PayPal, OnlyFans, Patreon, Ko-fi, Wallet One, SuperPay, Liberapay, PaymentSpring, pixivFanbox, Fansz Link, Goteo, uTip, Payoneer, PayRequest, Flattr, GNU Taler, Trans Pay, TOP4FANS, BackersBox, BackMyArt, NotOnlyFans, Coindrop, Cloud Patron, GURUCAN, Thankful, Tip4Commit, CommitChange, GitCom, beerpay, ChangeTip, Supporter, xs:code are some alternatives to Open Collective.