iPad阅读器开发

http://mobile.tutsplus.com/tutorials/iphone/building-an-ipad-reader-for-war-of-the-worlds/

http://mobile.tutsplus.com/tutorials/iphone/ios-sdk-using-a-slider-to-scrub-a-pdf-reader/

http://mobile.tutsplus.com/tutorials/iphone/ios-sdk-adding-a-table-of-contents-to-an-ipad-reader/

ipad UI 24个免费资源

http://www.cocoachina.com/applenews/devnews/2011/0915/3237.html

TableView的扩展

https://github.com/OliverLetterer/UIExpandableTableView

Orge3D for iOS

http://code.google.com/p/gamekit/

http://www.tonybhimani.com/2011/07/09/ogre3d-sdk-1-7-3-for-apple-iphone-ios-howto/

文档比Three20更全的类Three20库

https://github.com/jverkoey/nimbus

iOS Boilerplate一个库集合，方便开发

http://iosboilerplate.com/

https://github.com/gimenete/iOS-boilerplate

openCV for iOS

http://code.google.com/p/edgy-camera-ios/

https://github.com/BloodAxe/opencv-ios-template-project

https://github.com/BloodAxe/OpenCV-iOS-build-script

http://computer-vision-talks.com/2011/02/building-opencv-for-iphone-in-one-click/

http://computer-vision-talks.com/2011/01/using-opencv-in-objective-c-code/

http://computer-vision-talks.com/2011/08/a-complete-ios-opencv-sample-project/

PageCurl for iOS

https://github.com/xissburg/XBPageCurl

https://github.com/raweng/FlipView

https://github.com/Split82/HMGLTransitions

http://api.mutado.com/mobile/paperstack/

iOS PDF实例

http://www.cocoachina.com/bbs/read.php?tid=75173

https://github.com/vfr/Reader

Core Animation

http://nachbaur.com/blog/core-animation-part-1

http://nachbaur.com/blog/core-animation-part-2

http://nachbaur.com/blog/core-animation-part-3

http://nachbaur.com/blog/core-animation-part-4

Core Data注意的地方

http://nachbaur.com/blog/smarter-core-data

http://iphonedevelopment.blogspot.com/2009/09/core-data-migration-problems.html

GCD

http://nachbaur.com/blog/using-gcd-and-blocks-effectively

http://deusty.blogspot.com/2011/01/multi-core-ios-devices-are-coming-are.html

MKMapView zoom level

http://troybrant.net/blog/2010/01/mkmapview-and-zoom-levels-a-visual-guide/

http://troybrant.net/blog/2010/01/set-the-zoom-level-of-an-mkmapview/

HTML parser

http://www.cocoanetics.com/2011/09/taming-html-parsing-with-libxml-1/

https://github.com/topfunky/hpple

https://github.com/zootreeves/Objective-C-HMTL-Parser

openGLES

http://www.ityran.com/portal.php

Charts绘制开源库

http://code.google.com/p/core-plot/

https://github.com/ReetuRaj/MIMChart-Library   说明文档

apple 私有api文档

http://hexorcist.com/private_frameworks/html/main.html

类safari的切换页面库

https://github.com/100grams/HGPageScrollView

自定义Slider组件

https://github.com/buildmobile/iosrangeslider

iOS Range Slider Part 1
iOS Range Slider Part 2

一些自定义组件：

自定义UIAlertView

自定义BadgeView

自定义数字键盘

QR Encoder二维码识别

https://github.com/jverkoey/ObjQREncoder

xml解析库

https://github.com/ZaBlanc/RaptureXML

wapper map for iOS

https://github.com/yinkou/OCMapView

iOS unitity

https://github.com/ZaBlanc/iBoost

https://github.com/escoz/QuickDialog/

socket

http://code.google.com/p/cocoaasyncsocket/

custom camera view

https://github.com/pmark/Helpful-iPhone-Utilities

http://www.codza.com/custom-uip_w_picpathpickercontroller-camera-view

本地天气demo

http://www.cocoachina.com/bbs/read.php?tid-72558-fpage-3.html

浏览器飞行动画

http://www.cocoachina.com/downloads/video/2011/1002/3313.html

切换动画demo

http://www.cocoachina.com/bbs/read.php?tid-76431-page-1.html

Automatic Reference Counting

http://www.mikeash.com/pyblog/friday-qa-2011-09-30-automatic-reference-counting.html

voip for ios development

http://trac.pjsip.org/repos/wiki/Getting-Started/iPhone

http://www.piemontewireless.net/PJSip155_and_iPhoneSDK312

http://code.google.com/p/siphon/

图像处理

http://www.cocoachina.com/downloads/code/2011/1009/3335.html

脚本自动生成push notification所需证书

https://github.com/jprichardson/GeneratePushCerts

自定义ActivityIndicator

https://github.com/hezi/HZActivityIndicatorView

开源库for ios

boost for iphone

ffmpeg for iphone

opencore amr for iphone

iOS网络相关

bonjour