There was a download of Easyspy 4.9 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions among Easyspy users are 4.9 and 1.2. The default filename for the program's installer is easyspy.exe. We recommend checking the downloaded files with any free antivirus. The actual developer of the free software is easyspy. The program lies within Security Tools, more precisely Antivirus.
From the developer:
Easyspy is a powerful network intrusion detection system (NIDS). It provides a wealth of intrusion detection means, flexible and intuitive graphical interface to configure and manage intrusion detection rules. It can notify you about all detected events via multi-actions.
You may want to check out more software, such as ANtsP2P, MessageLock or SiteAdvisor for Internet Explorer, which might be related to Easyspy.