Open Source Partners
Many open source companies and projects serve key roles in the Zimbra Collaboration Suite (ZCS) and greater Zimbra ecosystem. Zimbra works closely with each of these vendors/projects to ensure that the associated technologies are well integrated with Zimbra. We also aggregate and share feedback from the Zimbra Community with these vendors/projects, and when appropriate make our own contributions to them. We are also happy to promote these best-of-breed technologies for deployment independent from ZCS.
With the exception of the Linux operating system, Firefox, and Thunderbird, all other technologies listed below are reshipped embedded within the Zimbra Collaboration Suite.
- Red Hat & Fedora Project - Principal Linux operating system and file-system based message store
- Ubuntu - Principal Linux operating system and file-system based message store
- SuSE Linux - Underlying operating system and file-system based message store
- Debian Linux - Underlying operating system and file-system based message store
- Mozilla - Firefox browser and Thunderbird email client
- Apache - Zimbra's server container, Lucene-derived index, and numerous other projects
- MySQL - Zimbra's embedded meta-data store
- Sun - Java Development Kit (JDK) and other Java technologies*
- Postfix - Zimbra's embedded Mail Transfer Agent (MTA)
- OpenLDAP - Zimbra's default embedded administrative LDAP store
- SleepyCat - OpenLDAP's underlying data store
- SpamAssassin - Zimbra's embedded anti-spam software (Zimbra supports virtually all commercial anti-spam products and hosted services as well)
- ClamAV - Zimbra's embedded anti-virus software (Zimbra supports virtually all commercial anti-virus products and hosted services as well)
Here is the complete list of all of the third-party open source technologies included within the Zimbra Collaboration Suite.
*The Java subcomponents of Zimbra are not open source.
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