Payments & Billing
Stripe libraries, LemonSqueezy, Paddle SDKs
Showing 1-20 of 160 projects
juspay/hyperswitch
Open-source payments switch for fast, reliable, and affordable payment processing
nextjs/saas-starter
A Next.js SaaS starter kit with Postgres, Stripe, and a UI library for quick app development.
midday-ai/midday
An open-source platform for freelancers that provides invoicing, time tracking, file management, and a personal AI assistant.
assimon/dujiaoka
This is an open-source self-service sales solution for website owners, featuring high efficiency, stability, and speed.
pixeltris/TwitchAdSolutions
A library for managing Twitch ads in a developer-friendly way.
polarsource/polar
Polar is a SaaS toolkit that helps developers turn their software into a sustainable business.
getlago/lago
Open-source metering and usage-based billing API for consumption tracking, subscription management, pricing, and revenue analytics.
Open-Dev-Society/OpenStock
OpenStock is an open-source alternative to expensive stock market platforms, providing real-time prices, alerts, and company insights.
JeffreySu/WeiXinMPSDK
A C# SDK for WeChat that supports public accounts, mini programs, payments, enterprise, and more
aimeos/aimeos-laravel
Laravel ecommerce package for building ultra-fast online shops, scalable marketplaces, and complex B2B applications.
wuxingsanren/wildcat-vip-account
Platform for sharing free VIP accounts and content downloads across various services
crater-invoice-inc/crater
Open source invoicing and billing solution for individuals and businesses built with Laravel and Vue.js
vercel/nextjs-subscription-payments
A SaaS subscription application boilerplate with Next.js, Stripe, and Supabase for vibe coders.
btcpayserver/btcpayserver
Open-source Bitcoin payment processor that allows you to accept Bitcoin payments for your business or project.
tigshop/Tigshop
An open-source enterprise-level e-commerce system with cutting-edge tech stack, supporting multiple platforms and highly customizable.
bizz84/SwiftyStoreKit
Lightweight Swift framework for handling In-App Purchases on iOS, tvOS, and macOS
vercel/platforms
A full-stack Next.js app with multi-tenancy for building developer discovery platforms focused on vibe coders.
thedevdojo/wave
A powerful SaaS boilerplate built with Laravel and Tailwind CSS to help developers build subscription-based web apps.
Javen205/IJPay
An open-source Java library that provides a unified API for common payment gateways like Alipay, WeChat Pay, and more.
jeequan/jeepay
Jeepay is an open-source payment system suitable for internet companies, supporting multiple payment channels and merchant modes.
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