There was a download of Knowledge Master 13.0 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The program lies within Photo & Graphics Tools, more precisely Viewers & Editors. The program's installer files are generally known as Hskm.exe or KnowMas.exe etc. The most popular version among the program users is 13.0. This tool was originally produced by Knowledge Master Corporation.
From the developer:
Knowledge Master is a powerful tool for creating mind maps, concept maps, semantic maps, semantic networks, diagrams and conceptual knowledge bases, with a rich set of functions and a very intuitive interface, that eases concept treasuring and active and interactive knowledge management.
You may want to check out more software, such as Acronyms Master, DB Master 09 Release or Estate Master DF Calculator, which might be related to Knowledge Master.