Dimensions is yet another must-have Chrome extension for designers and developers that seek for an easy way to measure pixels. And since this is an open source project, I really hope someone can bring it to Safari… although I seriously doubt it.
Griddify is a Photoshop panel that eases the process of creating grids and guides. You remember when you were a kid and someone brought you a new game, a candy, a gadget or anything that you wished you had but you didn’t know if it existed or if someone will ever make it? Yeah… that’s the feeling I got once I installed that little gem. And if you think I’m overreacting… have a look at this short tutorial or install it and see for your self.
Speaking of introduction video… theatrejs seems like another cool thing to try!