The Observation Deck
The blog by Bryan Cantrill, a co-creator of DTrace, covers topics related to systems programming, operating systems, and technology insights.
Blogs about open-source
Drew DeVault's blog
Technical blog mostly focusing on the free and open source space.
Evan Hahn's blog
Evan's programming blog that covers a variety of projects and hot-tos.
John McBride
John is a senior software engineer at OpenSauced where he is working on backend infrastructure.
Scott Hanselman
Blog from a programmer, teacher, and speaker working from a home office in Portland, OR.
Radek Pazdera
A blog about building software and writing on the internet.