Nagios Open Source network monitoring software - The Standard In ITM
Command line tool for managing Amazon S3 and CloudFront services
Enterprise-class, distributed monitoring solution for networks & apps
blocklists for openbsd,freebsd,linux,iptables,bsd pf,pf,ipfilter
Webinterface to (un)ban IPs in Fail2Ban
A client for the MikroTik RouterOS API protocol, written in PHP.
Scalable, distributed monitoring system for high-performance computing
NfSen plugin to generate and analyze per-IP statistics
Econet Fileserver (using AUN)
Show server load-average chart and run pre-define command remotely
Easy to use firewall for linux beginners.
Weblooker monitors serveral services on multiple systems for their sta