Synchronize directories
Xplico is a Network Forensic Analysis Tool (NFAT)
DSL for writing communication benchmarks
Live DVD with CORE network simulator
Middleware for distributed applications
Open Source SIEM
Energy and environmental monitoring of the server room
download and convert ip block list
Scalable, distributed monitoring system for high-performance computing
Network link bonding/trunking/aggregation and multichannel VPN daemon
[UPDATE 28-10-2015] FINAL MULTIPLINK SSH LIFETIME v2.0 UP-5 "FAREWELL"
Acquires external IP address from command line
fully modular opensource firmware for the ez430 chronos
Two-factor authentication system
a secure, open source OS for use inside USEagency facilities
...has moved to packetpeeper.org
Collects data about network useage using libpcap.
Hierarchical Cluster Engine project
NetStress is a DDoS and network stress testing tool.
ss7mon an SS7/SIGTRAN signalling monitor
Managing OpenBSD's Packet Filter with Python
Tool for identifying Network Service Dependencies