Blogs/websites in no particular order:
* http://blog.codinghorror.com/ (Jeff Atwood)
* http://www.catonmat.net/ (Pete Krumins)
* http://blog.fogus.me/ (Mike Fogus)
* http://research.swtch.com/ (Russ Cox)
* http://effbot.org/ (Fred Lundh)
* http://adam.herokuapp.com/ (Adam Wiggins)
Podcasts in no particular order:
* http://www.dotnetrocks.com/ (NET Rocks)
* http://herdingcode.com/ (NET focused podcast with Scott Allen, Kevin Dente, Scoot Koon and Jon Galloway)
* http://www.coreint.org/ (A podcast about indie software development)
* http://www.talkpythontome.com/ (Python podcast)
* http://www.binpress.com/blog/category/podcast/ (Binpress podcast about digital products)
Magazines in no particular order:
* http://www.hackernewsletter.com/ (HN in PDF)
* http://www.codemag.com/magazine (Tech/coding news)
* http://www.drdobbs.com/ (Dr. Dobbs)
and many more.