Non-interactive mockups

Tools

• Sketch - Industry-standard (macOS only)
• Templates for sketching UIs on paper

2D resources for mockups

• Storyboarder - Free cross-platform tool for making animated storyboards
• Gesty Vector images of gestures
• Mobile phone photos Situate a mock-up in a photo of a mobile device
• UI8 Variety of commercial visual assets for wire framing and sketching

Putting mockups in motion

After Effects is commonly used to create videos of a UI, as well as compositing a faked UI into filmed scene

• Terry Gilliam on cut-out animation
• Using Mocha for tracking
• Using Mocha overlay a fake interface on to a videoed phone and another one
• UX in Motion Using After Effects to sketch animation (alternative link)
• After Effects: Adobe's introductory tutorials, or all videos