Alternatives to Comodo Firewall

	Comodo Firewall Version: 5.4.189068.1354 A simple and sleek firewall available for Windows to monitor internet traffic	System Mechanic Version: 21.7.0.34 A startup performance optimization tool for Windows	Ashampoo FireWall Version: Free 1.20 Free security and firewall software for Windows PCs	ZoneAlarm Free Antivirus + Firewall 2017 Version: 54 Popular antivirus and firewall software that also offers backup services
LICENSE	Free	Trial version	Free	Free
LANGUAGE	English	English	English	English
OS	Windows Vista	Windows 7	Windows XP Also compatible with Windows 2000	Windows Vista
Author	Comodo	Iolo	Ashampoo GmbH & Co. KG	ZoneAlarm
Rating	7.8/10 (63)	8.6/10 (124)	7.1/10 (9)	8.9/10 (1146)