In the ever-evolving world of software development, keeping up with new tools, languages, and trends is essential. Whether you're a beginner or an experienced developer, certain websites can make your development journey smoother, help you learn faster, and connect you with the larger programming community. In this article, we’ll explore 10 websites that every software developer should know.

Stack Overflow (https://stackoverflow.com)

Stack Overflow is a community-driven Q&A platform where developers can ask questions and share solutions to coding problems. With millions of questions and answers, it’s one of the best resources for getting help when you're stuck. Regardless of experience, developers face coding challenges, and Stack Overflow provides quick answers while also offering opportunities to help others by sharing your knowledge.

LeetCode (https://leetcode.com)

LeetCode is a platform for practicing coding challenges that focus on algorithms and data structures, widely used by developers preparing for technical interviews. It helps improve problem-solving skills, which are crucial for writing efficient code, and serves as an excellent resource for those preparing for interviews with tech companies.

HackerRank (https://www.hackerrank.com)

HackerRank offers coding challenges, competitions, and interview preparation materials across a wide range of topics, including algorithms, data structures, artificial intelligence, and databases. It’s an excellent platform for practicing coding problems, earning certifications, and preparing for job interviews with top tech companies.

CodePen (https://codepen.io)

CodePen is an online code editor for front-end developers, allowing you to create and share HTML, CSS, and JavaScript code snippets in real-time. It’s a great platform for experimenting with design ideas and collaborating on small projects with other developers. Ideal for front-end development, CodePen makes it easy to quickly test code and showcase your work to others.

W3Schools (https://www.w3schools.com)

W3Schools is a popular learning platform for web development, offering easy-to-follow tutorials and references for HTML, CSS, JavaScript, SQL, and other programming languages. Its beginner-friendly approach, combined with hands-on exercises, makes it an excellent starting point for anyone new to web development, helping learners practice and reinforce the concepts they acquire.