Open Source Alternatives to Paddle

A merchant of record platform for digital product businesses that manages payments, tax, compliance, and billing across more than 300 markets. The software provides tools for subscription management, localized checkout, and regulatory compliance to help businesses scale globally. It includes ProfitWell Metrics for tracking real time revenue and retention, as well as Retain for recovering failed payments and reducing cancellations. The platform is designed for SaaS and mobile app developers to reduce operational overhead by automating sales tax remittance and providing fraud prevention and liability coverage. It is deployed as a unified platform that handles the entire financial and legal operational layer of digital sales, allowing companies to sell in multiple international markets without managing individual tax filings.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Paddle give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 3 open source alternatives to Paddle. The most popular are Polar, Flowglad and UniBee. Most use the AGPL-3.0 or Apache-2.0 license, and 3 offer an official Docker image.