akaunting
Online Accounting Software
invoiceninja
A source-available invoice, quote, project and time-tracking app built with Laravel
getlago
Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics
crater-invoice-inc
Open Source Invoicing Solution for Individuals & Businesses
ever-co
Ever® Gauzy™ - Open Business Management Platform (ERP/CRM/HRM/ATS/PM) - https://gauzy.co
InvoicePlane
A self-hosted open source application for managing your invoices, clients and payments.
naiveHobo
Deep neural network to extract intelligent information from invoice documents.