Unless I explicitly state otherwise in a post, all my original contributions to StackOverflow and ServerFault are placed into the public domain. If this is not legally possible, then anyone receiving a copy of them by any means is granted a non-exclusive perpetual license to use, distribute and modify them, and to distribute modifications, under any license or none, with or without attribution to me. Please note that this license applies only to my original contributions.
Photography
Q&A for professional, enthusiast and amateur photographers
Server Fault
Q&A for professional system and network administrators
Stack Overflow
Q&A for professional and enthusiast programmers
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Personal Productivity
Q&A for people wanting to improve their personal productivity