Red Team Open Source Projects
Discover 2 open source Red Team repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Red Team projects here are most often combined with Security, Automation and Cross Platform. Last updated October 11, 2026.
sliver: Run Cross-Platform Adversary Emulation
Sliver is a Go-based framework for authorized red-team testing, with cross-platform implants and multiple command-and-control options. It is actively maintained and suits teams that need to simulate adversary activity across macOS, Windows, and Linux.
ActiveHealth 66/100
caldera: Automate Adversary Emulation and Red-Team Operations
Caldera is a self-hosted platform for emulating adversary behavior using the MITRE ATT&CK framework. It combines a command-and-control server, web interface, and extensible plugins for security testing and incident response.
ActiveHealth 58/100