There are 2 repositories under blue-teams topic.
"Security Incidents In A Box!" A modular, menu-driven, cross-platform tool for building customized, time-delayed, distributed security events. Easily create custom event chains for Blue- & Red Team drills and sensor / alert mapping. Red Teams can create decoy incidents, distractions, and lures to support and scale their operations. Build event sequences ("narratives") to simulate realistic scenarios and generate corresponding network and filesystem artifacts.
Source code of exploiting windows API for red teaming series
A port scanner and service detection tool that uses 1000 goroutines at once to scan any hosts's ip or fqdn with the sole purpose of testing your own network to ensure there are no malicious services running.
Collection of PowerShell functinos and scripts a Blue Teamer might use
List of some cybersecurity conferences
An easy to use tool built for incident response teams.
Introduction to SOC and related terminologies.
Blue Team resources and tools