UI Development

• Should you wish to build a fancy SVG spinner for your next project, SVG Circus seems like a valid tool to do just that.
• Marka is a set of beautiful transformable icons built for the web.
• With the premiere of iPhone 6, PaintCode prepared one handy guide to iPhone resolutions.
• Midnight.js lets you add style transitions to fixed headers.
• Responsive logos, an interesting experiment of packing logos depending on size of the canvas.
• BackgroundCheck lets automatically switch to a darker or a lighter version of an element depending on the brightness of images behind it.

Data Visualization

• How We Created Color Scales, a great walk-through creating color scales for charts and visualizations by my talented colleagues.

Illustration

• Neat catalogue of Swiss illustrators: Illustratoren Schweiz.

Symmetry and Geometry

• Fascinating TED talk mentioning some Alhambra pieces I got to admire very recently: Symmetry, reality's riddle by Marcus du Sautoy.
• Gerstnerizer, a pattern generator based on the idea of the book forms of colors.