nxlog - NXLog offers log management solutions for companies of all sizes.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Splunk - Splunk's operational intelligence platform helps unearth intelligent insights from machine data.
SonicWall - SonicWall security solutions protects your network, systems, users and data from cyber threats.
Graylog - Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.
MikroTik RouterOS - The main product of MikroTik is a Linux-based operating system known as MikroTik RouterOS.