The BBC's How to Write pages are an excellent resource for writers. Learn how to write a novel, a radio play or screenplay, download resources and templates, meet several well known writers who work with the BBC.
Roger C Parker's Writing Coaches Services, and resources. A membership subscription gives you access to interviews, resources, mind mapping how-tos, templates, forums, newsletters and tips, video content and webinars.
Delivered in electronic e-book form, The Freelance Writers Business Kit contains templates and examples for the freelance writer. Now out as the 4th edition, this kit costs $11.95 currently.
Mindjet MindManager Pro - commercial software for mindmapping, with online collobaration, integration with MS Office, PDF outputs, Gantt Chart integration, a web side, and copious features, templates etc.