No specific info about version 2.2. Please visit the main page of NxFilter on Software Informer.
Powerful and comprehensive anti-malware and anti-ransomware program.
Monitor the devices attached to your system and control its data flow.
SurveilStar Activity Monitor is a free web activity monitoring application.
An internet activity filter with no password protection. Almost useless.
To control computers and internet for watching inappropriate contents.
R-Firewall allows you to protect your PC against many internet threats.