THE DESIRE TO FEEL SUPported, included, and in community with others, online or IRL, is universal. But many huge social media apps today seem more adept at making users feel on the outs—or worse. Algorithmic and content-moderation changes at X (formerly Twitter), for example, have left many users feeling unsafe, distanced from their internet friends, or simply unappreciated if they don't shell out a monthly fee.
“The more a group feels excluded from the mainstream internet, the more they'll look for alternative spaces,” says Ed K. Lin, a sociologist and lecturer at UC Berkeley. This has driven people to try alternative platforms that allow them to congregate by identity groups and interests. Lex, for example, provides a classifieds-style feed for queer people, while Spill, an open-to-all microblogging site, is built…