Citrix and Microsoft do something similar to what Microsoft and Novell did

Some shakeups in the virtualisation industry reveal the role of dirty maneuvers Is Microsoft grabbing greater control over VMware’s strategy and direction by appointing its former (and very notorious) executive, then pressuring out the company’s founders?

Citrix enables Microsoft's GNU/Linux-hostile hypervisor using Xen (XenSource), which it bought

Novell and Citrix have announced a new collaboration deal aimed at increasing virtualisation interoperability

Xen's Novell bias, the Citrix 'branding police', and FUD against Java revisited.

Analysis of virtualisation news from Citrix, Novell, and Red Hat

Red Hat too seems to have realised that Citrix (with XenSource) is just a vassal of Microsoft

It's time to standardise on KVM, decides the Linux Foundation. For those who are new to this discussion, here is necessary background on Ignition Partners, XenSource, Citrix, and Microsoft. It's reassuring to see that not only Canonical and Red Hat (in that order) realised what was going on.

Microsoft-tied entities brushing shoulders amongst people in the Free(dom) software world