FastSpring is described as 'trusted global full-service SaaS ecommerce partner for software companies. With FastSpring, companies sell more, stay lean, and compete big' and is a Payment Processing Service in the Business & Commerce category. There are more than 10 alternatives to FastSpring for a variety of platforms, including Online / Web-based, iPhone, Android, iPad and SaaS. The best alternative is PayPal. It's not free, so if you're looking for a free alternative, you could try FoxPay or LinkConnector. Other great apps like FastSpring are Stripe (Paid), PayPro Global (Paid), 2Checkout (Paid) and Avangate (Paid).
Stripe helps you create any type of payments flow—from e-commerce to recurring billing and everything in between. Stripe enables you to accept payments in minutes. Stripe makes recurring and subscription-based billing easy.
Premium global e-commerce platform for companies selling software, SaaS and digital products. Customize and automate your online business processes to reach maximal revenues and optimize your strategy.
2Checkout is the leading all-in-one monetization platform that allows businesses to quickly expand internationally and optimize recurring revenue streams across channels, by simplifying the back-end complexities that modern digital commerce creates.
Datafeedr makes it easy to build and embed an affiliate store into your WordPress blog. No programming required. Promote products from thousands of merchants. Your store automatically updates. Choose from 270+ million products to build your store.