SolarWinds Log Analyzer - SolarWinds Log Analyzer tool provides comprehensive log management and analysis with out-of-the-box visibility into performance and availability. Free trial!
v6Sonar - SaaS platform automating baselining, monitoring and troubleshooting of on prep and cloud services...
Nagios - Complete monitoring and alerting for servers, switches, applications, and services
Logz.io - Logz.io provides log analysis software with alerts, role-based access, unlimited scalability and free ELK apps. Index, search & visualize your log data!
Splunk - Splunk's operational intelligence platform helps unearth intelligent insights from machine data.
Sumo Logic - Sumo Logic is a secure, purpose-built cloud-based machine data analytics service that leverages big data for real-time IT insights