GitHub is a widely-used platform for version control and collaboration in software development. It allows developers to host their code repositories, track changes, and collaborate with others seamlessly. With over 56 million users, GitHub provides tools for managing projects, sharing code, and contributing to open-source initiatives. Users can create repositories, commit changes, and utilize features like pull requests and issues to facilitate teamwork. Additionally, GitHub offers a robust API and command-line interface, enabling developers to automate tasks and integrate with other tools. Overall, GitHub is essential for modern software development, fostering collaboration and innovation across the globe.