Designed to be a very high-performance Objective-C JSON library.

Apache CouchDB on iOS provides a simple way to sync your application data across devices and provide cloud backup of user data. Unlike other cloud solutions, the data is hosted on the device by Couchbase Mobile, so even when the network is down or slow (airplane, subway, backyard) the application is responsive to users.

RestKit is an Objective-C framework for iOS that aims to make interacting with RESTful web services simple, fast and fun. It combines a clean, simple HTTP request/response API with a powerful object mapping system that reduces the amount of code you need to write to get stuff done.

These classes aim to mimic some of the functions of the built-in Google Maps App on iOS for you. Currently the library contains a simple Location Manager-Singleton that sends out notifications when CLLocationManager-Delegate-Methods are called and a UIBarButtonItem/UIButton that acts as a Locate-Me Button that behaves similar to the one in the Google Maps App. The switch from one mode to another is animated, just like in the Google Maps App.

This class provides a custom iOS (iPhone + iPad) status bar overlay window known from Apps like Reeder, Google Mobile App or Evernote. It currently supports touch-handling, queuing of messages, delegation as well as three different animation modes.

OpenEars is an open-source iOS library for implementing round-trip English language speech recognition and text-to-speech on the iPhone and iPad, which uses the CMU Pocketsphinx and CMU Flite libraries.

OpenEars can:

* Listen continuously for speech on a background thread, while suspending or resuming speech processing on demand, all while using less than 10% CPU on average on an iPhone 3G (decoding speech and speaking uses more CPU),
* Use any of 8 voices for speech,
* Know whether headphones are plugged in and continue voice recognition during speech only when they are plugged in,
* Dispatch information to any part of your app about the results of speech recognition and speech, or changes in the state of the audio session (such as an incoming phone call or headphones being plugged in),
* Deliver level metering for both speech input and speech output so you can design visual feedback for both states.
* Support JSGF grammars,
* Be easily interacted with via standard and simple Objective-C methods,
* Have all significant operating options controlled via configuration files,
* Be installed in a Cocoa-standard fashion using static library projects that, after initial configuration, allow you to target or re-target any SDKs or architectures that are supported by the libraries (verified as going back to SDK 3.1.2 at least) by making changes to your main project only.