Business software for Linux

Gnumeric is a spreadsheet program that is part of the GNOME Free Software Desktop Project. Gnumeric version 1.0 was released on 31 December 2001. Gnumeric is distributed as free software under the GNU General Public License; it is intended to replace proprietary spreadsheet programs like Microsoft Excel. Gnumeric was created and developed by Miguel de Icaza, but he has since moved on to other projects. The maintainer was Jody Goldberg.

Compiere (pronounced KOM-pyeh-reh, "to accomplish, complete, fulfill" in Italian) is an open-source ERP and CRM business solution for small and medium-sized enterprises (SME) in distribution, retail, service, and manufacturing. Compiere is distributed by Consona Corporation and through a partner network, who are a collection of trained and authorized business partners.

SugarCRM is a software company based in Silicon Valley. It produces the on-premises and cloud-based web application Sugar, a customer relationship management (CRM) system.

EGroupware is free open-source groupware collaboration software intended for businesses from small to enterprise. Its primary functions allow users to manage contacts, appointments, projects and to-do lists. The project releases its software under the terms of GNU General Public License (GPL).

dotProject is a web-based, multi-user, multi-language project management application. It is free and open source software, and is maintained by an open community of volunteer programmers.