some comms/fandom events

youtuberecs is a community where you can recommend YouTube videos.

communal_creators is a community based on helping each other start, work on, or finish a project during the months of September and October.

tropetember is a multifandom event celebrating fanfic tropes during the month of September. There will be a new trope prompt every day.

September Sapphics is a flash fiction femslash gift exchange about autumn. Sign-ups are open and will close on August 27th, 8PM UTC.

ficinabox has opened sign-ups until September 3rd, 11:59PM EDT. They are also accepting late nominations through sign-ups.

thestoryinside, a community where you get assigned a buddy who will pick books off your TBR based on voted for themes and vice versa, has opened sign-ups for September.

allbingo is hosting Story Sparks Fest through the month of September. There are pre-made cards or you can make your own with the available prompts.

launchtheship, a low pressure multifandom challenge to write the first fic for a ship, has opened sign-ups and they will stay open until the end of the round in October.