Reddit, Hacker News, Steemit, Mlem, Poal.co, /kbin, Tildes, SaidIt.net, Upvotocracy, Phuks, Plozee, Remmel, Ruqqus.com, Jerboa for Lemmy, Taringa!, Lobsters, notabug.io, Raddle, Echo JS, Discuit, Thunder Lemmy Client, WikiSpooks.com, demcra, duno.com, Thymble, Headcycle, Partiko, Postmill, Anancus, Voten, Prismo, Bizz Gag, Pythonic News, SoylentNews, PeakD are some alternatives to Lemmy.