IMSDB (Internet Movie Script Database)
Huge collection of free screenplays.
BBC Writer's Room
Advice from the BBC on writing for film, TV sitcom, TV drama, short film, radio sitcom, radio drama, and more.
Screenwriting advice and articles: "Navigating the art, craft,and business of film writing. From one who's been there and survived to tell the tale."
Gotham Writer's Workshop
Award winning screenwriting classes online (worldwide) and in New York City.
Also free resources: screenwriting articles and blogs, and more.
ScreenwritingCourses at WritingClasses.com
Assorted screenwriting resources: articles, interviews, screenplay reviews and more.
Official website of screenwriting teacher, Syd Field.
Writer's resources, up-to-date details of script sales, screenplays, interviews and more.
An annual global event in which people sign up for free and write a 100 page screenplay in the month of April, with the support and friendship of the other participants.
"MoviePoet.com is dedicated to the art of screenwriting, in particular, the short screenplay. Each month, we run a free online five page screenplay contest. Our goal is threefold: help writers improve their craft, celebrate our best work, and connect writers and their scripts with filmmakers."
Online city for creative people. Join free, upload scripts, get them reviewed, review other scripts and more.
Official website of screenwriting teacher, Robert McKee.
Official website of screenwriting teacher, Linda Cowgill.
She even answers questions sent by email.
Creative Screenwriting Magazine
A leading screenwriting magazine (also free screenwriting podcasts)
The Visual Writer
Extensive written guides to aspects of screenwriting and more.
Click on the Screen Writing tab on the left to bring up a list of the different areas of screenwriting.
Official website of screenwriting teacher, Christopher Vogler
Huge collection of screenplays and treatments for film, TV and more.
Save the Cat!
Official website of screenwriting teacher, Blake Snyder
Free screenwriting and pre-production software for download.
The Writer's Store
For all your screenwriting supplies.
Also a free articles section.
Official website of screenwriting teacher, Linda Seger
Free online screenwriting software, plus affordable creative support services (screenplay coverage, editing, consulting, registration for copyright purposes).
Official website for screenwriting teacher, Karl Iglesias
Lots of screenwriter interviews, movie news, and more
Official website of screenwriting teacher, Michael Hauge
The full text of Aristotle's Poetics online.
Morphology of the Folk Tale
The full text of Vladimir Propp's Morphology of the Folk Tale online.
36 Dramatic Situations
The full text of Georges Polti's 36 Dramatic Situations online.
Interviews with screenwriters, screenwriting masterclasses, movie reviews, and more.
Interviews with screenwriters and others. Scroll down until you find the long list of people interviewed.
Charlie Rose Interviews
Interviews with screenwriters, directors, actors and others.
Cinema and Fiction
Cinema and fiction articles, interviews, nonfiction reviews, fiction reviews, dvd reviews, links (with a big blog list), and daily writing prompts.
The latest film and TV news and reviews, and more
Extensive coverage of a large range of TV shows, including episode synopses
Official website of film professor, David Bordwell
A site covering popular film genres
The Scrivener's Fancy
All sorts of goodies can be found on this site. Of particular interest for screenwriting are the contributions of comedian/actor/writer/director Tony Martin on film and television
The Hollywood Reporter
Film and TV news and reviews, and more
A site with lots of storyboards by a range of artists.
Info on formatting, debunking screenwriting myths, links, and networking in the LA area.