InvoicePlane is a self-hosted open source application for managing your quotes, invoices, clients and payments. Developed by Kovah
License: Open Source
InvoicePlane is an open-source invoicing solution that offers customization and no subscription fees, making it ideal for users who prefer self-hosting and have technical skills. In contrast, FreshBooks is a cloud-based solution that provides robust features like time tracking and project management, but it comes with a recurring subscription cost.