1. JserrorstacktraceCategory on NSError that stores the stack trace of the creation of the NSError object for later retrieval
2. JsbadgeviewCustomizable UIKit badge view like the one on applications in the iOS springboard.
3. RubikswiftRubik's cube API in Swift + a genetic solver algorithm
6. JsdecoupledappdelegateUIApplicationDelegate class that separates the different responsibilities into more more reusable classes.
7. JSPebbleRemindersPebble watchapp and iOS app to retrieve reminders and display them on the watch.
10. JSCacheSimple and fast thread-safe key-value cache class to easily archive objects and cache images to disk (built on top of EGOCache)
11. JSRestNetworkKitLightweight library to manage the backend of your iOS / Mac OSX applications perfect to work against a model-based REST backend