SugarCRM
SugarCRM is an open-source software-solution vendor which produces the Sugar Customer Relationship Management (CRM) system.
vtiger CRM
vtiger CRM project provides an easy to install, industrial-strength, business-ready open source CRM.
webERP
webERP is a complete web based accounting/ERP system that requires only a web-browser and pdf reader to use.
osCommerce
osCommerce Online Merchant is an Open Source online shop e-commerce solution that is available for free under the GNU General Public License.
OFBiz
The Apache Open For Business Project is an open source enterprise automation software project licensed under the Apache License Version 2.0.
ERP5
ERP5 is a full featured high end Open Source Software solution published under the GPL license and used for mission critical ERP / CRM / MRP / SCM / PDM applications by industrial organizations and government agencies.
Quasar
Quasar is a full function, stand-alone business accounting package.
TurboCASH
TurboCASH is an open source accounting package that is free for everyone to download and distribute under the terms of the General Public Licence (GPL).
Compiere ERP and CRM
Compiere delivers powerful ERP and CRM capabilities that are built on an innovative Model-driven Applications platform.
SQL-Ledger ERP
SQL-Ledger ERP is a double entry accounting/ERP system.
GLPI
GLPI is the Information Resource-Manager with an additional Administration- Interface.