145+ payment tools for developers — Stripe alternatives, subscriptions, checkout, and billing. Bootstrapped and open-source options.
Subscription management platform
A comprehensive Frontend as a Service solution that helps developers create, deploy and manage enterprise ecommerce storefronts with ready integrations and cloud infrastructure.
Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.
Handles currency amounts, provides currency information and formatting
Arbitrary-precision fixed-point decimal numbers
Reduce fraud and speed underwriting with AI-driven risk intelligence for PSPs, banks, and fintechs.
Open source single-click application installer
serverless use of Stripe over Google Cloud Functions
🐍 ☁️ - LongPort OpenAPI provides real-time stock market data, provides AI access analysis and trading capabilities through MCP
Embedded transactional database of accounts, running in multithreaded mode
Offline validity check of IBAN (International Bank Account Number) and retrieval of BIC (for some countries)
Simple and elegant open-source invoicing solution