Finance & Billing
Subscription Billing
Recurring billing, usage-based pricing, and subscription operations.
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, then health, shipping, confidence, GitHub stars, and name.
| # | Tool | Health | Shipping | Openness | Stars | Score | Status |
|---|---|---|---|---|---|---|---|
| 01 | Flexprice Usage-based pricing and billing for developers 🔓 Cloud or self-hosted ⚙️ No-code UI 💰 Realtime usage metering 🎟 Credits & top-ups 🔑 Control feature access | 97 | 97 | OSI-approved OSS | 6.9k | 97 | Active |
| 02 | OpenMeter Metering and Billing for AI, API and DevOps. Collect and aggregate millions of usage events in real-time and enable usage-based billing. | 95 | 94 | OSI-approved OSS | 2.4k | 95 | Active |
| 03 | Panelica 🧾 Open-source WHMCS alternative — self-hosted hosting billing & client portal. Laravel 13 + MySQL. Invoicing, domains, SSL, tickets, reseller, multi-language (30 locales), 15 themes. Free & MIT-licensed. | 94 | 96 | OSI-approved OSS | 111 | 95 | Active |
| 04 | FOSSBilling Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management. | 95 | 93 | OSI-approved OSS | 1.7k | 94 | Active |
| 05 | Autumn Autumn is an open-source pricing & billing platform | 93 | 89 | OSI-approved OSS | 2.8k | 91 | Active |
| 06 | Lago Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics | 92 | 87 | OSI-approved OSS | 10.7k | 90 | Active |
| 07 | Kill Bill Open-Source Subscription Billing & Payments Platform | 91 | 88 | OSI-approved OSS | 5.8k | 90 | Active |
| 08 | REMP Open-source tools for publisher engagement and monetization. | 90 | 87 | OSI-approved OSS | 137 | 89 | Active |
| 09 | BillRun Open source billing and fraud detection system. | 91 | 84 | OSI-approved OSS | 132 | 88 | Active |
| 10 | KeyGate Open source license management platform with subscriptions and usage metering. | 89 | 85 | OSI-approved OSS | 173 | 87 | Active |
| 11 | Ubilling Open-source billing system for ISP and network service management. | 83 | 84 | OSI-approved OSS | 186 | 83 | Active |
| 12 | Billmora Open-source billing management with recurring automation and provisioning. | 81 | 80 | OSI-approved OSS | 19 | 81 | Active |
| 13 | PayKit The billing framework for TypeScript. Code-first products, handles Stripe, webhooks, and usage state, runs in your app. | 77 | 83 | OSI-approved OSS | 1.1k | 79 | Active |
| 14 | Subkit Laravel subscription management with a Filament UI. Eliminates days of custom billing setup using Stripe via Cashier. | 77 | 65 | OSI-approved OSS | 37 | 72 | Active |
| 15 | NovaBilling Open-source billing for SaaS with subscriptions, metering, invoices, and wallets. | 76 | 66 | OSI-approved OSS | 4 | 72 | Active |
| 16 | Meteroid Open-source Pricing and Billing Infrastructure 🚀 Subscription management, Invoicing, Pricing, Usage-based billing, Cost limiting, Grandfathering, Experiments, Revenue analytics & Actionable insights | 75 | 57 | OSI-approved OSS | 1.4k | 68 | Warning |
| 17 | Usage Credits Add usage-based credits to a Rails app. | 69 | 62 | OSI-approved OSS | 168 | 66 | Warning |
| 18 | AI Billing Billing layer for Vercel AI SDK applications. | 69 | 44 | OSI-approved OSS | 3 | 59 | Warning |
| 19 | Faveo Invoicing Faveo Invoicing is an open-source platform for SaaS billing and license management, tailored to meet the needs of software companies. | 63 | 41 | OSI-approved OSS | 243 | 54 | Warning |
| 20 | 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. | 61 | 33 | OSI-approved OSS | 1.8k | 50 | Warning |
| 21 | Lotus Open Source Pricing & Packaging Infrastructure | 43 | 10 | OSI-approved OSS | 1.8k | 30 | Critical |
| 22 | Ctrlpanel Billing platform for hosting providers with Pterodactyl integration. | 35 | 2 | OSI-approved OSS | 504 | 22 | Critical |
| 23 | Subscribie Collect recurring payments online - subscription payments collection automation | 27 | 6 | OSI-approved OSS | 63 | 19 | Critical |
| 24 | Unimeter Usage metering engine for billing by customer consumption. | 12 | 3 | OSI-approved OSS | 3 | 9 | Critical |
Not Scored
Tracked for context, but excluded from rankings because comparable open/source-visible evidence is unavailable.
AgentPay AI
Lightweight pay-per-use GenAI agent platform that simulates token-based billing for AI tasks.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.EasyBilling AI
AI-native billing, pricing, payments, and tax infrastructure for AI companies.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.Hostinvo
SaaS web hosting billing platform.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.MesaHub
Private SaaS backend for accounts, billing, and multi-tenant API key management.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.Meterflow
Usage-based API billing platform.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.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.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.Railzway
Self-hosted billing engine for usage-based SaaS — metering, subscriptions, invoicing
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.Recura
Subscription management platform for small businesses.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.Revstack
Open source billing OS for modern SaaS.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.TokenToll
🐾 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.
ToolVitals does not score proprietary or unknown-license tools because their public source evidence is not comparable to open/source-visible projects.