invoices

Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

react ruby go open-source events analytics clickhouse invoices payments self-hosted pricing fintech ingestion billing subscriptions metering usage-based-billing pricing-data-science

Updated Oct 23, 2025
Go

crater-invoice-inc / crater

Star 8.2k

Open Source Invoicing Solution for Individuals & Businesses

javascript php laravel vue payment invoices laravel-framework

Updated Aug 10, 2024
PHP

dolibarr

Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). it's an open source Web application (written in PHP) designed for businesses of any sizes, foundations and freelancers.

mysql php sales erp proposal invoices postgresql accounting agenda crm invoicing stock quotations orders invoice purchase stocks human-resource-managment suppliers hacktoberfest

Updated Oct 24, 2025
PHP

ever-gauzy

ever-co / ever-gauzy

Star 3.2k

Ever® GauzyTM - Open Business Management Platform (ERP/CRM/HRM/ATS/PM) - https://gauzy.co

productivity erp invoices accounting issue-tracker crm invoicing hr project-management time-tracker payroll billing expenses team-management salary time-tracking human-resources bookkeeping timetracking crm-platform

Updated Oct 24, 2025
TypeScript

InvoicePlane / InvoicePlane

Star 2.9k

A self-hosted open source application for managing your invoices, clients and payments.

open-source php codeigniter invoices crm invoicing billing invoiceplane

Updated Oct 12, 2025
PHP

InvoiceNet

naiveHobo / InvoiceNet

Star 2.7k

Deep neural network to extract intelligent information from invoice documents.

information-retrieval deep-neural-networks deep-learning invoices keras information-extraction classification invoice billing deeplearning keras-neural-networks invoice-pdf invoice-management keras-tensorflow invoice-software invoice-insight invoice-parser

Updated May 3, 2024
Python

vas3k / TaxHacker

Star 518

Self-hosted AI accounting app. LLM analyzer for receipts, invoices, transactions with custom prompts and categories

invoices accounting self-hosted expenses taxes currency-exchange llm llm-apps ai-analysis

Updated Oct 22, 2025
TypeScript

ZUGFeRD / mustangproject

Star 356

Open Source Java e-Invoicing library, validator and tool (Factur-X/ZUGFeRD, UNCEFACT/CII XRechnung)

java metadata pdf invoices invoice metadata-api zugferd ubl invoice-pdf metadata-standard electronic-invoicing xrechnung factur-x e-rechnung

Updated Oct 24, 2025
XSLT

camelaissani / loca

Sponsor

Star 242

Open source real estate management

property-management real-estate nodejs open-source erp rentals invoices property occupants properties owners offices car-park appartments

Updated Jan 22, 2022
JavaScript

laravel-invoices

ElegantEngineeringTech / laravel-invoices

Star 215

📑 Store and generate beautiful PDF invoices in Laravel

php pdf laravel invoices invoice-generator invoices-pdf

Updated Oct 13, 2025
PHP

ZUGFeRD / quba-viewer

Star 169

Quba is a viewer for electronic invoices

electron viewer invoices xslt electron-app ubl xrechnung invoices-pdf e-rechnung electronic-invoices xrechnung-viewer

Updated Jul 1, 2025
XSLT

renoki-co / jetstream-cashier-billing-portal

Star 164

Cashierstream is a simple Spark alternative written for Laravel Jetstream, with the super-power of tracking plan quotas, like seats or projects number on a per-plan basis