Free business software

ERP5 is an open source ERP based on Python and Zope.

Liferay Portal is a free and open source enterprise portal software product.

The Business Intelligence and Reporting Tools (BIRT) Project is an open source software project that provides reporting and business intelligence capabilities for rich client and web applications, especially those based on Java and Java EE.

LibreOffice is the most actively developed free and open source office suite, a project of The Document Foundation.

KMyMoney is the personal finance manager by KDE.

GnuCash is a free software accounting program that implements a double-entry bookkeeping system.

Jahia is a WCM with a user interface built using Google Web Toolkit and stores its content using the JCR API default implementation Apache Jackrabbit.

PrestaShop is a free, open source e-commerce solution.

Pentaho is a company that offers Pentaho Business Analytics, a suite of open source Business Intelligence (BI) products which provide data integration, OLAP services, reporting, dashboarding, data mining and ETL capabilities.

SQL-Ledger is an ERP and double entry accounting system.

PDFCreator is an application for converting documents into Portable Document Format (PDF) format on Microsoft Windows operating systems.

GanttProject is GPL-licensed (free software) Java based, project management software that runs under the Windows, Linux and Mac OS X operating systems.

Nopcommerce development started in 2008 by Andrei Mazulnitsyn in Yaroslavl, Russia.

Elastix is an unified communications server software that brings together IP PBX, email, IM, faxing and collaboration functionality.

Founded in 2000, Nuxeo is a global software company providing a content management platform for business applications for companies across a wide range of vertical markets.

Alfresco is a free/libre enterprise content management system for Microsoft Windows and Unix-like operating systems.

web2project is a web-based, multi-user, multi-language Project Management application.

VirtueMart (formerly known as mambo-phpShop) is an open source e-commerce solution designed as an extension of the Mambo or Joomla! content management systems (CMS).

ADempiere /ˌɑːdɛmˈpjɛreɪ/ is an Enterprise Resource Planning or ERP software package released under a free software license.

OpenProj is an open source project management software application.

Tryton is a three-tier high-level general purpose computer application platform on top of which is built an Enterprise resource planning (ERP) business solution through a set of Tryton modules.

Trello is a web-based project management application originally made by Fog Creek Software in 2011, that spun out to be its own company in 2014.

LogicalDOC is a free document management system that is designed to handle and share documents within an organization.

Scipio ERP is an open source enterprise resource planning (ERP) system and a modern fork of the Apache OFBiz project.

Bicom Systems is a producer and vendor of Asterisk (PBX)-based unified communications solutions for VoIP businesses.

Helium V is an open source ERP suite.

Palo is a memory resident multidimensional (online analytical processing (OLAP) or multidimensional online analytical processing (MOLAP)) database server and typically used as a business intelligence tool for controlling and budgeting purposes with spreadsheet software acting as the user interface.

Eureka Streams is a free, open source enterprise social networking platform developed by Lockheed Martin.

YXA is a program written in Erlang implementing a telephone private branch exchange (PBX) was written by Magnus Ahltorp at Royal Institute of Technology (KTH) in the end of 2002.

JFire is an Enterprise Resource Planning and Customer Relationship Management system.

OrangeHRM Inc. is a HR software company based in Secaucus, New Jersey.

Esper is an open-source Java-based software product for Complex event processing (CEP) and Event stream processing (ESP), that analyzes series of events for deriving conclusions from them.

Cyn.in is an open source enterprise collaborative software built on top of Plone a content management system written in the Python programming language which is a layer above Zope.

Open-Realty is a commercial web-based real estate listing management application created in 2002.

OpenL Tablets is a business rule management system (BRMS) and a business rules engine (BRE) based on table representation of rules.

OpenKM is a Free/Libre document management system that provides a web interface for managing arbitrary files.

OrfeoGPL is a free Software Document management system.

SpagoBI is an Open Source Business Intelligence suite, belonging to the free/open source SpagoWorld initiative, founded and supported by Engineering Group.

Apache OpenOffice (AOO) is an open-source office productivity software suite.

agorum core is a free Open-Source Enterprise Content Management system by agorum Software GmbH from Germany.

Mayan (or Mayan EDMS) is a web-based free/libre document management system for managing documents within an organization.

trixbox (formerly Asterisk@Home) is a software PBX based on Asterisk.

Main//Pyrus DMS is a free Open Source Document Management System.

eXo Platform is an open source, standard-based, Enterprise Social Collaboration Platform written in Java and distributed under the GNU Lesser General Public License.