Payments middleware

8 reusable Payments middleware libraries across every platform — libraries, SDKs, and drop-in systems. You should never have to know which ecosystem it lives in.

• crm-with-blockchain-ai-rag

  by Moiz-Ali-Moomin · Free · github

  AI-native CRM with RAG pipeline, blockchain-verified deals, and programmable financial rails for modern sales teams

  AIMemoryPaymentsWorkflow   TypeScript

• FloCafe

  by FreeOpenSourcePOS · Free · github

  Free Open Source Cafe & Restaurant POS | Mac App Store: https://apps.apple.com/in/app/flo-cafe/id6763136018 | Microsoft Store: https://apps.microsoft.com/detail/9n1md6585p4q

  Payments   TypeScriptElectronNode.js

• frihet-mcp

  by Frihet-io · Free · github

  Official MCP server for Frihet ERP — 157 tools for AI-powered invoicing, tax & e-invoicing compliance (VeriFactu, TicketBAI, Facturae), banking, CRM, HR/payroll & POS. Works with Claude, Cursor, Windsurf, Cline, ChatGPT.

  AIPaymentsAutomation   TypeScript

• grantledger-platform

  by dyslexofly · Free · github

  Manage complex billing workflows with clear rules, reliable processing, and scalable architecture for SaaS platforms.

  PaymentsAPI   TypeScriptNode.js

• Medusa

  by Medusa · Free · MIT · middleware

  Open-source commerce platform and toolkit for building custom online stores in Node.js.

  CommercePayments   Node.jsTypeScript

• SpotHopper

  by John-Athanassious-seagen2 · Free · github

  Deliver an enterprise-grade dark mode design concept that enhances multi-location restaurant growth with clear data visuals and focused messaging.

  UIPaymentsAutomation   TypeScriptReact

• t2000

  by mission69b · Free · github

  Agentic finance infrastructure.

  AIPayments   TypeScript

• tokenpanel

  by tokenpanel · Free · github

  Open-source AI reseller panel with customer API keys, prepaid balances, usage limits, model pricing, and profit analytics.

  AIPaymentsAPI   TypeScript