q&a for computer enthusiasts and power users

q&a for system and network administrators

stack overflow | the world’s largest online community for developers

q&a for ubuntu users and developers

github is where people build software. more than 100 million people use github to discover, fork, and contribute to over 420 million projects.

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 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.

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…