Main skills:
- Programming languages: Java · Python · Scala · PHP · Lua · JavaScript · Prolog/Datalog · C++ · C · R
- Query languages: MySQL (+PL/SQL) · PostgreSQL (+PL/pgSQL) · SPARQL
- Web development and semantic web: (X)HTML · CSS · XML (XSL, XSLT, XML Schema) · JSON · RDF(S) · OWL2
- Build automation: Gradle · Maven · sbt
- Version control: SVN · Git
Stack Overflow
Q&A for professional and enthusiast programmers
Puzzling
Q&A for those who create, solve, and study puzzles
Italian Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Italian language
Mathematics
Q&A for people studying math at any level and professionals in related fields
Information Security
Q&A for information security professionals
Super User
Q&A for computer enthusiasts and power users
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Engineering
Q&A for professionals and students of engineering
Code Review
Q&A for peer programmer code reviews
Server Fault
Q&A for system and network administrators
Computer Science
Q&A for students, researchers and practitioners of computer science
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
English Language Learners
Q&A for speakers of other languages learning English
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Artificial Intelligence
Q&A for people interested in conceptual questions about life and challenges in a world where "cognitive" functions can be mimicked in purely digital environment
Philosophy
Q&A for those interested in the study of the fundamental nature of knowledge, reality, and existence
Vi and Vim
Q&A for people using the vi and Vim families of text editors
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Mathematics Educators
Q&A for those involved in the field of teaching mathematics
Academia
Q&A for academics and those enrolled in higher education
User Experience
Q&A for user experience researchers and experts
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Software Quality Assurance & Testing
Q&A for software quality control experts, automation engineers, and software testers
Bitcoin
Q&A for Bitcoin users, developers, and enthusiasts
Graphic Design
Q&A for Graphic Design professionals, students, and enthusiasts
Physics
Q&A for active researchers, academics and students of physics
Web Applications
Q&A for power users of web applications
Mathematica
Q&A for users of Wolfram Mathematica
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Network Engineering
Q&A for network engineers
Ask Ubuntu
Q&A for Ubuntu users and developers
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
Cross Validated
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Anime & Manga
Q&A for anime and manga fans
Data Science
Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field
Economics
Q&A for those who study, teach, research and apply economics and econometrics
Latin Language
Q&A for linguists, teachers, and students wanting to discuss the finer points of the Latin language
Open Data
Q&A for developers and researchers interested in open data
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites