There was a download of Grapheur 1.0 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the software is Reactive Search Srl.
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. Grapheur lies within Photo & Graphics Tools, more precisely Viewers & Editors.
From the developer:
The flexible and powerful Data Mining and Interactive Visualization tool.
Import your data and navigate at the speed of light. The tool disappears, your preferences and insight come into the spotlight.
Analyze both entities and relationships (graph and network analytics).
Build and debug predictive models, cluster similar cases together, map your data in creative ways for decision making.
You may want to check out more software, such as Wire Pilot Plugin, ZoomMagic or PP3 Private Album, which might be related to Grapheur.