q&a for computer enthusiasts and power users

q&a for system and network administrators

stack overflow is the largest, most trusted online community for developers to learn, share​ ​their programming ​knowledge, and build their careers.

q&a for ubuntu users and developers

github is where over 100 million developers shape the future of software, together. contribute to the open source community, manage your git repositories, review code like a pro, track bugs and features, power your ci/cd and devops workflows, and secure code before you commit it.

reddit is a network of communities where people can dive into their interests, hobbies and passions. there's a community for whatever you're interested in on reddit.

a new tool that blends your everyday work apps into one. it's the all-in-one workspace for you and your team.

compute answers using wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. for math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music…

a computer science portal for geeks. it contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview questions.