hawkfromhandsaw - Altered Mental States Ficathon - You can still claim prompts but the deadline to post is Sept 12!
Birthdays in the Verse [Firefly] - signups close on Sept 2nd. Lots of prompts taken and lots left!
time_x_space - Dr. Who ficathon; sign ups close on Sept 7th.
Cameron Mitchell Ficathon [SG1] - signups close on Sept 10
Sam/Cam Promptathon - No Deadline.