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Open Source Exchange

A new open-source effort dubbed has been launched with the explicit intent to create applications that compete with Microsoft Exchange server products.

Open Source Exchange

  1. Exchange targeted by open-source group
    A new open-source effort dubbed has been launched with the explicit intent to create applications that compete with Microsoft Exchange server products. is a sister project to, a community bent on developing open-source desktop applications that compete with Microsoft's dominant Office applications. The two groups identify themselves as separate but complementary and say they intend to work together to ensure interoperability. 
  2. Open Source Takes on Exchange gained a sister organization and Microsoft (Quote, Chart) gained another open source competitor Thursday with the coming out party for, an open source project developing groupware server software which competes with Microsoft's Exchange Server. Microsoft is already facing competition for its Office suite from the open source (OOo) development project and community, and the new offering rounds out its competitive angle with a server-side attack. (OGo) provides server components for full office collaboration with the suite as well as other Linux and Windows groupware projects. The OGo software runs on Linux and Solaris. 
  3. Open Source Exchange Teams With Red Hat
    Open-Xchange Inc., maker of an open source version of Microsoft's Exchange server software, will bundle its open source collaboration platform with Novell/SUSE Linux and Red Hat Linux distributions. The platform, called Open-Xchange Server 5 (OX), is an open source-licensed collaboration suite that offers a typical array of collaboration features, including e-mail, calendar, contacts, appointments, tasks and others. All are accessible either via a Web client or a fat client, including Outlook, Palm and KDE Kontact. The deal represents another open source competitive threat to Microsoft, whose Exchange server product is widely deployed as an e-mail and collaboration system for enterprises large and small.
  4. Open Source Exchange Community
    The Cisco-centric Open Source Community: Where your comments, contributions and discussion build the community! This site welcomes and needs your contributions and involvement to provide Cisco-centric Open Source Tools, Scripts and Utilities. together we can help you manage your Cisco equipment .The programs offered on this site are not supported by the Cisco Systems Technical Assistance Center (TAC). Please do not contact the Cisco TAC because they can't offer you support assistance. If you have questions or require assistance, please direct them within COSI and the open source community. 
  5. Exchange vs open-source equivalents
    When I wrote my piece on why RPC over HTTP I never figured it would spark such a contentious debate (OK perhaps somewhere in the back of my mind I did). Not that I didn't want a debate. The whole point of the last comment I made inviting someone to show me the same functionality in an opensource product that exists in Exchange 2003/Outlook 2003 was to learn something about what is out there, beyond what I already know about. Now, obviously, Martin is an expert on open source email systems and I think that we will have to pretty much agree to disagree on whether or not companies should use Exchange or some other solution or bundle of solutions to get the same, similar or "good enough" functionality. Having said that, I do have some pushback on some of the previous things said: At any rate, Martin's response to my post was POP3 and IMAP4 over SSL.
  6. Gmail and Exchange meet Open Source
    Zimbra is either the coolest thing I?ve seen this month, or too good to be true. I haven?t decided which yet. Previously known as Liquid Systems, Zimbra is the new name of the company, as well as its flagship product: an extensible open-source client/server system for managing email, contacts, and calendaring that can be accessed with either a slick, cross-browser, AJAX-powered user interface, or via desktop applications like Microsoft Outlook, Mozilla Thunderbird/Sunbird, Apple Mail/iCal, and others. The server that powers all this, Zimbra Collaboration Server, is written in Java, and sits upon familiar open source components like a MySQL database, a Postfix Mail Transfer Agent (MTA) (with SpamAssassin and ClamAV for anti-spam and anti-virus by default) and a Tomcat Web Application Server.
  7. Open-source rival to Exchange released
    Netline Internet Service, an Olpe, Germany-based company that develops a competitor to Microsoft's Exchange e-mail and collaboration server software, on Monday fulfilled a promise to release its product as open-source software. The Open-Xchange Server software is available on the company's Web site. The Open-Xchange product, released under the General Public License (GPL), already is used as part of Novell's SuSE Linux Openexchange Server software. 
  8. Open-Xchange Server goes open source
    Open-Xchange Server, the Microsoft Exchange Server workalike, is being released under the GPL at the end of August. Open-Xchange Server is the engine behind Novell/SUSE's Openexchange Server, and is produced by Netline Internet Service. Netline CEO Frank Hoberg will be in the Novell booth during most of the LinuxWorld Conference & Expo, displaying what a company press release describes as "the industry's top-selling Linux-based groupware, collaboration, and messaging application. The downloadable, GPLed version will take "some tech knowledge about Linux" to install and get running," says Hoberg, which means that for many, "the SUSE version is the product of choice. You can get it up and running in less than one-half hour.

