Zabbix - Track, record, alert and visualize performance and availability of IT resources
FortiDDoS - FortiDDoS achieves superior & faster DDoS protection from known and zero-day attacks with low latency. Advanced DDoS protection for enterprise data centers.
nfsen-ng - nfsen-ng aims to be an in-place replacement for the ageing nfsen.
nginx - A high performance free open source web server powering busiest sites on the Internet.
FastNetMon - FastNetMon is a very fast DDoS analyzer with sflow/netflow/mirror support.
Kaspersky DDoS Protection - Distributed Denial of Service (DDoS) can cause financial costs for your business. Keep your service protected with Kaspersky DDoS-Protection!