Web Related

• The Web Developers Handbook
  One of the most impressive web-related link lists I've seen.
• Design Shack
  Huge design gallery of css based websites.
• A List Apart
  Explores design, development, and web content, with a focus on web standards.
• NettutsOnline web development tutorials.
• Smashing Magazine
  Smashing magazine is a weblog dedicated to web-developers and designers.

Design General

• Communication Arts
  Communication Arts magazine is the leading trade journal for visual communications.
• Veer
  Veer provides elements for design and creativity.
• Adobe
  Adobe software and services revolutionize how the world engages with ideas and information.

Productivity

• Peets Coffee
  Full Flavored Fuel
• Side Job Track
  Online project management and invoicing for freelancers.
• Todoist
  Online task management.