

FCP Cafe - Everything about Final Cut Pro
Filmweek - Podcast reviews new films. 

Good Docs - Educational film distribution

Hollywood Reporter - Trade paper

Hotdocs - The largest doc film fest in North America

IDA - International Documentary Association, in transition

IMDB is the free Internet Movie Data Base of films and filmmakers. Also a paid version. 

JustWatch  Where to watch all your films and documentaries

Kino-Eye - Documentary resources

Letterboxd Share and view reviews of all films. 

Los Angeles Times - The local newspaper

New York Times - The paper of record

Nonfics - Real Stories  Real Insights

RealScreen - Doc and reality publication and Summit

Redshark - Hi Tech production, post, and more

ReelGood -  All your streaming services in one place

Riverside.fm - The video platform we record Westdoc on. 

Variety - Hollywood trade paper
Video Consortium - Supporting nonfiction filmmakers

Vimeo - Slightly better video experience. 

Washington Post - Democracy dies in darkness

YouTube - Second largest search site.