I'm a code enthusiastic, and I love to help other people learn.
Mathematics
Q&A for people studying math at any level and professionals in related fields
Arduino
Q&A for developers of open-source hardware and software that is compatible with Arduino
Data Science
Q&A for Data science professionals, Machine Learning specialists, and those interested in learning more about the field
Academia
Q&A for academics and those enrolled in higher education
Server Fault
Q&A for system and network administrators
Super User
Q&A for computer enthusiasts and power users
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
DevOps
Q&A for software engineers working on automated testing, continuous delivery, service integration and monitoring, and building SDLC infrastructure
Computational Science
Q&A for scientists using computers to solve scientific problems
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Engineering
Q&A for professionals and students of engineering
MathOverflow
Q&A for professional mathematicians
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
Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
Meta Stack Exchange
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Spanish Language
Q&A for linguists, teachers, students and Spanish language enthusiasts in general wanting to discuss the finer points of the language
Code Review
Q&A for peer programmer code reviews
Arqade
Q&A for passionate videogamers on all platforms
Software Engineering
Q&A for professionals, academics, and students working within the systems development life cycle
Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Robotics
Q&A for professional robotic engineers, hobbyists, researchers and students
Information Security
Q&A for information security professionals
Cross Validated
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization