Unikernels

Xen Project has been at the forefront of the birth of Cloud Operating Systems: specialized lightweight operating systems which are only intended to be used within a Virtual Machine. These Cloud Operating Systems may become the core of a new form of cloud, where a single hypervisor instance can support hundreds or even thousands of VMs.

Cloud Operating System List

The following Cloud Operating Systems currently have some relationship (formal or not) to the Xen Project:

• MirageOS

Base language: OCaml

• Erlang on Xen

Base language: Erlang

• HalVM

 Base language: Haskell

• OSv

 Base language: Java

• GuestVM

 Base language: Java