Apple’s Keynote is one of the best apps for wireframing + design sketches, get some templates now (also work in PPT) #mlearncon

If you have a Mac, iPad or iPhone with Keynote installed, here’s a great wireframe toolkit from http://KeyNoteKungFu.com. You can purchase them for $12 and get setup within minutes to start designing your next web or learning project. You can also use them in Powerpoint if you are stuck on a pc┬á ­čśë

 

Keynotopia
I’ve been using for the last couple of weeks and love them. Buy the whole set for $39.
User_interface_design_librarie

 

Free Templates
Sketched Components, looks like you sketched everything. http://www.raizlabs.com/blog/294/wireframing-in-powerpoint
Screenshot1
Wireframes-stencil-overview

 

Learn more about Keynote:
iPhone / iPod Touch / iPad

 

Mac