原文：http://blog.csdn.net/favormm/article/details/6664970?
如何用Facebook graphic api上传视频：
http://developers.facebook.com/blog/post/532/
Keychain保存数据封装：
https://github.com/carlbrown/PDKeychainBindingsController
对焦功能的实现：
http://www.clingmarks.com/?p=612
自定义圆角Switch按件：
https://github.com/domesticcatsoftware/DCRoundSwitch
弹出窗口For iphone and ipad:
https://github.com/chrismiles/CMPopTipView
KVO详解：
http://nachbaur.com/blog/back-to-basics-using-kvo
图片浏览:
https://github.com/bdewey/Pholio
Dropbox实例：
https://github.com/bdewey/dropvault
当地天气预报实例：
https://github.com/aspitz/WxHere
可伸缩的toolBar实例：
https://github.com/aspitz/ToolDrawer
app资源保护相关：
http://aptogo.co.uk/2010/07/protecting-resources/
cocos2d中也可用UIScrollView,UITableView,UIGestureRecognizers
https://github.com/jerrodputman/CCKit
http://www.tinytimgames.com/2011/08/05/introducing-cckit/
UITableView两级树型结构：
http://www.codeproject.com/KB/iPhone/collapsabletableview.aspx
iOS文档导入导出：
http://mobiforge.com/developing/story/importing-exporting-documents-ios
CoreAnimation Demo:
https://github.com/bobmccune/Core-Animation-Demos
CoreAnimation Dev:
Part 1 – Frame By Frame Sprites With Core Animation
Part 2 – Space Time
Part 3 – Scrolling Hell
Part 4 – Parallax Scrolling
iOS jabber聊天应用开发：客户端开发
http://mobile.tutsplus.com/tutorials/iphone/building-a-jabber-client-for-ios-interface-setup/
http://mobile.tutsplus.com/tutorials/iphone/building-a-jabber-client-for-ios-custom-chat-view-and-emoticons/
iOS jabber聊天应用开发：服务器搭建
http://mobile.tutsplus.com/tutorials/iphone/building-a-jabber-client-for-ios-server-setup/
iOS快速入门：
http://www.jonathanhui.com/ios
objc学习：
http://www.jonathanhui.com/objective-c
https://github.com/carlbrown/PDKeychainBindingsController
https://github.com/ldandersen/scifihifi-iphone
KeyChain封装，安全存数据：
http://developer.apple.com/library/mac/#documentation/Security/Conceptual/keychainServConcepts/02concepts/concepts.html
http://developer.apple.com/library/ios/#samplecode/GenericKeychain/Introduction/Intro.html#//apple_ref/doc/uid/DTS40007797-Intro-DontLinkElementID_2
声音相关：
http://purplelilgirl.tumblr.com/post/9377269385/making-that-talking-app
http://dirac.dspdimension.com/Dirac3_Technology_Home_Page/Dirac3_Technology.html
弹珠游戏：
http://www.crowsoft.com.ar/wordpress/?p=19
spring board类UI:
https://github.com/rigoneri/myLauncher
MacOS&iOS upnp:
http://code.google.com/p/upnpx
ios block learn:
http://ios-blog.co.uk/iphone-development-tutorials/programming-with-blocks-an-overview/
https://github.com/zwaldowski/BlocksKit
弹出框中输入用户名与密码：
https://github.com/enormego/EGOTextFieldAlertView
jailbreak iphone发送sms:
http://code.google.com/p/iphone-sms/
搜索itune里app的url scheme:
https://github.com/Zwapp/schemes-scanner
横竖屏切换自动调整位置：
https://github.com/michaeltyson/TPMultiLayoutViewController
键盘出现与消失view自动移动避免遮挡：
https://github.com/michaeltyson/TPKeyboardAvoiding
http://atastypixel.com/blog/a-drop-in-universal-solution-for-moving-text-fields-out-of-the-way-of-the-keyboard/
iOS类似firebug的web调试工具：
http://phonegap.github.com/weinre/
一个UI开源库tapkulibrary，集成了calendar,coverflow
https://github.com/devinross/tapkulibrary
http://maniacdev.com/2010/09/tapku-an-amazing-open-source-ios-interface-library/
多列的TableView
https://github.com/Xenofex/MultiColumnTableViewForiOS
mac的一个桌面程序，开源的
http://homepage.mac.com/nathan_day/pages/popup_dock.xml
PSTreeGraph for iPad
https://github.com/epreston/PSTreeGraph
文件预览like QLPreviewController
https://github.com/rob-brown/RBFilePreviewer
Interface Builder中用自定义字体解决方案
https://github.com/0xced/FontReplacer
有shader的UILabe
https://github.com/nicklockwood/FXLabel
GCD学习
http://blog.slaunchaman.com/2011/02/28/cocoa-touch-tutorial-using-grand-central-dispatch-for-asynchronous-table-view-cells/
http://www.raywenderlich.com/4295/multithreading-and-grand-central-dispatch-on-ios-for-beginners-tutorial
https://github.com/SlaunchaMan/GCDExample
让UITableView中有search功能教程
http://www.edumobile.org/iphone/miscellaneous/how-to-search-option-enable-in-tableview-in-iphone/
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-uiimagepickercontroller-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