Best Subscription Billing tools by public signals

These picks are computed from scored public evidence. Use the openness column in the ranking to separate OSI-approved, source-available, open-core, proprietary, and unverified-license tools.

Use Case Rankings

Ordered by ToolVitals score, health, shipping, confidence, and then adoption as a tie-breaker.

#ToolHealthShippingOpennessStarsScoreStatus
01Flexprice
Usage-based pricing and billing for developers ๐Ÿ”“ Cloud or self-hosted โš™๏ธ No-code UI ๐Ÿ’ฐ Realtime usage metering ๐ŸŽŸ Credits & top-ups ๐Ÿ”‘ Control feature access
9298OSI-approved OSS3.7k96Active
02OpenMeter
Metering and Billing for AI, API and DevOps. Collect and aggregate millions of usage events in real-time and enable usage-based billing.
8587OSI-approved OSS2.2k90Active
03Lago
Open Source Metering and Usage Based Billing API โญ๏ธ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics
9671OSI-approved OSS10.3k89Active
04AI Billing
Billing layer for Vercel AI SDK applications.
8178OSI-approved OSS385Active
05Ubilling
Open-source billing system for ISP and network service management.
8072OSI-approved OSS18082Active
06PayKit
The billing framework for TypeScript. Code-first products, handles Stripe, webhooks, and usage state, runs in your app.
7671OSI-approved OSS1k81Active
07Billmora
Open-source billing management with recurring automation and provisioning.
7283OSI-approved OSS1081Warning
08BillRun
Open source billing and fraud detection system.
7769OSI-approved OSS12778Active
09Panelica
๐Ÿงพ Open-source WHMCS alternative โ€” self-hosted hosting billing & client portal. Laravel 13 + MySQL. Invoicing, domains, SSL, tickets, reseller, multi-language (30 locales), 15 themes. Free & MIT-licensed.
7366OSI-approved OSS2577Warning
10Meteroid
Open-source Pricing and Billing Infrastructure ๐Ÿš€ Subscription management, Invoicing, Pricing, Usage-based billing, Cost limiting, Grandfathering, Experiments, Revenue analytics & Actionable insights
7253OSI-approved OSS1.2k73Warning
11Subscribie
Collect recurring payments online - subscription payments collection automation
7022OSI-approved OSS6361Warning
12Subkit
Laravel subscription management with a Filament UI. Eliminates days of custom billing setup using Stripe via Cashier.
5124OSI-approved OSS3554Warning
13Faveo Invoicing
Faveo Invoicing is an open-source platform for SaaS billing and license management, tailored to meet the needs of software companies.
604OSI-approved OSS24052Warning
14Unimeter
Usage metering engine for billing by customer consumption.
4424OSI-approved OSS150Critical
15Railzway
Self-hosted billing engine for usage-based SaaS โ€” metering, subscriptions, invoicing
360License unknown336Critical

Evidence Watch

Tracked tools with useful public signals but no verdict score yet.

AgentPay AI

Lightweight pay-per-use GenAI agent platform that simulates token-based billing for AI tasks.

79 confidence

Autumn

Autumn is an open-source pricing & billing platform

100 confidence

bframeLib

Open source billing library based in SQL for invoices and diffs.

87 confidence

Bilify

Open-source billing automation software for game hosting.

62 confidence

Bill Flow

Billing, subscriptions, and payments platform.

87 confidence

Ctrlpanel

Billing platform for hosting providers with Pterodactyl integration.

100 confidence

dj-stripe

dj-stripe automatically syncs your Stripe Data to your local database as pre-implemented Django Models allowing you to use the Django ORM, in your code, to work with the data making it easier and faster.

98 confidence

EasyBilling AI

AI-native billing, pricing, payments, and tax infrastructure for AI companies.

72 confidence

FOSSBilling

Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management.

96 confidence

Hostinvo

SaaS web hosting billing platform.

79 confidence

KeyGate

Open source license management platform with subscriptions and usage metering.

85 confidence

Kill Bill

Open-Source Subscription Billing & Payments Platform

100 confidence

Lotus

Open Source Pricing & Packaging Infrastructure

69 confidence

MesaHub

Private SaaS backend for accounts, billing, and multi-tenant API key management.

80 confidence

Meterflow

Usage-based API billing platform.

71 confidence

ngbilling

Open-source billing and rating platform for subscriptions.

57 confidence

NovaBilling

Open-source billing for SaaS with subscriptions, metering, invoices, and wallets.

72 confidence

Paid Memberships Pro

The Trusted Membership Platform That Grows with You: Restrict access to content and charge recurring subscriptions using Stripe, PayPal, and more. Fully open source. 100% GPL.

99 confidence

Recura

Subscription management platform for small businesses.

84 confidence

REMP

Open-source tools for publisher engagement and monetization.

82 confidence

Revstack

Open source billing OS for modern SaaS.

80 confidence

TokenToll

๐Ÿพ TokenToll: is a self-hostable billing infrastructure for LLM APIs and SaaS products. Drop-in SDKs for Node.js and Python, YAML-defined pricing plans, Stripe adapter, and a real-time usage dashboard | The open-source alternative to Lago and Orb.

57 confidence

Usage Credits

Add usage-based credits to a Rails app.

90 confidence