PayPal, Amazon Pay, Clickfunnels, BuildAHustle, Payhip, Payoneer, ClickBank, FastSpring, Sellfy, GNU Taler, SamCart, Kartra, Post Affiliate Pro, ShareASale, AffiliateWP, Payfunnels, Tapfilliate, Zoho Subscriptions, Subscriptiondna, Cheddargetter, DFY Hero, Cerillion Skyline, Trexle, Spreedly, iDevAffiliate, Evapt, Nummuspay.com, ChargeKeep, SubscriptionBridge are some alternatives to PayKickstart.