There are many vital DITA resources online, including the DITA Users group and the DITA-OT project website at dita-ot.org.

DITA-OT project website: dita-ot.org

The DITA-OT project website at dita-ot.org provides information about the latest toolkit releases, including download links, release notes, and documentation for recent DITA-OT versions. dita-ot.org project website dita-ot.org

DITA Users group

The original dita-users group was founded in 2004 as a Yahoo! Group and moved to Groups.io in November 2019. The mailing list addresses the needs of DITA users at all levels of experience, from beginners to experts, and serves as a vital resource for the DITA community. DITA Users group Yahoo! dita-users group DITA Users group

DITA-OT Users Google Group

General interest DITA-OT product forum, for questions on any aspect of the toolkit — from installation and getting started to questions about specific overrides, plug-ins, and customizations. DITA-OT Users Google Group Google Group DITA-OT Users Google Group

DITA-OT Slack workspace

Forum for discussion related to DITA-OT development and design. Topics in this forum are more technical in nature, covering upcoming design or code changes. To request an invitation and join in the discussion, visit slack.dita-ot.org. DITA-OT Slack workspace Slack DITA-OT Slack workspace

Home page for the DITA Technical Committee

The OASIS DITA Technical Committee develops the DITA standard. OASIS DITA Technical Committee

DITA-OT project archive

The DITA-OT project archive at dita-archive.xml.org provides news about earlier toolkit releases, and release notes for legacy versions.