- JCTiledScrollView 253 A set of classes that wrap UIScrollView and CATiledLayer. It aims to simplify displaying large images and PDFs at multiple zoom scales.
- EGOTableViewPullRefresh 67 A similar control to the pull down to refresh control created by atebits in Tweetie 2.
- JCLocalizedString 28 A drop-in replacement for NSLocalizedString that enables you to change the language at run time
- iOS-ntp 28 A network time protocol client for iOS
- JCPriorityQueue 18 A set of priority queue classes for Objective C