Simple Line Icons (Free PSD, Webfont) by GraphicBurger
100 Free Web and App UI Icons (PSD, SVG, EPS, PNG, Iconfont)
100 Free Web and App UI icons on Behance
Designs By Miss Mandee: 3 Free Sets of Social Media Icons
12+ Best Simple WordPress Themes of 2015
Beautiful One Page portfolio for UI Designer 'Roland Lösslein' featuring gorgeous transitions throughout the page. A good reference to how a One Pager can reposition itself in the right place after closing an AJAX loaded portfolio item.
Free download psd templates at Pixshub. All type of UI/UX Design template In different categories like icons, devices mock-ups, web app, ui kit, iphone, website templates.
Creative But Newest Website Designs for Inspiration more on html5themes.org
INSTANT DOWNLOAD - Shabby Chic Paint Chip Social Media and Website Icon Graphics - For Blogs and Websites - For Commercial or Personal Use
Free developer icon set from WPZoom