Best Open-Source Payments & Billing | open-source.storeAll categoriesPayments & Billing
Payment gateways, recurring subscriptions, and checkout logic.
14 tools found 
Hyperswitch
Hyperswitch is an open-source payment orchestration switch that routes transactions across Stripe, Adyen, and other gateways to reduce processing costs.
45.7kLinuxmacOSWindowstoday Apache-2.0Payments & Billing

Lago
Lago is an open-source metering and billing engine replacing Stripe Billing with self-hosted usage tracking and decoupled payment gateway orchestration.
10.7kLinuxmacOSWindowstoday AGPL-3.0Payments & Billing

Invoice Ninja
Invoice Ninja is an open-source, self-hosted invoicing and billing platform that replaces single-rail tools with multi-gateway client management.
10.5kLinuxmacOSWindows2d ago AGPL-3.0Payments & Billing

Gumroad
An open-source digital storefront and checkout platform that connects to your own Stripe account, replacing 10% platform cuts with self-hosted control.
MITPayments & Billing

BTCPay Server
BTCPay Server is a self-hosted crypto payment processor that lets teams accept Bitcoin with zero transaction fees and full control over private keys.
7.9kLinuxmacOSWindows1d ago MITPayments & Billing

Flexprice
Open-source usage-based billing engine replacing Stripe Billing with real-time metering, credit wallets, and self-hosted control.
AGPL-3.0Payments & Billing
Lint, codegen, breaking-change checks and dependency management in one Git-native CLI. Open source, no registry lock-in.
lintgeneratebreakingeasyp.lock

Kill Bill
Kill Bill is an open-source billing platform replacing Stripe Billing with self-hosted subscription lifecycles and multi-gateway payment routing.
5.8kLinuxmacOSWindows6d ago Apache-2.0Payments & Billing

Ballerine
Open-source risk orchestration platform replacing SEON and Sumsub for self-hosted KYC, KYB workflows, and compliance case management.
Payments & Billing

OpenMeter
OpenMeter replaces proprietary usage-based billing services like Stripe Billing with a real-time, ClickHouse-backed metering engine for APIs and AI.
Apache-2.0Payments & Billing

Meteroid
Meteroid is an open-source alternative to Stripe Billing and Orb, providing Rust-powered usage metering and hybrid subscription billing on your own hosts.
AGPL-3.0Payments & Billing

BillaBear
Self-hosted subscription management and billing system that decouples billing logic and tax rules from Stripe.
Payments & Billing

Formance
Open-source financial ledger and money flow engine with double-entry tracking, Numscript transaction modeling, and automated bank reconciliation.
Payments & Billing
Windows
2d ago
AGPL-3.0Payments & Billing
Windows
1d ago