Cataloging tools for OpenData

The whole work is dealing with so-called. OpenData. Since this topic is very extensive, this paper focuses only on cataloging tools (catalogs) for open data. The main reason for this narrower focus is still great variability and new technologies that are of interest not only for the individuals or institutions but also for the whole public administration. For example at the beginning of this work none Czech national open data catalog existed, in the course of writing it managed to launch and now works almost flawlessly. Therefore, it is an important part of a retrospective view. The main objective of this work is to analyze the situation of the national catalogs of open data in selected locations, mapping the requirements of catalogs by avaible documents, creation of criteria and assessed according to criteria selected cataloging tool. Benefits include compiled criteria that can serve additional work or other purposes, and the aforementioned retrospective view. The structure of the work will be divided into several basic blocks, which can be summarized into the structure: Introduction, practical part, analytical part, conclusion. The introduction explains the reasons and aims of work and achievement. The practical part describes the past and present status issues. In the analytical part are assessed as suitable criteria / requirements that are applied to the selected tool. In the end everything is summed up.