CodeStream is a versatile open-source extension that enhances the functionality of IDEs like VS Code, Visual Studio, and JetBrains by integrating collaborative tools directly into the development environment. It streamlines workflows by allowing users to manage pull requests from GitHub, BitBucket, and GitLab, as well as handling issue tracking from platforms such as Jira, Trello, Asana, and several others. Additionally, CodeStream facilitates cohesive code discussions that link seamlessly with communication tools like Slack, Microsoft Teams, and email, while also providing in-editor notifications to keep developers informed. With CodeStream, programmers can quickly understand, review, and write code more efficiently, simplifying the process of getting answers to queries by merely selecting code and typing questions. It helps preserve valuable institutional knowledge by ensuring that discussions and insights are kept alongside the source code. Furthermore, the platform automatically mentions code authors based on git blame information, ensuring that relevant contributors are always in the loop. Conversations are persistently connected to specific code locations, maintaining context as branches evolve and new code is merged in, creating a dynamic and integrated development experience. This level of connectivity fosters a culture of collaboration and efficiency within development teams.