This report summarizes the eleven contributions by eight presenters from the two open space sessions that took place during the TMRA’05 workshop on 6th and 7th of October 2005. The contributions were informal and non-refereed, since workshop attendants had been given the opportunity to sign up to short talks on a flipchart, and the suggested format for each presentation was: only one slide, five minutes presentation, and five minutes discussion. The 90 minutes, smoothly chaired by Lars Marius Garshol, were filled with an inspiring exchange of ideas and arguments, since in this “playground for visionaries” new proposals were made and current work in progress was reported and lively discussed. For the purpose of this report, the presentations have been regrouped into the five sections: 1. Resources for the topic maps research community, 2. Authoring topic maps, 3. Querying topic maps, 4. A PSI infrastructure for topic maps, and finally, 5. Topic maps applications.