<달력>
<sqlite>
http://code.google.com/p/pldatabase/ (BSD license)
<계산기>
http://code.google.com/p/hpcalc-iphone/ (GPL V2 license)
<트위터 클라이언트>
http://github.com/blog/329-natsuliphone-iphone-twitter-client
<facebook>
<rss reader>
<ebook reader>
<blog>
<백업, 동기화>
http://code.google.com/p/gris/ (구글 리더 동기화)
<time tracking>
<게임>
http://code.google.com/p/cocos2d-iphone/
http://code.google.com/p/tris/ (테트리스)
http://code.google.com/p/mintgostop/ (고스톱)
<google toolbox>
http://code.google.com/p/google-toolbox-for-mac/
<택배>
<이미지 프로세싱>
http://code.google.com/p/simple-iphone-image-processing/
<증강현실>
http://www.iphonear.org/
<coverflow 대체 구현>
http://apparentlogic.com/openflow/
<정규표현식 라이브러리>
<라이브러리 : JSON, DOM XML, Google Data APIs, Twitter, Flick, Game Engines, Unit Testr>
http://www.codingventures.com/2008/12/useful-open-source-libraries-for-iphone-development/
<기타>
http://open.iphonedev.com/
http://joehewitt.com/post/the-three20-project/



