GitHub stars · StarDay

1juspay / hyperswitchOpen source, composable payments platform | PCI compliant | SaaS and Self-host options | Enables connectivity to multiple payment, payout, fraud, vault and tokenization providers | Uplifts authorization with intelligent routing and revenue recovery | Reduce payment processing costs with cost observability | Reduces payment ops with reconciliationRustApache-2.0 · Permissive45,732

2nextjs / saas-starterA SaaS starter combining Next.js, PostgreSQL and Stripe.TypeScriptMIT · PermissiveInactive16,249

3OpenByteInc / QuantDingerOpen-source AI Trading OS, agent trading, and vibe trading, with Jev System One integration. Research, build Python strategies, backtest, and paper/live trade across crypto, stocks, and forex. Launch your own multi-tenant trading SaaS with built-in user management, billing, payments, and settlement.PythonApache-2.0 · Permissive13,585

4flexprice / flexpriceUsage-based pricing and billing for developers 🔓 Cloud or self-hosted ⚙️ No-code UI 💰 Realtime usage metering 🎟 Credits & top-ups 🔑 Control feature accessGoAGPL-3.0 · Share derivative source6,873

5t3dotgg / stripe-recommendationsHow to implement Stripe without going madMIT · PermissiveInactive6,461

6yournextstore / yournextstoreAI-Native Open-Source Next.js commerce. Powered by Stripe. Ultra fast with typesafe Commerce SDK. Built for AI development (Claude, Codex, Cursor).TypeScriptMIT · Permissive5,539

7sadmann7 / skateshopAn open source e-commerce skateshop build with everything new in Next.js.TypeScriptMIT · PermissiveInactive5,428

8stripe / stripe-nodeNode.js library for the Stripe API.TypeScriptMIT · Permissive4,556

9stripe / stripe-phpPHP library for the Stripe API.PHPMIT · Permissive4,029

10mickasmt / next-saas-stripe-starterOpen-source SaaS Starter with User Roles, Organizations & Admin Panel. Built using Next.js 16, Better Auth, Drizzle, Neon, Fumadocs, Shadcn/ui, Stripe, Server Actions.TypeScriptMIT · Permissive3,013

11Paymenter / PaymenterFree and open-source webshop solution for hostingsPHPMIT · Permissive2,830

12openmeterio / openmeterMetering and Billing for AI, API and DevOps. Collect and aggregate millions of usage events in real-time and enable usage-based billing.GoApache-2.0 · Permissive2,439

13scosman / CMSaasStarterA modern SaaS template/boilerplate built with SvelteKit, Tailwind, and Supabase. Includes marketing page, blog, subscriptions, auth, user dashboard, user settings, pricing page, and more.SvelteMIT · PermissiveInactive2,371

14adrianhajdin / ecommerce_sanity_stripeModern Full Stack ECommerce Application with StripeJavaScriptLicense not declaredInactive2,314

15Payum / PayumPHP Payment processing library. It offers everything you need to work with payments: Credit card & offsite purchasing, subscriptions, payouts etc.PHPMIT · Permissive1,926

16codingforentrepreneurs / eCommerceWe're going to take you step-by-step to build a modern, fully open-source, eCommerce web application using Python, Django, Bootstrap, Javascript, and more.PythonLicense not declaredInactive1,773

17vue-stripe / vue-stripeStripe Elements and Checkout as Vue componentsTypeScriptMIT · Permissive1,125

18stripe / elements-examplesStripe Elements examples.HTMLMIT · PermissiveInactive1,008

19awesomemotive / easy-digital-downloadsSell digital downloads through WordPressPHPGPL-2.0 · Share derivative source893

20Payum / PayumBundlePayum offers everything you need to work with payments. From simplest use cases to very advanced ones.PHPMIT · Permissive580