DeepaMehta News

Jul 24, 2011
DeepaMehta 4.0 released

On July 24, 2011 DeepaMehta 4.0 has been released. This is the first release with the all-new property-less data model. All values (simple and composite) are represented as reusable semantics-attached topics. Download at GitHub.

See the installation instructions in the README.
4.0.RC1 Release Notes (July 20, 2011)
4.0 Release Notes (July 24, 2011)

Report issues at our new trac-site (please register):

Oct 26, 2010
DeepaMehta 3 v0.4.2 released

On October 26, 2010 DeepaMehta 3 v0.4.2 has been released and is available on the download page at GitHub. Main feature are file handling capabilities:

  • Represent local files as topics. View/play file contents (text, image, audio, video, PDF) right inside DeepaMehta.
  • "Folder Canvas" plugin (optional install): Represent a local folder as a synchronizable topicmap.
  • "Nautilus" plugin (optional install): Put a folder under DeepaMehta control right from the GNOME desktop.

There are also GUI improvements and bug fixes.
v0.4.1 Release Notes (Oct 16, 2010)
v0.4.2 Release Notes (Oct 26, 2010)

Sep 02, 2010
DeepaMehta at Mensch & Computer

On September 12, 2010 DeepaMehta is represented at the 2nd Workshop on Personal Knowledge Management (PKM 2010) in Duisburg. Among the accepted papers is Folder Window as Canvas by the DeepaMehta community members Malte Reißig and Matthias Melcher. A DeepaMehta-based prototype of the paper's central idea is shown in the workshop's demo session.

The PKM 2010 workshop takes place at the German HCI conference Mensch und Computer 2010, 12-15 September in Duisburg, Germany.

Folder Window as Canvas (PDF, 54 KB).
Folder Canvas plugin for DeepaMehta 3.

Aug 04, 2010
DeepaMehta 3 v0.4 released

On August 4, 2010 DeepaMehta 3 v0.4 has been released and is available for download. Installation is very easy. The main feature is a completely new backend architecture:

See the release notes for more information.
Sourcecode and issue tracker is at GitHub.
Discussion takes place in the Google group.

(The DeepaMehta online sandbox installation is still at v0.3 and runs only in Firefox browsers.)

Feb 12, 2010
DeepaMehta at ESCP Europe Campus Berlin

On February 10, 2010 DeepaMehta was presented at a knowledge management seminar at ESCP Europe Campus Berlin. After demoing the software platform Jörg Richter discussed with students of Business Information Systems what kind of tools would support their learning and collaboration best. The seminar was held by Prof. Dr. Markus Bick.

Sep 01, 2009
Linux Magazine writes about DeepaMehta

The latest issue of the German Linux Magazine (September 2009) features a 6-page article about DeepaMehta. Editor-in-chief Jens-Christoph Brendel calls DeepaMehta a "forward-looking interface concept for possibly the most modern knowledge management for Linux". On the frontpage DeepaMehta is introduced as a "highly innovative colaboration tool".

Article teaser

Aug 13, 2009
Development of DeepaMehta 3 started

In August 2009 the development of DeepaMehta 3 started. Version 3 is a complete rewrite. The aim is to combine the lessons learned from DeepaMehta 2 with todays technologies and methods. A special focus is put on modularity and a flexible plugin developer framework.

DeepaMehta 3 is based on CouchDB and Lucene. The frontend is a single-page Ajax application, based on JavaScript, HTML 5, and its Canvas element. No Java for the moment.

Sourcecode and issue tracking: DeepaMehta 3 at GitHub. Discussion: DeepaMehta 3 Google group. Try out: DeepaMehta 3 sandbox installation. To get an account write an email to