Advogato: Free software developers advocate. The goal of the site is to serve as a community resource for free software developers around the world, as well as a research testbed for work on group trust metrics.
Andrew Francis: A blog discussing how to write better software: software development project management, coding techniques, methodologies, and tips and tricks, amongst others.
BrainLoaf: A weblog about software development tools and methodologies.
ComputerZen.com: The Zen of XML and .NET written by a MSDN Regional Director. Muses on design patterns and software architecture and development.
CotéCode: Notes on programming from Coté
Evolt: Community of and articles by web developers. Covers all areas of professional web design. Also, all existing web browsers are available for downloading.
Forever Geek: Site covering programming, Windows, Apple, and Open Source software daily, and Internet technologies.
Geek Noise: Peter Provost's blog dedicated to programming, Microsoft .NET and other technology news.
IUnknown.com: John Lam's weblog on software development.
Joel on Software: A weblog by Joel Spolsky, a programmer working in New York City, about software and software companies.
Sanjay's Journal of Coding Tips: Focused on software engineering and programming/coding tips.
Workbench: Programming and publishing news and commentary by computer book author Rogers Cadenhead.