30 Great Examples of Web Design Sketches - Designbeep
Defind Wireframe Sketches by Melissa Wong
Learn how sketching wireframes can help you speed up and innovate your creatives.
"Swipe to Login" Sketch, Eddie Lobanovskiy
Incredible wireframe sketches from Eddie Lobanovskiy
App Wireframe Sketch by Cat Smith
I find sketches insightful to how designers think.