whumpgifathon is a whump based gifmaking challenge that takes place in August.

augustwritingchallenge is a daily prompt based challenge that focuses on various Alternate Universes and takes place in August.

fallingforyoufallexchange, an exchange dedicated to getting together romance tropes set in the fall, is still open for sign-ups until July 31st, 8PM EDT.

thestoryinside, a community where you get assigned a buddy to pick a few books off your TBR based on the voted on themes and vice versa, is opened for August sign-ups. They will close at the end of the day on July 31st.

ficinabox is open for Nomination Pre-Gaming, where you can request transfers from last year's tagset into the new one, until August 2nd.

ships_crossing, a multifandom exchange that celebrates crossovers and fusions, is accepting nominations until August 8th, 10PM EDT.

seasonsofdrabbles, an exchange for the creation of drabbles and drabble variants that runs once a season, has opened nominations for its Summer Round until August 11th, 11:59PM EDT.

sunflower_auction, an online fanworks auction, designed to raise money for nonprofit organizations that support the people of Ukraine, is open for creator sign-ups until August 13th, 11:59PM UTC.