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.

Free Open Source ERP CRM Software Accounting Invoicing | Node Js React

Online Accounting Software

Free Accounting Software

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

Kimai is a web-based multi-user time-tracking application. Works great for everyone: freelancers, companies, organizations - everyone can track their times, generate reports, create invoices and do so much more. SaaS version available at https://www.kimai.cloud

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

A Laravel and Filament-powered accounting platform featuring full double-entry accrual accounting, delivering modern automation for professional financial management.

💵 Bigcapital is financial accounting with intelligent reporting for faster decision-making, an open-source alternative to Quickbooks, Xero, etc.

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.

Online Invoice Management in Ruby On Rails.

Open source C# e-invoicing library. Enables creating and reading ZUGFeRD invoices.

Double-entry accounting & ERP for the web

Ubilling is an open-source billing system designed for Internet service providers (ISPs). It provides tools for managing subscribers, handling payments and creating detailed reports. Ubilling allows control and monitoring of a wide range of network equipment and can be easily extended with custom functionality.

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.

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

Sell-Your-Saas is an Open Source solution to automate and sell any Web application as a SaaS service

Miru | Time Tracking and Invoicing and Employee Benefits. Built using Ruby On Rails and ReactJS

Invoicing for freelancers & small businesses