
windows
Run Windows inside a Docker container with KVM acceleration, automatic installation, and customizable resources. Supports multiple Windows versions,…

Run Windows inside a Docker container with KVM acceleration, automatic installation, and customizable resources. Supports multiple Windows versions,…

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…

Secure OCI container runtime that runs workloads inside lightweight VMs, providing strong isolation across Kubernetes, containerd, and CRI-O with…


Linux namespaces and seccomp-bpf sandbox

Apple Silicon device emulator.


Linux application sandboxing and distribution framework

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

Automated vulnerable Active Directory lab suite for practicing penetration testing techniques, with prebuilt domains/forests and standalone attack…

Main UserLAnd Repository

A security-focused library OS supporting kernel- and user-mode execution

A lightweight sandboxing tool for enforcing filesystem and network restrictions on arbitrary processes at the OS level, without requiring a container.

State-of-the-art native debugging tools

Multi-Cloud Security Auditing Tool

Isolated JavaScript sandbox for Node.js that runs untrusted code with restricted access to built-in modules and host resources via Proxy-based…

🛡️ Windows Hello™ style facial authentication for Linux