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Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics
Open-Source Subscription Billing & Payments Platform
Ever® Gauzy™ - Open Business Management Platform (ERP/CRM/HRM/ATS/PM) - https://gauzy.co
A self-hosted open source application for managing your invoices, clients and payments.
Deep neural network to extract intelligent information from invoice documents.
Open Source Pricing & Packaging Infrastructure
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.
Open source, zero webhooks payment provider
Empower your hosting business with FOSSBilling, the free and open-source solution for efficient billing and client management.
The easiest way to add pricing to your SaaS. Get billing over with.
All in One PSA for MSPs, which Unifies client, contact, vendor, asset, license, domain, ssl certificate, password, documentation, file, network and location management with ticketing and billing capabilities, with a client portal on the side.
Simple and elegant invoicing solution.
Modern & private time tracking for macOS & Windows. No cloud, no registration, no paywall. Just download and track your work hours 100% offline.
Double-entry accounting & ERP for the web
Stripe-native usage metering with real-time cost projections, exactly-once processing, and invoice parity guarantees.
Stripe-native usage metering with real-time cost projections, exactly-once processing, and invoice parity guarantees.
Official MCP server for Frihet ERP — 157 tools for AI-powered invoicing, tax & e-invoicing compliance (VeriFactu, TicketBAI, Facturae), banking, CRM, HR/payroll & POS. Works with Claude, Cursor, Windsurf, Cline, ChatGPT.