I love these books. I can't say enough good things about the A Book Apart library of books. I have access to all of them on my bookshelf & each one has proven to be a very useful resource to have within reach.

I use Viewport Resizer every single day for responsive website design and front-end development. As web developers, we all have our ways to check viewport size and the responsiveness of our sites - but, this one just fits the way I prefer to work better than anything else. 

Dummy copy for your projects is always a thing ... I mean, you've got to have words, right? Meet the Ipsums is a site where all the Lorem Ipsum generating tools come together - a one-stop-shop, if you will, for ipsum.