Free and Open Source Enterprise Resource Planning (ERP)

Firefly III: a personal finances manager

Online Accounting Software

Open Source Headless ERP CRM E-Commerce Software Multi Branch & Currency | Node Js React

Double-entry accounting system with a command-line reporting interface

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.

3proxy - tiny free proxy server

Robust, fast, intuitive plain text accounting tool with CLI, TUI and web interfaces.

A portfolio tracking, analytics, accounting and management application that protects your privacy

Free Accounting Software

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

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

We do Open Source ERP - Fast, Flexible & Free Software to scale your Business.

Fullstack open source Invoicing application made with MongoDB, Express, React & Nodejs (MERN)

可能是中国用户数最多的开源ERP

Get a grip on your finances.

Django Ledger is a double entry accounting system built on the Django Web Framework.

💰 Billing & Payments knowledge for cloud platforms

OpenAM is an open access management solution that includes Authentication, SSO, Authorization, Federation, Entitlements and Web Services Security.

OpenBudgeteer is a budgeting app based on the Bucket Budgeting Principle