The KubeVirt incubator is a place to give projects associated with KubeVirt a room to grow. These projects are monitored by KubeVirt maintainers, but might not be ripe enough yet to be a part of core KubeVirt.
An easy to use demo: https://github.com/kubevirt/demo
File a bug: https://github.com/kubevirt/kubevirt/issues
Mailing list: https://groups.google.com/forum/#!forum/kubevirt-dev
Start contributing: https://github.com/kubevirt/kubevirt/blob/master/CONTRIBUTING.md
API Reference: http://www.kubevirt.io/api-reference/