Jazzy
Soulful docs for Swift & Objective-C
... the project you wish to document. Jazzy supports both Xcode and Swift Package Manager projects. Jazzy expects to be running on macOS. Run jazzy from your command line. Run jazzy -h for a list of additional options. Swift documentation is written in markdown and supports a number of special keywords. You can set options for your project’s documentation in a configuration file, .jazzy.yaml by default.