Our list of the best Editor that supports syntax highlighting, code completion, and smart indentation – 2025
To make it easier, we’ve grouped these into categories with the most popular first.
Although there are some similarities in features between these, depending on your situation, you might find one is more suitable to your needs.
Editor that supports syntax highlighting, code completion, and smart indentation for Software Developers
Xcode
Xcode is Apple's official IDE (Integrated Development Environment) for creating apps for Mac, iPhone, iPad, Apple Watch, and Apple TV. It includes a powerful code editor, debugging tools, and integrated support for iOS, macOS, tvOS, and watchOS.