Dieter Rams Braun UI by Adrien Olczak.
Lovely page curl. Qiwy iOS app curl test by Mikael Eidenberg (link takes to 40 innovative ui concepts in dribbble)
Mobile Design Inspiration is a feed with the best mobile interfaces, app icons and other iPhone iPad and Apple Watch by top UX designers. Curated by Denis Pakhaliuk CEO at Ramotion - UX Design Agency.
ui buttons Phone Eclipse by Anton Repponen
White UI final 3 - Dashboard - from Dribbble
Stay up to date with daily web design news: Countdown app Design
This is one of the best ui infographics I have ever seen, love the flat ui look & especially like the bright orange/yellow colors!
Dribbble - Weather App (washing machine) by Kreativa Studio
Starred & Checked Action Buttons by Brendon Manwaring at Dribbble
menus, buttons and other UI elements from applications, mobile apps and webpages.