Working at empuxa, creator of the c2dm-rails gem, a gem to easily send push notifications via the google cloud to device messaging service.
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Server Fault
Q&A for professional system and network administrators
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
Mathematics
Q&A for people studying math at any level and professionals in related fields
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
German Language & Usage
Q&A for speakers of German wanting to discuss the finer points of the language and translation
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
