WHMCS

BoxBilling is an open source hosting automation software that is completely free. It offers a robust platform for managing hosting servers, domain registrars, payment gateways, and more, all from a powerful admin panel. Designed to be community-driven, BoxBilling allows anyone to edit the source code and contribute to its development. Its extensible APIs enable users to create custom extensions, making it adaptable to various needs.

BoxBilling is a versatile and powerful tool for anyone looking to manage their hosting and billing needs effectively. Its community-driven nature ensures continuous improvement and updates, making it a reliable choice for users worldwide.