Software used for this slideshow/animation?
Software you could do that effect with:


Adobe After Effects
Blackmagic Fusion
Nuke 
Autodesk Toxik 
Autodesk Flame 
Autodesk Smoke 
Adobe Premiere Pro
Apple Final Cut Pro and Final Cut X
Avid Media Composer
Avid Symphony
Corel video Studio
Magix Movie Edit Pro
Lightworks 
Sony Vegas
Natron
KDEnlive
Avisynth
Cinelerra
Pitivi
FFMPEG (given enough time)
Blender
Lightwave
3D studio Max
Autodesk Maya
Cinema 4d
Photoshop (yes, really)
the Gimp (ditto)
Processing (if you're handy with java)
OpenFrameworks (ditto, but C++)
many more… Pretty much any compositing, visual effects or 3D animation application, and most NLEs could do it


Could they have used a template: yes.