pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
LogRhythm - LogRhythm is a log management, security information and event management solution for organizations.
Cyberoam - Firewall
AlienVault OSSIM - Alienvault integrates and correlates many popular network and security monitoring tools in one...
Meraki MX Firewalls - Cloud managed networking from Cisco Meraki. The easiest and most IT-friendly solution for enterprise networking needs.
Graylog - Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.