Three20:https://github.com/facebook/three20
Google gdata:http://code.google.com/p/gdata-objectivec-client/
720 Panorama Display panoramagl:http://code.google.com/p/panoramagl/
IOS app Encryption: Http://t.cn/RzUn7DF
Scan WiFi Information:
http://code.google.com/p/uwecaugmentedrealityproject/
http://code.google.com/p/iphone-wireless/
Barcode scanning:
Http://zbar.sourceforge.net/iphone/sdkdoc/install.html
TCP/IP communication protocol:
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/
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 encoded decoding: http://code.google.com/p/json-framework
Base64 encoding and decoding:
http://code.google.com/p/google-toolbox-for-mac/source/browse/trunk/Foundation/?r=87
Safely save user password to keychain: Https://github.com/ldandersen/scifihifi-iphone
Load wait effects framework (Private API): Https://github.com/jdg/MBProgressHUD
HTTP and other related protocols encapsulation: Http://allseeing-i.com/ASIHTTPRequest
Drop-Down Refresh code: Https://github.com/enormego/EGOTableViewPullRefresh
Load the picture asynchronously and cache the code: http://www.markj.net/iphone-asynchronous-table-image/
iphone Tts:https://bitbucket.org/sfoster/iphone-tts
Regular expression: http://regexkit.sourceforge.net/RegexKitLite/
OAuth Authentication: http://code.google.com/p/oauth/
http://code.google.com/p/oauthconsumer/
iOS Open source project rollup