Open Source Business & Commerce Apps

Flexible accounting software for personal and small business use, GnuCash is freely available under the GNU GPL, supporting multiple OS and financial tasks.

Tracks expenses, budgets, and subscriptions with offline access, privacy focus, CSV import, visual analytics, multi-currency features, and no ads.

Open-source platform for tracking, budgeting, and optimizing finances, with over 10,000 account links, chart visualizations, customizable budgets, and secure data handling.

Open-source diagram editor with cross-platform support offering entity relationship, UML, flowchart, and network diagram creation with editable objects.

Effortlessly manage home inventory with minimal setup. Fast, low-resource usage, and SQLite portability make it an ideal solution for home users.

Liberapay is a way to donate money recurrently to people whose work you appreciate.

Open-source, self-hosted ERP for craft producers unifies inventory, order processing, production, purchasing, CRM, batch tracking, and calendar scheduling.

Integrates enterprise resource planning, CRM, and more, eliminating the need for multiple software with open-source solutions developed in Python.

Spliit is a minimalist application to track and share expenses with your friends and family.

Open-source Stripe alternative for stablecoins. Checkout, subscriptions, and marketplace payouts. Stripe-compatible API. Your very own payments stack with no fees.

Joomla is an award-winning content management system (CMS), which enables you to build web sites and powerful online applications. Many aspects, including its ease-of-use and extensibility, have made Joomla the most popular web site software available.

Wealthfolio is a simple, desktop-based investment tracker. Your financial data is stored safely on your own computer Ditch the spreadsheets, forget about those pesky subscription fees, and no more worries about SaaS services playing around with your data.

A simple app for tracking monthly spending and working towards financial goals.

PrestaShop is an open-source e-commerce free software powering nearly 200,000 online stores. are built using this software around the world. Translated into more than 60 languages.The success of PrestaShop software is thanks to countless hours by numerous contributors from...

GNU Taler is a privacy-preserving payment system. Customers can stay anonymous, but merchants can not hide their income through payments with GNU Taler. This helps to avoid tax evasion and money laundering.

Free open-source accounting tool for personal finance and budgeting, featuring multi-platform support, detailed analysis tools, customizable reports, and data import.

Open-source, lightweight solution tracking attendance, work hours, absences, and vacations for small teams, using Excel files, with email and Excel reporting.

AI-powered tool to scan receipts, assign items to people, and instantly calculate shared expenses, all ad-free, open source, and without sign-up required.

Open-source link management with analytics, free QR code generation, custom domains, advanced audience targeting, team collaboration, and SAML SSO security.

DokuWiki is a standards compliant, simple to use Wiki, mainly aimed at creating documentation of any kind. It is targeted at developer teams, workgroups and small companies. It has a simple but powerful syntax which makes sure the datafiles remain readable outside the Wiki and...

MoneyManager Ex is a free, open-source, cross-platform, easy-to-use personal finance software. It primarily helps organize one's finances and keeps track of where, when and how the money goes. It is also a great tool to get a bird's eye view of your financial worth.

Open Collective is a legal and financial toolbox for groups. It’s a fundraising + legal status + money management platform for your community.

Ever wanted to simplify documentation and avoid heavy tools like Visio when explaining your code? This is why mermaid was born, a simple markdown-like script language for generating flowcharts, Gantt charts and sequence diagrams from text via JavaScript.

Open Source Experience Management Solution.

Actual is an personal finance tracker with a powerful budgeting system. Only budget money that you have and see exactly how much you're saving each month. Track all your accounts in one place.