There was a download of PAR Government GV 3.0 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most frequent installer filenames for the software are: gelauncher.exe and gvlauncher.exe etc. The most popular version of the tool 1.0. The software relates to Desktop Tools. We recommend checking the downloaded files with any free antivirus. The actual developer of the free program is PAR Government Systems.
From the developer:
GV 3.0™ is the only DoD ISR Task-Force endorsed full motion video viewer. It is the only FMV product that fully adheres to all DoD Standards and Accreditations. GV 3.0™ is an imagery and video viewer tool which is platform independent, extensible, and product-oriented. It is used operationally by US DoD, NATO, and coalition partners to view NITF and UAV/UAS motion imagery data.
You may want to check out more software, such as GV IP Device Utility, GV-GIS or GeoVision GV-NVR System, which might be similar to PAR Government GV.