- apple/swift 32,584 The Swift Programming Language
- CocoaLumberjack/CocoaLumberjack 7,690 A fast & simple, yet powerful & flexible logging framework for Mac and iOS
- ResearchKit/ResearchKit 4,660 ResearchKit is an open source software framework that makes it easy to create apps for medical research or for other research projects.
- mutualmobile/MMWormhole 2,931 Message passing between iOS apps and extensions.
- 0xced/iOS-Artwork-Extractor 2,592 Extract iOS artwork and emoji symbols into png files, generate glossy buttons png files