I used part of the "Laundry App UI Kit Sketch Resource" design that was designed by Satheesh Kumar at: https://www.sketchappsources.com/free-source/3397-laundry-app-ui-kit-sketch-freebie-resource.html to create a quick prototype

A simple to do list project. Input into the text field and click 'Add' to add to your list. You can clear things you have done and reset the list after 8 inputs have been added.

Citrix Tech Fair entry demonstrating concepts for Secure Mail.

A simple animated Flowchart. Click on each tab and the arrows when zoomed in to transition to the next one. Design credited to: https://www.sketchappsources.com/free-source/3636-entity-relationship-model-erd-diagram-library-sketch-frebie-resource.html

Basic To Do prototype based on: https://www.sketchappsources.com/free-source/3625-basic-to-do-app-design-sketch-freebie-resource.html