EGS is a multi-user, Web-based Groupware/CRM/MRP and project management suite.. Current modules include a CRM/address book/dashboard, calendar, content management, project management tools, email
ticketing, Web site news, and accounting/ERP.
Your rating on Enterprise CRM and Groupware System
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
Modules enabled by default are Contacts, CRM, and Projects. These are considered stable, and should be problem-free for most people. Ticketing and Calendar are also available, though these are known to contain some issues, and more testing is definitely required.