Payments
Showing 30 of 30 projects
An open-source payments switch written in Rust that provides modular, composable infrastructure for fast, reliable, and affordable payment processing.
A JavaScript library that transforms any credit card form into an interactive card preview with one line of code.
An open-source API for metering and usage-based billing, supporting hybrid pricing models and self-hosting.
An open-source monetization platform for developers to sell SaaS, digital products, and subscriptions.
Open-source accounting software for small businesses and freelancers, built with Laravel and Vue.js.
A source-available invoicing, quoting, project, and time-tracking application built with Laravel.
A complete implementation of a Lightning Network node for fast, scalable Bitcoin payments.
Open-Source Subscription Billing & Payments Platform
💵 Independent financial accounting with intelligent reporting, alternative to Quickbooks, Xero, Wave.
A comprehensive Java library for building Telegram bots with full support for the latest Bot API features.
Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management.
Bitcoin made easy.
A curated collection of resources for software engineers building billing, payments, pricing and accounting systems.
A curated collection of resources for software engineers building billing, payments, and financial systems for cloud platforms.
A JavaScript library to add payments and subscriptions to browser extensions without needing a backend server.
A scalable ecommerce microservice built on gRPC, providing a clean, powerful, and secure RPC interface for modern online stores.
A payment processing library for Elixir and Phoenix providing a unified API for multiple payment gateways.
Official Ruby library for integrating with the Braintree payment gateway to process transactions.
A Flutter plugin that wraps Square's native In-App Payments SDK for adding secure payment processing to mobile apps.
Angular wrapper library for integrating Stripe Elements and payment processing into Angular applications.
Vue 3 components for Stripe.js, enabling quick and easy payment integrations with full Stripe.js control.
Official .NET library for integrating with Adyen's payment APIs, supporting payments, checkout, payouts, and point-of-sale transactions.
A self-hosted service that turns Bitcoin wallets into webpages providing unique addresses to prevent address reuse.
Retired Java client library for Square Connect v2 API, now replaced by Square Java SDK.
An Elixir library for interacting with the PayPal REST API, handling payments, payouts, billing plans, and agreements.
React Native SDK for integrating Conekta's payment processing into iOS and Android apps.
A comprehensive SDK for building decentralized applications with Substrate blockchains, WASM backend services, and web components.
A demo integration for accepting online payments with Adyen using Angular and Express.
An Angular library for integrating Supabase and Stripe to simplify payments and subscriptions.
MCP server for SuperScalar Bitcoin Lightning channel factories, enabling protocol queries, UTXO savings estimation, and architecture exploration.
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