PNGJ: https://code.google.com/p/pngj/
Stereograms: http://hjg.com.ar/st/
Guitar: http://leonbloyguitar.blogspot.com.ar/search/label/anime http://www.youtube.com/channel/UCW20bKZ9hapL5RNdE91ncwQ http://hjg.com.ar/ghibli/musica/
Mathematics
Q&A for people studying math at any level and professionals in related fields
Spanish Language & Usage
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Spanish language
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
Server Fault
Q&A for professional system and network administrators
Physics
Q&A for active researchers, academics and students of physics
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Musical Practice & Performance
Q&A for musicians, students, and enthusiasts
Christianity
Q&A for committed Christians, experts in Christianity and those interested in learning more
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Game Development
Q&A for professional and independent game developers
WordPress Answers
Q&A for WordPress developers and administrators
Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
User Experience
Q&A for user experience researchers and experts
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
French Language & Usage
Q&A for students, teachers, and linguists wanting to discuss the finer points of the French language
The Workplace
Q&A for members of the workforce navigating the professional setting
English Language Learners
Q&A for speakers of other languages learning English
Academia
Q&A for academics and those enrolled in higher education
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
Personal Productivity
Q&A for people wanting to improve their personal productivity
Writers
Q&A for authors, editors, reviewers, professional writers, and aspiring writers
Audio-Video Production
Q&A for engineers, producers, editors, and enthusiasts spanning the fields of audio, video, and media creation
Programming Puzzles & Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Graphic Design
Q&A for professional graphic designers and non-designers trying to do their own graphic design
Computational Science
Q&A for scientists using computers to solve scientific problems
Biblical Hermeneutics
Q&A for professors, theologians, and those interested in exegetical analysis of biblical texts
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
