CATMA (Computer Assisted Text Markup and Analysis) is a practical and intuitive tool for text researchers. In CATMA users can combine the hermeneutic, ‘undogmatic’ and the digital, taxonomy based approach to text and corpora—as a single researcher, or in real-time collaboration with other team members.

Just go ahead and try it out!

Browser based text annotation with CATMA 5.0 - image © by Anna Salomons

Browser based text annotation with CATMA 5.0—image © by Anna Salomons

CATMA’s key features are:

  • Support of digital text in almost any language, incl. right-to-left scripts (e.g. Arabic, Hebrew, Japanese)
  • Full integration of annotation and analysis functions in a web browser
  • Web-based collaboration for easy exchange of documents, annotations, and Tags
  • Freely definable or pre-defined Tags that can also be shared
  • Interactive natural-language searches across text, corpora, and annotations
  • Automated statistical and non-statistical analytical functions
  • Built-in visualization of search results and analyses
  • Analysis of complex text corpora in a single step
  • Context-sensitive help function, tutorials, user manual, and help desk

Learn more about CATMA’s functionality and try our hands-on tutorialsmeow!


CATMA is a free, open source development. Our main server is hosted at the University of Hamburg, Germany; we also run a back-up server at the University of Heidelberg as well as two additional backup servers leased from commercial providers. We are committed to data privacy and IP protection.