Alternatives VMware virtualization, ControlUp Secure DX First Look and Citrix Director New Features.
Marius Sandbu is going through the alternative products for the VMware virtualization stack (ESXi) in the article Alternatives to VMware virtualization.
In the article ControlUp Secure DX - enhancing endpoint security Luke Irvine is having a glance look at the new ControlUp product Secure DX.
The new (upcoming) features in Citrix Director are described by Pooja Vivekanandan in the article Reduce MTTR with latest features from Citrix Director.