Open Source Alternatives to Zoho Invoice

An invoicing software for small businesses, freelancers, and entrepreneurs that manages billing, payments, and follow-ups. The platform allows users to create professional invoices and quotes, track project hours via timesheets, and record billable expenses. It includes automated payment reminders and a self-service customer portal where clients can view credits, approve quotes, and pay invoices via credit cards, bank transfers, PayPal, and cash. The software provides financial reports on sales, receivables, and expenses while integrating with other Zoho applications. It is deployed as a cloud service with dedicated mobile applications for iOS and Android to ensure data is up to date across devices.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Zoho Invoice give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 4 open source alternatives to Zoho Invoice. The most popular are Crater, InvoicePlane and InvoiceShelf. Most use the AGPL-3.0 or MIT license, and 4 offer an official Docker image.