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.

Tailor made solution for Repair Café Organizations

C# assembly for creating and reading ZUGFeRD invoices

onCourse is the comprehensive online enrolment and marketing system

Sophisticated ERP, CRM, Point-Of-Sale, etc. Open source now. This system is developed since 1996.

Unofficial Facturapi python wrapper https://facturapi.io

Invoices, Expenses and Tasks built with Laravel, Flutter and React

Crea Facturas Electrónicas válidas en México lo más fácil posible (CFDI)

Dolibarr ERP/CRM is a modern software to manage your company or foundation activity (contacts, suppliers, invoices, orders, stocks, agenda, ...).It's an opensource software (wrote with PHP language) designed for small and medium companies, foundation and freelances. You can freely install, use and distribute it as a standalone application or as …

QuestPDF is a modern open-source .NET library for PDF document generation. Offering comprehensive layout engine powered by concise and discoverable C# Fluent API. Easily generate PDF reports, invoices, exports, etc.

Free and open-source web application for MSPs. Unifies IT documentation, ticketing, invoicing.

Simple and elegant invoicing solution.

Invoice Ninja: Desktop/mobile admin portal built with Flutter

React Invoice Generator allows you quickly make invoices and export them as PDF

XRechnung Implementation for Delphi

A python web scrapper for Brazilian eletronic invoice

Management tools modules for Drupal 8 designed to handle various back office tasks and company digitization.

💸 Calculate estimated monthly costs of Google Cloud Platform products and resources via YAML files and CLI program (Linux, macOS, Windows)

Invoice Generator for Majestic Coding Consultations LLC

Open Source Headless ERP CRM E-Commerce Accounting Software | Node Js React