CodeChef is a global competitive programming platform which supports over 50 programming languages.
GitHub is where people build software. More than 19 million people use GitHub to discover, fork, and contribute to over 52 million projects.
Codecademy is the world's most popular way to learn over 12 coding languages including HTML, CSS, JavaScript, Python, SQL, and Ruby.
Programming problems and contests in different domains of Computer Science. Solve interesting and challenging programming problems.
A language-independent collaboratively edited question and answer site for programmers. Questions and answers displayed by user votes and tags.
Bitbucket is the Git solution for professional teams. Collaborate on code with inline comments and pull requests.
Leading source of Information Security, latest Hacking News, Cyber Security, Network Security with in-depth technical coverage of issues and events.
Learn to code and build projects for nonprofits. Build your full stack web development portfolio today.
Learn how to focus your time and effort on what has the highest impact on your work and life.