iOS Icon Gallery is a collection of hundreds of iOS App icon designs. It’s a great tool for inspiration on your next App design project.
One Page Love offers unique one page websites (not templates) for your inspiration and references.
Scrnshts is a great tool that provides a variety of App Store Screenshots, to inspire designers to market their next project!
Logopond is an inspirational showcase of logos and identity work from designers of varying abilities all across the world.