Zeek is a powerful network analysis framework that is much different from the typical IDS you may know.

Arkime is an open source, large scale, full packet capturing, indexing, and database system.

OSSEC is an Open Source Host-based Intrusion Detection System that performs log analysis, file integrity checking, policy monitoring, rootkit detection, real-time alerting and active response.

Metasploit Framework

Mac Intrusion Detection Analysis System

OS X Auditor is a free Mac OS X computer forensics tool

Alienvault Labs Projects Random Stuff

Cuckoo Sandbox is an automated dynamic malware analysis system

A static analysis security vulnerability scanner for Ruby on Rails applications

The Sleuth Kit® (TSK) is a library and collection of command line digital forensics tools that allow you to investigate volume and file system data. The library can be incorporated into larger digital forensics tools and the command line tools can be directly used to find evidence.

A network sniffer that logs all DNS server replies for use in a passive DNS setup

Distributed & real time digital forensics at the speed of the cloud

DEPRECATED - MozDef: Mozilla Enterprise Defense Platform

Ephemeral Docker jails for running untrusted Ruby code

SQL powered operating system instrumentation, monitoring, and analytics.

Scumblr is a web application that allows performing periodic searches and storing / taking actions on the identified results.

Multi-snort and honeypot sensor management, uses a network of VMs, small footprint SNORT installations, stealthy dionaeas, and a centralized server for management.

GRR Rapid Response: remote live forensics for incident response

UNIX-like reverse engineering framework and command-line toolset

The Browser Exploitation Framework Project

A static analyzer for Java, C, C++, and Objective-C

A forensic evidence collection & analysis toolkit for OS X

A powerful and user-friendly binary analysis platform!

Find interesting and potentially hazardous commits in git projects