FastSpring

Summary
FastSpring is a global payment processing and subscription management platform. It offers services such as fraud prevention, tax compliance, and localized checkout experiences. The platform also provides reporting and analytics to help businesses understand their subscription performance.
Rationale
FastSpring provides global payment processing, subscription management, fraud prevention, and reporting/analytics, aligning with the must-have features of the Stripe Payments Platform. They also emphasize multi-currency support and global payment methods, indicating a strong overlap in functionality.
Features
Must Have

Payment Processing

Billing & Subscription Management

Fraud Detection

Dashboard & Reporting

Other

Multi-Currency Support

Global Payment Methods