Stars
Wiki to collect Red Team infrastructure hardening resources
Nishang - Offensive PowerShell for red team, penetration testing and offensive security.
Tools and Techniques for Red Team / Penetration Testing
Red Team's SIEM - tool for Red Teams used for tracking and alarming about Blue Team activities as well as better usability in long term operations.
Red Teaming Tactics and Techniques
List of Awesome Red Teaming Resources