clyp - iPhone Sidebar Navigation Inspiration for Mobile UI Sidebar Nav
Ball website - love the "hand-drawn" look of the typography. Fits in very cohesively with the brand.
re:pin BKLYN contessa :: airmail inspired UI
The Psychology of Web UI Design E-book Bundle -- Get 3 practical web UI design ebooks.
Futurico UI Pro Advanced User Interface Elements by vladimirkudinov on DeviantArt