1. **Integrated Development Environment (IDE):** Xcode is Apple’s official IDE for developing software for macOS, iOS, iPadOS, watchOS, and tvOS.

2. **Programming Languages:** It primarily supports programming languages such as Swift and Objective-C for iOS/macOS development.

3. **Interface Builder:** Xcode includes Interface Builder, a visual design tool for creating user interfaces without coding.

4. **Debugger:** It features a powerful debugger for finding and fixing bugs in code during development.

5. **Simulator:** Xcode provides simulators for testing applications on different Apple devices without the need for physical hardware.

6. **App Store Deployment:** Developers use Xcode to package and submit their apps to the Apple App Store for distribution.

7. **Version Control:** It integrates with version control systems like Git, allowing collaborative development and code management.

8. **Performance Analysis:** Xcode includes tools for profiling and optimizing code performance.

9. **Swift Playgrounds:** It supports Swift Playgrounds, an interactive coding environment for learning and experimentation.

10. **Continuous Integration:** Xcode Server facilitates continuous integration, automating the process of building, testing, and deploying apps.