diff --git a/README.md b/README.md
index 846818a..5ae7277 100644
--- a/README.md
+++ b/README.md
@@ -636,6 +636,7 @@ Software for management of [router](https://en.wikipedia.org/wiki/Router_(comput
 - [Docker Compose](https://docs.docker.com/compose/) - Define and run multi-container Docker applications. ([Source Code](https://github.com/docker/compose)) `Apache-2.0` `Go`
 - [Docker Swarm](https://docs.docker.com/engine/swarm/) - Manage cluster of Docker Engines. ([Source Code](https://github.com/moby/swarmkit)) `Apache-2.0` `Go`
 - [Docker](https://www.docker.com/) - Platform for developers and sysadmins to build, ship, and run distributed applications. ([Source Code](https://www.docker.com/community/open-source/)) `Apache-2.0` `Go`
+- [Greywall](https://github.com/GreyhavenHQ/greywall) - Deny-by-default command sandbox with filesystem and network isolation for CLI tools and AI coding agents. `Apache-2.0` `Go`
 - [LXC](https://linuxcontainers.org/lxc/) - Userspace interface for the Linux kernel containment features. ([Source Code](https://github.com/lxc/lxc)) `GPL-2.0` `C`
 - [LXD](https://linuxcontainers.org/lxd/) - Container "hypervisor" and a better UX for LXC. ([Source Code](https://github.com/lxc/lxd)) `Apache-2.0` `Go`
 - [OpenVZ](https://openvz.org) - Container-based virtualization for Linux. ([Source Code](https://src.openvz.org/projects/OVZ)) `GPL-2.0` `C`