Free collaboration software that enables business software for linux

Zimbra Collaboration Suite project is a client/server technology for enterprise messaging and collaboration.
Zimbra delivers innovation for both the administrator and the end-user as well as compatibility with existing infrastructure and applications (both open source and proprietary).
The Zimbra Collaboration Suite provides support for email, contacts, and group calendaring, and consists of a server and client.
Main features:
Administrator Benefits
- Online move, backup and recovery of individual or a group of mailboxes
- Compatibility with Active Directory and existing LDAP directories
- Native hierarchical storage management and clustering
- Web services integration with existing enterprise applications
- Integrated anti-spam and anti-virus
End-User Benefits
- Browser based client with search, shared calendar and mail that is integrated with contacts and calendar
- Support for Outlook: calendar, mail, contacts and offline mode
- Support for mobile devices: Blackberry, Treo and etc
- Support of Windows, Apple and Linux computer.
Whats New in 5.0.0 Beta 1 Development Release:
- This is the first release in the 5.0.0 release cycle.
- New features include IM, Tasks, Standard Client autocompletion, and keyboard navigation.
- Updates have been made to migration wizards and apple/outlook connectors.
Whats New in 4.5.6 Stable Release:
- Support for an automated MySQL database corruption check that will send a notification to the admin.
- Spam training has been enhanced by allowing programmatic scanning of folders without requiring a password.
- Admins can get backup and restore complete notifications sent via email.
- .Doc and .pdf files open correctly in Zimbra Web Client.
- iSync will not duplicate the calendar, and iSync Connector works correctly with Mac OS X 10.4.10.
- Servers automatically start after a ZCS upgrade.
- Web-based cross-mailbox discovery is available for the optional Zimbra Archiving and Discovery module.

Mindquarry Collaboration Server is a set of well proven professional collaboration tools made easy to be usable for everyone.
This enables you to streamline your work and become more efficient, productive and creative.
Mindquarry is free software. Mindquarry is Open Source Software, meaning you can download, use and redistribute it free of charge.
Mindquarry supports teamwork. Mindquarry allows you to share files, exchange ideas and definitions, manage tasks for yourself and your team, and organize talk via e-mail, instant messenger or real-world meetings.
Main features:
Files
The Mindquarry File manager stores snapshots of documents edited by your team and makes them searchable. It allows two people to modify a document at the same time.
Wiki
Knowledge management is essential in a world of constant change and expanding information reservoirs. The Mindquarry Wiki allows teams to share documents, ideas, thoughts and definitions. It is like a personal Wikipedia for your team.
Tasks
The first part of task management is organizing what you have to-do, what you have done and what you will do. The second part organizing the tasks for all team members and exchanging task information.
Enhancements:
- An issue where SVN URLs were not in the correct format under Windows was fixed and long with a problem where the check for unique email address upon changing a profile included the current user, so changing the profile a second time with the same email address did not work.
- This release also fixed problems where task dependencies were not reloaded until restart, nested lists in wiki were not in the correct format for xsl:fo, output encoding for JSON was not set to UTF-8, lots of Dojo errors appeared when scrolling after wiki save, and the AutoSize on resize handler was not removed.

DeskNow project is a fully featured and easy to use mail and collaboration server that can handle all the communication and collaboration needs of your company.
Main features:
- fully featured mail server
- advanced antispam technologies, antivirus integration and content filtering
- dynamic webmail interface
- document management
- advanced calendaring with meeting planning, free/busy search, shared calendars, task lists, resource booking, iCal publishing (Mozilla Sunbird, Apple iCal)
- Outlook connector to integrate personal and group calendars, tasks, contacts
- SyncML synchronization with Palm, PocketPC, BlackBerry and most mobile phones
- secure Jabber instant messaging with integrated web client
- automatic authentication and account import with Active Directory and LDAP servers
Enhancements:
- This version introduces minor improvements to IMAP import and features improved SyncML duplicate detection and a maxhops configuration setting.

Auction Business Manager is a tool that helps you keep track of income and expenses for your online auctions, e.g. with eBay.
Auction Business Manager also color codes your listings so that you can easily see who you need to ship packages to and who still needs to pay.
There is a statistics page that tells you, by month, what your expenses were, what your income was, and how much profit you made, so its easy to see how well your business is growing.
Main features:
- Easy installation - just unzip, upload, install a single table into your MySQL database and youre ready to rock!
- Simple, intuitive interface - Auction Business Manager is structured so that its very easy to make changes to and update your listings.
- Ongoing Balance Sheet - Worried that you might be spending more than youre making? No problem, just keep track with Auction Business Manager, and compare how youre doing from month to month.
- Its Online - Once you install Auction Business Manager on your hosting account, you can access it from any computer.
- Password Protected - Auction Business Manager uses a simple login system to keep unwanted visitors and meddlers out.

Sabayon Linux is a live DVD designed to transform a computer into a powerful Gentoo Linux system in less than 5 minutes. Gentoo Linux is a Linux distribution powered by a software install manager engine called "Portage".
Besides functioning as a live DVD, Sabayon Linux can also be installed on a hard disk, acting effectively as an easy-to-use Gentoo installation disk. The live DVD includes a large range of desktop environments and open source software applications, such as KDE, GNOME, XFce, Fluxbox, KOffice, OpenOffice.org, FreeNX, amaroK, Kaffeine, etc.
Enhancements:
- Sabayon has prepared for you a fast, cheap and stable solution for every "office needs" you might have! INFO/FEATURES: Optimized Server profile; Kernel 2.6.22 Sabayon Linux Powered; Stable branch for almost all packages; Wpa_supplicant compiled with a better support for mac80211; Latest madwifi driver; Latest Sabayon Installer; Latest Ati-drivers; Latest Nvidia-drivers; Fast installation speed; Package Selection on install time; Really fast working live environment; Easy firewall management with Kmyfirewall.

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