iPhone开源项目

扫描wifi信息：
http://code.google.com/p/uwecaugmentedrealityproject/
http://code.google.com/p/iphone-wireless/

条形码扫描：
http://zbar.sourceforge.net/iphone/sdkdoc/install.html

tcp/ip的通讯协议：
http://code.google.com/p/cocoaasyncsocket/

voip/sip：
http://code.google.com/p/siphon/
http://code.google.com/p/asterisk-voicemail-for-iphone/
http://code.google.com/p/voiphone/

three20
https://github.com/facebook/three20

google gdata
http://code.google.com/p/gdata-objectivec-client/

720全景显示panoramagl
http://code.google.com/p/panoramagl/

jabber client
http://code.google.com/p/ichabber/

PLBlocks
http://code.google.com/p/plblocks/

image processing
http://code.google.com/p/simple-iphone-image-processing/

json编码解码:
http://code.google.com/p/json-framework

base64编码解码:
http://code.google.com/p/google-toolbox-for-mac/source/browse/trunk/Foundation/?r=87

xml解析:
https://github.com/schwa/TouchXML

安全保存用户密码到keychain中:
https://github.com/ldandersen/scifihifi-iphone

加载等待特效框架(private api):
https://github.com/jdg/MBProgressHUD

http等相关协议封装:
http://allseeing-i.com/ASIHTTPRequest

下拉刷新代码:
https://github.com/enormego/EGOTableViewPullRefresh

异步加载图片并缓存代码:
http://www.markj.net/iphone-asynchronous-table-image/

iphone TTS:
https://bitbucket.org/sfoster/iphone-tts

iphone cook book 源码:
https://github.com/erica/iphone-3.0-cookbook-

iphone正则表达式:
http://regexkit.sourceforge.net/RegexKitLite/

OAuth认证:
http://code.google.com/p/oauth/
http://code.google.com/p/oauthconsumer/

蓝牙协议栈:
http://code.google.com/p/btstack/

语音识别:
http://www.politepix.com/openears/

ShareKit:
http://www.getsharekit.com/install/

日历控件:
http://code.google.com/p/iphonecal/

https://github.com/klazuka/Kal

开源项目汇总（一）

http://www.cocoachina.com/applenews/devnews/2013/0521/6250.html

开源项目汇总（二）

http://www.cocoachina.com/applenews/devnews/2013/0524/6273.html