In this episode of The Treehouse Show, Nick Pettit (@nickrp) and Jason Seifer (@jseifer) talk about the latest in web design, web development, html5, front end development, and more.

Here are the links for the week:

Macaw | The code-savvy web design tool.

JointJS – JavaScript diagramming library.

Test Responsive Web Design With Our Free Tool – Dimensions App

SassMeister | The Sass Playground!

Typer from LayerVault

Element Index | HTML5 Doctor