The Best Open-Source Alternatives to Affirm
Are you looking for a free or self-hosted alternative to Affirm? In 2026, avoiding expensive proprietary software subscriptions is easier than ever. The open-source community has built excellent privacy-friendly tools within the Payments ecosystem. Currently, there are 9 active replacements available, with Bagisto being one of the most prominent selections.
Quick Comparison: Affirm vs. Open Source
Full comparison: Affirm vs. Bagisto ā| Criteria | Affirm | OSS Replacements |
|---|---|---|
| Pricing model | Paid / Monthly Fees | 100% Free / Self-Hosted |
| Data Control | Third-party Servers | Full Ownership & Privacy |
| Customizability | Restricted by Vendor | Unlimited (Modify Codebase) |
Sort alternatives
Choose the metric that should define the list order.
Bagisto
Bagisto is an open-source, headless e-commerce platform that enables secure and customizable checkout processes for businesses of various sizes, providing a flexible alternative to traditional third-party payment gateways like Affirm. With Bagisto, merchants can ensure seamless integration, complete control over data, and enhanced customer trust, all while adhering to stringent data protection standards.
Saleor
Saleor is a highly customizable and scalable e-commerce platform that enables merchants to manage their online stores in a more private and secure manner, providing a compelling alternative to Affirm's payment processing services. Built with a focus on compliance and user control, Saleor offers a seamless checkout experience while safeguarding sensitive customer data.
Sylius is an open-source ecommerce framework that empowers merchants to create scalable, custom online stores without compromising on security or data control, serving as an excellent alternative to Affirm's proprietary payment solutions. By choosing Sylius, businesses can maintain complete ownership of their customer data and ensure seamless, risk-free payments.
Shopware is a comprehensive, open-source e-commerce platform that empowers businesses to build and manage online stores with full control over their data, making it an ideal alternative to Affirm's closed-system payment solutions. This robust platform offers a range of customizable features, seamless integration with popular payment gateways, and a strong focus on data security and customer privacy.
GrandNode is a comprehensive, open-source e-commerce platform that empowers online merchants to manage transactions, subscriptions, and recurring payments seamlessly, all while maintaining user data control and adhering to strict privacy standards. As a notable alternative to Affirm, GrandNode offers a scalable, customizable solution for businesses seeking a secure and transparent payment gateway that prioritizes user confidentiality.
GrandNode is an open-source, headless e-commerce platform offering a seamless, customizable payment experience similar to Affirm, but with a commitment to user data privacy and control. With GrandNode, merchants can integrate a transparent, consumer-centric payment solution without compromising on data protection or sacrificing scalability.
Virto Commerce is a scalable, open-source e-commerce platform that empowers businesses to create omnichannel shopping experiences, providing a cost-effective and highly customizable alternative to proprietary solutions like Affirm. By leveraging Virto Commerce, merchants can maintain complete control over their data and operations, ensuring a robust and privacy-friendly e-commerce infrastructure.
OroCommerce is an open-source, e-commerce platform that empowers businesses to create robust, custom online stores while prioritizing data ownership and security, offering a strong, privacy-friendly alternative to traditional payment processors like Affirm. By leveraging OroCommerce, merchants can establish a seamless, omnichannel shopping experience, securely managing transactions and sensitive customer data in-house.
GetCandy is a free, open-source alternative to Affirm, providing a modular, customizable payment gateway system that enables merchants to offer interest-free, installment-based payment plans without sacrificing customer data privacy. By giving businesses control over payment infrastructure, GetCandy preserves customer data and fosters a more secure online shopping experience.
Frequently Asked Questions
What is the best open source alternative to Affirm?
Based on GitHub community data (including star count and fork activity), Bagisto stands out as one of the most reliable open-source replacements for Affirm today.
Why should I use an open-source replacement instead of Affirm?
Switching to an open-source solution ensures complete data sovereignty, protects your software environment from sudden vendor price hikes, and gives you full transparent control over your tech-stack metadata.