There are many websites that can be useful for software engineers, depending on what you're looking for. Some popular options include:

• Stack Overflow: a Q&A site for programmers to share knowledge and help each other troubleshoot code

• GitHub: a platform for developers to host and share code, as well as collaborate on open-source projects

• HackerRank: a platform for coding challenges and competitions, as well as a resource for practicing coding skills

• Codecademy: an interactive learning platform for coding and computer science

• LeetCode: a platform for coding challenges and competitions, as well as a resource for practicing coding skills

• Coursera: a platform that offers online courses from top universities and organizations

• Udemy: a platform that offers online courses, many of them related to software development and programming

• CodePen: a social development environment for front-end developers.

• CodeProject: is an online community for programmers and developers to learn, share their knowledge and build their careers.

These are just a few examples, and there are many other websites and resources available depending on your specific interests and needs.