Yes, both FastSpring and Chargebee offer a Free Trial.
FastSpring is designed for Large Enterprises, Medium Business and Small Business.
Chargebee is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing details for both FastSpring and Chargebee are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to FastSpring includes Chargebee, Paddle, BillingPlatform, ChimpCharge, 2Checkout, EBizCharge, ReCharge, plug&paid, BigCommerce, Selly, PayPro Global and Web.com.
Some top alternatives to Chargebee includes billwerk, Subill, Zuora Billing, Billsby, ChimpCharge, Fusebill, ReCharge, Recurly and RevenueCat.