inspiredby is a comm that posts curated monthly prompt lists.
promote is a place to well, promote your fandoms/events/communities/etc.
finishwhatyoustarted-event is a a multi-fandom, multimedia event focused on finishing existing works in progress that will run from September 1st-October 31st, with a check in on Oct 1st.
itropeyou is a challenge where a trope from TV Tropes will be posted at the start of every month and you have that month to make a work of at least 100 words.
September's trope is 'genre shift'.
kidscomefirst, a multifandom fanwork exchange dedicated to romantic and/or sexual relationships involving at least one underage character, is
open for nominations until September 6th, 11:59PM Eastern.
trickortreatex, a multi fandom fic/art exchange centering around Halloween (though the works don't have been about it) where you can offer/receive a "treat" (sweet/sexy/fluffy) or a "trick" (horror/scary), is
open for nominations until September 8th, 11:59PM UTC.
communal_creators, a place to band together to help each other start, work on, or finish a project in September and October, is
open for sign-ups until September 14th.
smallfandombang, a Big Bang for Small Fandoms, is
open for author sign-ups until October 31st.
sapphicsunflower has
extended their Sapphic Summer femslash fest for another month and it will now end on September 30th.
spies-bingo is a bingo challenge for creators who love spy stories. Sign-ups are open now and the event will run until December 31st.
fancake's theme of the month is: unusual jobs. Click on the banner to find out more! :D