Inktip, unique screenwriting site bringing together your screenplays and film professionals

InkTip: Finding good screenplays and professional writers on InkTip. Access is free to qualified producers, directors, agents, managers, and name actors.

Raindance UK, Indie Filmmaking Site including Screenwriting Information and Courses

Raindance - information and how-to-tips for independent filmmakers worldwide, articles written by members of the Raindance team and industry professionals detailing the tricks and traps for filmmaking on little to no budget.

Arvon - Main Site - provides writing courses covering many aspects and genres

The John Osbourne Arvon Centre, part of the Arvon Foundation.