Open Source Accounting Software

GnuCash is a personal and small-business finance manager with a check-book like register GUI to enter and track bank accounts, stocks, income and expenses. GnuCash is designed to be simple and easy to use but still based on formal accounting principles.

Dolibarr ERP - CRM is an easy to use ERP and CRM open source software package (run with a web php server or as standalone software) for businesses, foundations or freelancers (prospect, invoicing, inventory, warehouse, order, shipment, POS, members for foundations, bank accounts...). Dolibarr is also available with auto-installers for users with no technical knowledge to install Dolibarr and all its prerequisites (Apache, Mysql, PHP) with just one package. Available platforms for such packages are: Windows, Debian, Ubuntu, Mint, Redhat, Fedora, OpenSuse, Mandriva, Mageia. Other platform can use the generic distribution. This is a modular product, than can be enhanced with tons of external modules (to provide you features not available by default) from https://www.dolistore.com Download Dolibarr ERP - CRM here or sign up for 15-day free trial of the cloud-based application with free updates and support at one of the Cloud providers https://saas.dolibarr.org/

From invoicing to expense tracking to accounting, Akaunting has all the tools you need to manage your money online, for free. That's right, completely free. There is no limited or trial version. No hidden charges or setup fees. See your financials online anytime, anywhere on your computer, tablet or phone. We're disrupting the closed-source dominated market and introducing the power of Open Source to accounting world. Akaunting is built with modern technologies such as Laravel, Bootstrap, jQuery, RESTful API etc.

This is a very old site. Make sure to visit the project page at https://kmymoney.org to get latest releases. This site is unmaintained and only kept for historical reasons.

FriFinans is an accounting application for users that are not satisfied with web-type systems and who needs an cross-platform, multi-user, multi-lengual system. Features PDF reports, real client/server. Use CVS checkout or Ubuntu repo for testing.

LedgerSMB is an ERP, featuring accounting (including AR, AP, and GL), quotation and order management, and more, for businesses with small to medium transaction volumes. The system has been shown to easily handle thousands of AR/AP transactions per week. Data integrity, security, quality, and responsiveness are key values for our community, both among the developers and, we hope, the users. Additionally we aim to make LedgerSMB into a platform to integrate with, or even serve as a framework for building, other applications. We highly value community contributions and aim to stimulate growth through a broad community by actively providing support and documentation.

Accounting/ERP system for manufacturers, retail and service businesses. ***** WE ARE NO LONGER MAINTAINING SOURCEFORGE AS A SOURCE FOR DOWNLOADS, PLEASE SEE http://www.sql-ledger.com/source TO GET THE LATEST VERSION *****

Java API for quickpay payment gateway