| Kolab |
OpenGroupware |
| Kolab uses an IMAP server (Cyrus) for storage of calendar items | OpenGroupware uses a database (postgresql or frontbase) |
| Kolab is based on several well
established Open Source Linux programs, OpenLDAP2, Postfix, Cyrus
Imapd, ProFTPD, Apache 1, Inet Daemon, Cyrus SASL 2 A perl script connects all of them. |
OpenGroupware is the open
sourced version of the Skyrix Groupware Server. It uses postgresql and apache, and some own packages. |
| The specific Kolab scripts (could be described as glue between the other packages) are written in Perl. | The code is written in Objective C. |
| Kolab comes in OpenPKG packages,
and is an extra subsystem on linux. Advantage: selfcontained system, does not influence existing running programs. Easy to install on every linux distribution Disadvantage: some programs are running twice. how well is updating of single packages possible? |
several guides for installation
on different linux distributions available |
| Kolab was created by several
companies that worked for the german government in a contract. |
The Skyrix Software AG published their groupware server in the open source licence, and provide an enterprise distribution of OpenGroupware. |
| The price of the Outlook Connector |
|
| Toltec: 5-499 seats: $13.95 (http://toltec.co.za/purchase.php) | Zidelook: ca 50 EUR http://www.skyrix.com/en/products/6_pricelist/ |