I compiled a list of useful resources off my twitter followings and daily/weekly browsing, in no particular order.
British Film Institute
7D Labs: For Canon EOS 7D DSLR Enthusiasts and Filmmakers
Film and Festivals Magazine
Sundance Institute and the Sundance Film Festival
Film Funding Club: articles, events, and other film funding material
Withoutabox: Huge database for Film Festival submissions and entries
Cinema School founded by Robert Shutter
Script Magazine contributor, Screenwriter
MedFilmFactory: Professional training for Arab Film Producers and Directors
Scott Myers website
WORDPLAY: Pro screenwriting secrets from working screenwriters Ted Elliott & Terry Rossio
Scribomatic: Latest posts from Screenwriting Blogs
PDF Scripts! Lots of them
ScreenwritingU: Advanced and Professional Screenwriting Advice
Script Magazine: Top Screenwriting/Film Publication published by Final Draft, Inc.
Blog: news, insight, and articles for screenwriters in los angeles and around the world
Creative Screenwriting Magazine: The other screenwriting magazine.
Tribeca Institute and Film Festival
indieWIRE: News and Info for the Independent Film Community
The Script Lab: Comprehensive Screenwriting Resource
The Academy of Motion Picture Arts and Sciences
ImageNation Abu Dhabi
MAISHA Film Labs: Training for (mainly) East African Filmmakers
Guide to Shooting Locations Worldwide
Errol Morris
David Lynch
Michael Moore
Leading Independent Documentary Community
Abu Dhabi Film Commission
Unknown Screenwriter/Producer
Doha Film Institute
Asia-On-Screen: A project to bring the best East Asian Cinema
Screen International
Screenwriter Resources
Docs in Progress, Documentary Community
Screenwriting Resources
Best Screenplays NEVER Made
International Screenwriters' Association
The Infamous Drew's Script-O-Rama
