Hyperswitch
A unified payment infrastructure that connects multiple payment processors through a single API integration, enabling global payment processing
Lago
Open-source billing system that handles metering, usage-based pricing, and invoicing at scale. Perfect for AI, cloud, and API companies needing flexible monetization.
Polar
Comprehensive payment solution with built-in tax handling, automated benefits, and seamless integrations for digital product and SaaS businesses.
Gumroad
A digital marketplace platform where creators can sell digital products, from courses to software, with built-in payment processing and content delivery.
Paymenter
Automate subscriptions and manage payments with a flexible, open-source billing system designed specifically for hosting providers.
Formance
Build custom financial flows and integrate with any provider using Formance's agnostic platform
featul
Collect feedback, plan with roadmaps, and share updates all in a simple, privacy-first platform.