Realm is a mobile database: a replacement for Core Data & SQLite
A software update framework for macOS
Asynchronous socket networking library for Mac and iOS
Dates and times made easy in iOS
Dash gives your iPad and iPhone instant offline access to 200 API docs
Replacement for UILabel that supports attributes, data detectors, etc.
Library for aspect oriented programming in Objective-C and Swift
Qalculate ported to Mac OS X