DITA Open Toolkit

The DITA Open Toolkit, or DITA-OT for short, is a set of Java-based, open-source tools that provide processing for XML content authored in the Darwin Information Typing Architecture.

Download and install the toolkit to get started with topic-based writing and publishing.

Download DITA-OT

DITA Open Toolkit features

The DITA Open Toolkit is primarily a publishing tool used to convert DITA content into various output formats. The toolkit supports all versions of the OASIS DITA specification, including 1.0, 1.1, 1.2, and 1.3.

Output formats

The following transformation types are supported out of the box with any toolkit installation:

The toolkit’s plug-in mechanism allows new transformation types to be added.


The DITA Open Toolkit is licensed for use under the Apache License 2.0. A copy of the Apache License 2.0 can be found at the root directory of the DITA Open Toolkit deliverable package.

If, at the time of use, the Project Management Committee has designated another version of this license or another license as being applicable to the DITA Open Toolkit, user may select to have its subsequent use of the DITA Open Toolkit governed by such other designated license.