ToolVitals

Finance & Billing

🧾

Subscription Billing

Recurring billing, usage-based pricing, and subscription operations.

36 tools tracked, 35 scored verdicts

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.

Best overallInvoice Ninja96 score License-safe pickFlexpriceOSI-approved OSS Fastest shippingInvoice Ninja98 shipping

Use Case Rankings

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

# Tool Health Shipping Openness Stars Score Status
01 Invoice Ninja
A source-available invoice, quote, project and time-tracking app built with Laravel
 92 98 License unknown 9.8k 96 Active
02 Flexprice
Usage-based pricing and billing for developers 🔓 Cloud or self-hosted ⚙️ No-code UI 💰 Realtime usage metering 🎟 Credits & top-ups 🔑 Control feature access
 92 95 OSI-approved OSS 3.6k 95 Active
03 AI Billing
Billing layer for Vercel AI SDK applications.
 81 95 OSI-approved OSS 2 90 Active
04 FOSSBilling
Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management.
 86 87 OSI-approved OSS 1.6k 89 Active
05 Lago
Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics
 93 71 OSI-approved OSS 9.8k 88 Active
06 lakasir
POS open-source, simple things only need simple solutions
 79 80 OSI-approved OSS 886 82 Active
07 Kill Bill
Open-Source Subscription Billing & Payments Platform
 78 63 OSI-approved OSS 5.6k 79 Active
08 Autumn
Autumn is an open-source pricing & billing platform
 77 66 OSI-approved OSS 2.6k 79 Active
09 BillRun
Open source billing and fraud detection system.
 77 69 OSI-approved OSS 128 78 Active
10 Meteroid
Open-source Pricing and Billing Infrastructure 🚀 Subscription management, Invoicing, Pricing, Usage-based billing, Cost limiting, Grandfathering, Experiments, Revenue analytics & Actionable insights
 76 58 OSI-approved OSS 1.1k 76 Active
11 REMP
Open-source tools for publisher engagement and monetization.
 71 60 OSI-approved OSS 138 72 Warning
12 Ctrlpanel
Billing platform for hosting providers with Pterodactyl integration.
 71 46 OSI-approved OSS 506 71 Warning
13 Invoice Collector
Free automatic invoice collector 🧾 Collect your invoices in seconds ⏰ Docker container 🐳
 62 63 License unknown 114 69 Warning
14 Faveo Invoicing
Faveo Invoicing is an open-source platform for SaaS billing and license management, tailored to meet the needs of software companies.
 76 33 OSI-approved OSS 240 68 Warning
15 Unimeter
Usage metering engine for billing by customer consumption.
 56 43 OSI-approved OSS 1 61 Warning
16 MesaHub
Private SaaS backend for accounts, billing, and multi-tenant API key management.
 57 39 License unknown 0 60 Warning
17 Usage Credits
Add usage-based credits to a Rails app.
 65 20 OSI-approved OSS 162 58 Warning
18 Subscribie
Collect recurring payments online - subscription payments collection automation
 56 28 OSI-approved OSS 63 57 Warning
19 Subflow
Easily flow through your subscriptions with Subflow. Track spending, organize recurring payments, and take control of your subscription management.
 54 18 OSI-approved OSS 158 52 Warning
20 Hostinvo
SaaS web hosting billing platform.
 41 37 License unknown 1 51 Critical
21 NovaBilling
Open-source billing for SaaS with subscriptions, metering, invoices, and wallets.
 49 11 OSI-approved OSS 3 46 Critical
22 Recura
Subscription management platform for small businesses.
 43 11 License unknown 0 45 Critical
23 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.
 43 17 OSI-approved OSS 1.8k 44 Critical
24 Meterflow
Usage-based API billing platform.
 41 11 License unknown 0 43 Critical
25 Revstack
Open source billing OS for modern SaaS.
 35 17 License unknown 1 43 Critical
26 ValueCell
ValueCell is a community-driven, multi-agent platform for financial applications.
 44 0 OSI-approved OSS 10.8k 42 Critical
27 EasyBilling AI
AI-native billing, pricing, payments, and tax infrastructure for AI companies.
 38 7 License unknown 0 39 Critical
28 Open Source Billing
Open Source Billing a super simple way to create and send invoices and receive payments online.
 36 0 OSI-approved OSS 770 37 Critical
29 AgentPay AI
Lightweight pay-per-use GenAI agent platform that simulates token-based billing for AI tasks.
 32 0 License unknown 12 36 Critical
30 BizzAI
Open-source POS and inventory management system with fast billing, invoicing, and stock tracking.
 32 0 OSI-approved OSS 28 34 Critical
31 bframeLib
Open source billing library based in SQL for invoices and diffs.
 31 0 OSI-approved OSS 10 31 Critical
32 LibreBill
Open-source billing platform for web hosts, cloud providers, and freelancers.
 28 0 OSI-approved OSS 2 31 Critical
33 Bill Flow
Billing, subscriptions, and payments platform.
 24 0 OSI-approved OSS 0 28 Critical
34 Bilify
Open-source billing automation software for game hosting.
 23 0 OSI-approved OSS 7 27 Critical
35 ngbilling
Open-source billing and rating platform for subscriptions.
 3 0 OSI-approved OSS 33 20 Critical

Evidence Watch

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

Lotus

Open Source Pricing & Packaging Infrastructure

69 confidence