  9. Open Source Exchange Killers
    Netline Internet Service announced today that it would contribute its OPEN-XCHANGE Server, the core technology underlying the industry?s top-selling Linux-based groupware, collaboration, and messaging application, under the GNU General Public License (GPL).
    This is definitely good news. I saw an OpenExchange sales pitch a few years ago at Linux World New York and I must say that I was impressed. The online demo looks pretty good, but having Outlook ?just work? is killer. And that should be no problem according to an article at ZDNet. The web interface feels a bit less cluttered than OpenGroupware, and I?m hoping that it rocks.
  10. Open Source Exchange Replacement Platform
    Now there is an Open Source alternative to Microsoft Exchange in the office network. Charles Wyble is the project founder and lead developer of OSER Platform. He will show us how to get rid of expensive per-seat licenses without giving up core functionality. The OSER Platform uses Postfix and Courier IMAP for email, Jabber for collaboration, Clam Anti Virus and Spam Assassin to provide world class protection. It uses OpenLDAP and SyncML for Contact Management, and a Webmin-based administration suite to easily control all aspects of the applications. If time permits, Charles will also cover a sub project which is an Asterisk+Festival+Sphynx interface.
  11. Open Source E-Commerce Solutions
    The Exchange Project was first released in March 2000 as an example resource study for the PHP web scripting language. Today, it has matured into a feature packed out-of-the-box e-commerce solution currently in use all over the world. In a move made to show its maturity and to strengthen its presence in the open source community, The Exchange Project has renamed itself to osCommerce - a more descriptive name for the projects area of focus. The new name, logo, and refreshed support site show the community that the developers behind the project mean business. High levels of quality have been set and reached in areas including management, coding, and support.
  12. DDN Open Source Code Exchange
    The DDN site is sponsored by DATACAD. This DDN resource has been created to assist Data CAD developers and to promote the use of DCAL by third-party authors. The ultimate goal of this free resource is to benefit DataCAD users by enhancing their productivity with custom add-ons. On the following page you will have direct, free access to DCAL macro source code subject to the terms outlined below. All of the source code made available on this site is the copyrighted material of the program author(s). Some routines represent a days work, and some routines such as the AEC_MODL macro represent twelve or more man-months of work by programmers, product specialists, and technical writers.
  13. Open Source: Open for Business
    The lure of open source software is that it is free-anyone can use it or modify it without license fees, and no vendor can lock users in for fixes and enhancements. Open source has spawned a worldwide development community that improves and fixes the software, often much faster than in the proprietary vendor world. Open source is a movement that is technical, political and sociological," says the report, the most recent in a series of annual Leading Edge Forum publications that detail technology with the potential to disrupt the business world. Open source software such as the Linux operating system places the scarce resource of software in everybody's hands. The open, collaborative approach levels the playing field, enabling anyone to contribute and defying the big hand of the corporation.
  14. Open Source Exchange Alternative
    Open-Xchange has announced a comprehensive feature update for Open-Xchange Server 5 to be released next month. Customers get access to more than 100 improvements, all of which are designed to improve the usability and integration capabilities of the leading open source collaboration software. Open-Xchange Server 5 provides key messaging functions like email, calendaring, contacts and task management -- fully integrated with advanced groupware features such as document sharing, project tracking, user forums, and a knowledge base. Open-Xchange Server 5 offers major productivity improvements through object "linking" and "permissioning" and works with "rich clients" such as Microsoft Outlook as well as most browsers and mobile devices.
  15. Real World Computing Exchanging Exchange
    Simon Brock and Ian Wrigley try to find a drop-in open-source replacement for Exchange Server Microsoft Exchange Server is a popular product used in many organisations, some of which employ it simply as an email server, while others use it to its full extent as a collaborative environment that allows users to automatically schedule meetings with others and share calendars. Exchange Server users can access the system remotely via the Web, which offers a user experience almost identical to that of using Microsoft's Outlook. In short, Exchange Server is a boon for many companies, but it does have its limitations, primary among which are the facts that it will only run on a Windows server and costs a significant amount of money. In fact, for many organisations, it's the former rather than the latter reason that sets them off looking for an alternative solution, and naturally the open-source movement provides just such alternatives.
  16. IT-Director: The Open Source Exchange 
    Innovation is one of the reasons why we believe that the Open Source movement is going to be a force to be reckoned with for many years to come. The Open Source market is proving to be very innovative. One recent development that has caught our eye is the founding of a genuine "labour exchange" for open source developers where companies can post RFPs and open source developers or Open Source VARs can respond to them. The sourceXchange was set up late last year by which itself was only founded in July of 1999. The motivation for creating sourceXchange was created as a response to the fact that many organisations were completely unexperienced in contracting open source developments and there was clearly a need to facilitate this if the Open Source movement was going to continue to grow.



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