A network security analysis and monitoring toolkit Linux distribution.
Anti Spam SMTP Gateway
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Command line tool for managing Amazon S3 and CloudFront services
The box to keep the Internet under your control
Xplico is a Network Forensic Analysis Tool (NFAT)
PotHead
Open Source SIEM
Scalable, distributed monitoring system for high-performance computing
fully modular opensource firmware for the ez430 chronos
a secure, open source OS for use inside USEagency facilities
Python Based Brute Force Password Cracking Assistant By Clownsec
Collects data about network useage using libpcap.
Hierarchical Cluster Engine project
Batch system monitoring and archiving
NetStress is a DDoS and network stress testing tool.
Monitoring your infrastructure for free.
WatchTower is a cloud server monitoring and management tool