eGroupWare is a free open source groupware software intended for businesses from small to enterprises. Its primary functions allow users to manage contacts, appointments, projects and to-do lists.

Main features

• Calendar (including support for scheduling of groups, resources and contacts)
• Contact-manager using an SQL database or LDAP
• Integrated IMAP webmail client (FelaMiMail)
• Infolog, an application for tasks and notes
• Element based project manager highly integrated with all other apps
• Resources management (inventory) and booking tool integrated into eGroupWare calendar
• File manager
• SiteMgr: web based authoring system with fine granulated access control lists
• Time-tracker application integrated with project manager
• Tracking of bugs or other, integrated with project manager
• Wiki
• Knowledge base