Little-known anti-malware programs display warnings, which are often identified as false positive. Nevertheless, it is recommended to recheck the file with your antivirus software after downloading.
We do not have a download file for the latest version (1.9.1), but you can try downloading it from the developer's site
Download version 1.1 from Mac Informer
Version: 1.1
Date update: May 20, 2014
File name: omnipresence-1.1.dmg
Size: 5.7 MB