Open source red-teaming projects
Every project in the registry tagged red-teaming, ranked by real GitHub adoption.
A AI general-purpose state-space search engine, validated first on autonomous 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.
Akto is the fastest growing AI Security platform for your teams to secure AI agents, MCPs, LLMs, Agent skills, Gen AI apps in your organization.
Frequently asked questions
How many open source red-teaming projects are there?
This registry tracks 3 projects tagged red-teaming, with 7,020 GitHub stars between them. The most-adopted is Cairn at 2,834 stars.
Are these red-teaming projects free to use?
Yes — 3 of the 3 carry an explicit open-source licence across 3 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.
Which red-teaming project should I choose?
The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.
Are these red-teaming projects still maintained?
3 of the 3 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.