Fonts for iOS:

https://github.com/mediacabinet/fawe-ios
https://github.com/nschum/FontAwesomeIconFactory
https://github.com/waterlou/WTGlyphFontSet

Commnad Master:
https://github.com/asm09fsu/CommandMaster

Obj-C (ARC) in depth :
http://adcdownload.apple.com//wwdc_2011/adc_on_itunes__wwdc11_sessions__pdf/322_objectivec_advancements_in_depth.pdf

Safari on iOS& and HTML changes
http://www.mobilexweb.com/blog/safari-ios7-html5-problems-apis-review