The Type Classification eBook: Free 27 page e-book. All you need to do to get it is subscribe to - Just Creative. At the bottom of the RSS feed, there's a password that will unlock the download.
AIGA offers an e-book on the role the design process plays in business. They also offer a comprehensive salary report for designer jobs.
WordPress is a popular tool for most design jobs. Check out this help sheet.
The Yahoo Developer Network offers many different design stencils for jobs in graphics.
Getting Real is a free online book on design and how to develop software. You can buy the PDF if you want to read it offline.
MobiForge offers an e-book on mobile web design. All you need to do is sign up to become a registered user, and then you can download the file.
North Temple provides an excellent Accessibility Checklist, available online and in PDF.
Campaign Monitor offers information on CSS Support in Email.
For those who have trouble with CSS Selectors, a cheat sheet is offered by Cameron Moll.
Dive Into Accessibility offers a PDF with tips and information on making a website accessible.
Elliot Jay offers information on how to destroy the web 2.0 look. They also offer information about how Print is the New Web.
Jeff Croft offers information on Elegant Typography for the Web.
Simple Bits offers a presentation for designer jobs. Also offered is a presentation on juggling interface designs.
Entrepreneurs on Rails is a presentation about Ruby on Rails.
Freelance Switch offers a Guide to Making Passive Income.
Web Designer's Success Guide is full of information for web designers.
Time Management is difficult for designer jobs most of the time. A free e-book helps with this.
Contingency Design is a presentation on how to help when things go wrong.
Peter Pixel offers an Introduction to Good Usability.
SmashLAB offers a primer on Social Media.
AIGA offers a large PDF collection on Design and Business.
Computer Arts offers a large PDF collection for Design Jobs.
Creative Latitude offers a large PDF collection.
DevLounge offers information on How to Write a WordPress Plug-ins.
279 Days to Overnight to Success is an ebook by Chris Guillebeau
Test Your Positioning with this resource.
This presentation offers information on Writing Maintainable CSS.