Clarion West Writer’s Workshop A six-week intensive writing program held in Seattle.
Online Writing Workshop for SF, Fantasy and Horror One of the best online writing workshops around.
Liberty Hall An excellent forum for writers. Liberty Hall provides writing prompts, flash challenges, and short story challenges.
Codex Writer’s Group For neo-pro writers. Certain credentials are required for joining this group.
Villa Diodati Workshop For English-language writers of fantasy and science fiction in Europe.
The Carl Brandon Society. Dedicated to increasing racial and ethnic diversity in the production of and audience for speculative fiction. The Carl Brandon Society also manages the Octavia Butler Scholarship Fund.
Broad Universe. An international organization with the primary goal of promoting science fiction, fantasy and horror written by women.
The Clarion Blog Regularly updated, contains tips, insights, entries from instructors and writers. A good venue to visit if you are unable to attend either Clarion West or Clarion San Diego.