Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). it's an open source Web application (written in PHP) designed for businesses of any sizes, foundations and freelancers.
A framework agnostic, multi-gateway payment processing library for PHP 5.6+
Your web application for managing personal data.
Laravel Cashier provides an expressive, fluent interface to Stripe's subscription billing services.
PHP Payment processing library. It offers everything you need to work with payments: Credit card & offsite purchasing, subscriptions, payouts etc.
Open Source Invoicing Solution for Individuals & Businesses
Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management.
All in One PSA for MSPs, which Unifies client, contact, vendor, asset, license, domain, ssl certificate, password, documentation, file, network and location management with ticketing and billing capabilities, with a client portal on the side.
Payment Bundle providing access to the PayPal API
PAYONE Payment Extension for Magento 2