forkd alternatives
Curated alternatives to forkd — and why you'd switch.
CubeSandbox
Hardware-isolated microVM sandboxes for AI agents — sub-60ms boot, <5MB overhead, E2B-compatible API, self-hosted on your own KVM nodes.
Why switchBoth are self-hosted Firecracker-class microVM sandboxes for agents. CubeSandbox sells a platform (E2B-compatible API, sub-60ms cold boots); forkd sells a primitive — copy-on-write fork from a warm parent, which wins precisely when 100 children share one expensive warm state.
Full comparison →