Two very different questions. Of note, they do not offer vendor certifications.
VMware & VCP isn't offered by Lynda.com. Scott696d address that above.
Lynda.com does primarily target the art, design, web, graphics, and photography community(s). They include a wide variety of vendor agnostic concepts. Related, they have modules on Photoshop and GIMP.
Microsoft doesn't have restrictions on training for its software. They even have a free YouTube channel (among many offerings)—
