
kern
Rootless container runtime and sandbox that launches kernel-enforced OCI images in milliseconds with no daemon, featuring resource profiles, seccomp…

Rootless container runtime and sandbox that launches kernel-enforced OCI images in milliseconds with no daemon, featuring resource profiles, seccomp…

Cross Distribution Exploit Testing

Open-source sandboxed runtime for AI agents — gVisor/Docker isolation, credential vault, immutable audit log. Built after CVE-2026-25253.

kali-linux-docker

A simple, lightweight PowerShell script that allows you to remove pre-installed apps, disable telemetry, as well as perform various other changes to…

Secure and fast microVMs for serverless computing.

Official QEMU mirror. Please see https://www.qemu.org/contribute/ for how to submit changes to QEMU. Pull Requests are disabled. Please only use…

Client-side Linux virtual machine running in the browser via WebAssembly, with Tailscale networking, Dockerfile-based custom images, and CTF…

🪅 Windows & Linux userspace emulator

Boot and manage virtual iPhones on Apple Silicon with firmware patching, jailbreak variants, and security research features for iOS testing and…

Customizable Windows-based virtual machine distribution pre-packaged with offensive security tools for penetration testing and red teaming operations.

Linux namespaces and seccomp-bpf sandbox

Main UserLAnd Repository

Metasploitable3 is a VM that is built from the ground up with a large amount of security vulnerabilities.

Linux application sandboxing and distribution framework

Automate the creation of a lab environment complete with security tooling and logging best practices