Open 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 reconciliation

Shardeum is an EVM based autoscaling blockchain

Saleor Core: the high performance, composable, headless commerce API.

💳 make your credit card form better in one line of code

Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

Turn your software into a business.

Online Accounting Software

A source-available invoice, quote, project and time-tracking app built with Laravel

Lightning Network Daemon ⚡️

The user infrastructure platform. You choose the frontend, backend, and database. Hexclave handles everything else.

How to implement Stripe without going mad

Open-Source Subscription Billing & Payments Platform

💵 Independent financial accounting with intelligent reporting, alternative to Quickbooks, Xero, Wave.

开源优雅的跨平台收款网关 GM Pay(formerly known as EPUSDT)

Mastering the Lightning Network (LN)

Payments for Ruby on Rails apps

Raiden Network

dj-stripe automatically syncs your Stripe Data to your local database as pre-implemented Django Models allowing you to use the Django ORM, in your code, to work with the data making it easier and faster.

Open source, zero webhooks payment provider

Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management.