The market is smaller (maybe, I'm not sure what the statistics are) but it would be interesting to see how Xen stacks up; also stuff like gVisor or libkrun. The

The market is smaller (maybe, I'm not sure what the statistics are) but it would be interesting to see how Xen stacks up; also stuff like gVisor or libkrun. The latter is probably implicitly the same as Firecracker given the ancestry of the libraries used.