LogicMonitor - LogicMonitor is the SaaS performance monitoring platform for the world's best IT teams. Deploy Fast, Monitor More, Improve Ops.
FastNetMon - FastNetMon is a very fast DDoS analyzer with sflow/netflow/mirror support.
GoAccess - Open source real-time web log analyzer and interactive viewer that runs in a terminal in *nix...
Arbor - Easily manage product development
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!
Corero - Real-time, high-performance, automatic DDoS attack protection, on-premis and in the cloud, with comprehensive attack visibility, analytics, reporting.