6 Linux Groupware Servers - page 2
SoGo, Citadel, Open-Xchange
eGroupware is licensed under the GNU General Public License v.2.0 (GPL2) and installs on Windows, Linux and Mac OS X. It was born in 2003 and is updated very frequently. In addition to basic groupware features, it has document management and sharing, project management, and resource management functionalities. It also features a knowledge-base, wiki, news publishing, polling, and bookmark sharing. User access can be made through the web interface or via supported clients, such as Outlook, Thunderbird, and mobile devices.
Kolab gives users email access, shared calendars and contacts, resource management, and free-busy capability. The project was started in 2002 and was awarded the "Best Linux Groupware Server" in 2005 by Linux New Media. They still regularly put out security fixes and new releases. Kolab supports various clients, including Kontact, Outlook and Horde.
Kolab has a web-based administration interface, supporting´┐Ż the Deutsch, English, Fran´┐Żais, and Nederlands languages. Kolab uses Apache for the web administration interface and WEBDAV, OpenLDAP and SASL for authentication, Postfix for the mail transfer agent, and OpenSSL for encryption.
The Cyrus IMAP component gives users IMAP and POP3 email access. Users can access a shared address book or contacts. Kolab also supports full client-side PGP and S/MIME email encryption.
Horde Groupware is installable on many platforms, including Linux, Windows, FreeBSD, OpenBSD, Mac, and Solaris. It gives users the basic groupware features and more functionality can be added with modules, such as a file manager, bookmark manager, photo gallery, and wiki. Users can sync with Outlook, Evolution, Thunderbird, and mobile platforms, however its still a work in progress.
Horde Groupware features a customizable portal page with applets for things like weather and quotes. It supports an impressive 40 languages. It can be customized with 27 different color themes.
Eric Geier is the founder of NoWiresSecurity, which helps businesses easily protect their Wi-Fi networks with the Enterprise mode of WPA/WPA2 encryption by offering an outsourced RADIUS service. He is also a freelance tech writer, and has authored many networking and computing books for brands like For Dummies and Cisco Press.
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