a few more current and upcoming events/challenges
ladiesbingo is a Bingo challenge based on relationships between women. Sign-ups and posting are both currently open and will go on until this round ends on March 31, 2022. Find out more details, including links to the prompts and where you can sign-up here.
multifandomdoodle, a low pressure, AO3 based art exchange, which doesn't have any requirements or expectations in regard to skill set, is currently accepting sign-ups until November 14, 11:59 PM UTC. More details can be found this way.
steggyfanevents is running a Steve/Peggy Secret Santa and will be open for sign-ups until December 3rd. More details are here.
newyearcntdown is a December prompt based fest, with 50 prompts to choose from and various levels of difficulty. Fest Info and rules are here and you can sign-up here.