Swift App Development is a multi-paradigm, compiled language developed by Apple Inc. for iOS, macOS, watchOS, tvOS, Linux and z/OS. Swift is designed for Apple's Cocoa and Cocoa Touch frameworks and the large body of existing Objective-C code written for Apple products.
The following are some tools which are helpful for swift development
Xcode’s Swift Migration Assistant
It’s always preferable to convert to the most recent version of Swift. However, if you have chosen to convert your code to Swift 3.2.Then Swift Migration Assistant can be helpful for cases such as adding the @objc annotation to some methods.
Formatting Tools
Tools like SwiftFormat and Swimat to format your Swift code according to your Choice. These tools follow a set of rules to style the formatting, spacing and indentation of your Swift code. You can also customize its formatting behavior and easily run it on a folder or you can make entire project after converting the code to Swift.
Linting Tools
Linting tools will provide you warnings or errors notifying you of possible code or bad practices. Linting tools, such as SwiftLint along with its SwiftLintForXcode extension, can check entire code to prevent possible runtime errors.
Conclusion
These tools will help you to automate certain programming task and help you to automate the migration process using Swift programming. It will also helps Swift developer to make work faster and easier.