DevOps is a methodology that emphasizes collaboration between development and operations teams, covering all aspects from software creation to deployment, and integrates a variety of tools and practices to enhance efficiency and communication. Unlike Agile, which is primarily concerned with flexibility in the software development cycle, DevOps extends beyond development to include testing, integration, deployment, monitoring, and infrastructure management. It involves using a diverse set of tools, such as Git for version control, Selenium for testing, and CI/CD tools like Travis CI and CircleCI to streamline processes. The adoption of infrastructure technologies like cloud services, containerization, and serverless computing is also part of the DevOps landscape, although their implementation varies by organization. Monitoring tools like the ELK stack and communication platforms such as Slack are essential for maintaining oversight and ensuring effective collaboration within teams. Ultimately, DevOps is not just about the tools but also the philosophy that guides how teams work together to improve application delivery and user interaction.