Exe (exe.dev) is a cloud computing platform that provides developers and AI agents with durable, fast, secure, and shareable virtual machine sandboxes. It offers a subscription-based pool of CPU, RAM, and disk from which users can spin up persistent KVM-isolated VMs on demand, accessible via SSH, with built-in HTTPS, private-by-default access, copy-on-write cloning, secrets management, and an integrated AI coding agent (Shelley).