If you’re building web applications, spin.js is an excellent resource to add to your toolkit. You can dynamically create loading spinners with JavaScript. You no longer need to use a loading .GIF to accomplish this. The best part is that you can change the spinner speed, width, color, size, etc. on the fly, without the need for making a new .GIF.

A great tool that lets you replicate the effects of layer styles (just like in Photoshop) from within the browser. Oh, and it generates the CSS for you.

We print your Instagram photos.

Another Instagram-related service has popped up. Printstagram, much like the name implies, will print your Instagram photos on a 20″ x 40″ print for $10 + shipping.

Teach your clients about the mysteries of the web.

A great idea, and a great resource for freelancers.

A clean and simple way to help align your layouts. No complex grid frameworks necessary.

If you design in the browser, this is a great tool to incorporate a grid quickly and easily.

A great site that shows off a collection of responsive websites. If you’re building a responsive web design and are looking for some inspiration, this is a great site to visit.