Explore how to integrate C, C++, and Objective-C frameworks into Swift applications in this 19-minute conference talk from try! Swift Tokyo 2019. Discover the basics of the relationships between these languages and learn how to set up dependencies in Swift projects. Follow along as speaker Cecilia Humlelu demonstrates techniques to leverage existing open-source libraries written in C, C++, and Objective-C, effectively tripling your opportunities for creating unique apps. Gain insights into working with C dependencies, pointers, function pointers, C classes, and macros in Swift. Whether you're a seasoned developer or new to Swift, this talk offers valuable knowledge to expand your app development capabilities.