Top 24 invoicing open source projects

Invoicing for freelancers & small businesses

Repository for the LedgerSMB project -- web app for accounting & ERP

Dolibarr ERP CRM is a modern software package to manage your company or foundation's activity (contacts, suppliers, invoices, orders, stocks, agenda, accounting, ...). It is open source software (written in PHP) and designed for small and medium businesses, foundations and freelancers. You can freely install, use and distribute it as a standalon…

An Open Sourced Invoice System developed for anyone who needs to generate out an invoice and manage clients

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

Fab-Manager is the FabLab management solution. It provides a comprehensive, web-based, open-source tool to simplify your administrative tasks and your marker's projects.

Time tracking you can host anywhere. Full export support in multiple formats and easily extensible.

Kimai v2 is a web-based multiuser time-tracking application. Free for everyone: freelancers, agencies, companies, organizations - all can track their times, generate invoices and more. SaaS version available at https://www.kimai.cloud

Wystawiaj faktury za darmo i bez ograniczeń

Desktop invoicing app built with electron. Create Quotes and Invoices. Download PDF or Email directly to your customers.

Jetstream Cashier Billing Portal is a simple scaffolding billing portal to manage subscriptions, invoices and payment methods, built on top of Jetstream & Cashier Register.

🧾💰App for issuing invoices, track expenses and managing clients for all the sole traders of New Zealand. That are registered for GST. And can host a Rails app. And are able to configure Google OAuth.

Kimai v1 open source time-tracking - please switch to Kimai v2

Free and Online Accounting Software

Gauzy™ - Open-Source Business Management Platform (ERP/CRM/HRM)

Simple and elegant invoicing solution.

Online Invoice Management in Ruby On Rails.

Official XSD from the Government of Angola for use in SAF-T AO

📝 PDF invoice generator

This plugin enables generating invoices in Sylius platform application.

GetPaid (Formerly the Invoicing plugin) is a lightweight Payments and Invoicing system for WordPress. It can be used to sell anything online via payment forms or buy now buttons that can be added to any landing page. It can also be used by freelancers to manage their Invoices or by 3rd party Themes and Plugins as their payment system. GeoDirecto…

C# assembly for creating and reading ZUGFeRD invoices

⚖️ AFIP invoice integration for django.

Free and open-source web application for MSPs that streamlines IT documentation, ticketing, invoicing, and accounting, an alternative to ITGlue. It helps in managing and organizing client's IT information, increasing efficiency and profitability.