Bookmarks Resources free-for.dev | Free services for Infrastructure Developers free programming books O'Reilly eBooks (need subscription) untools | Collection of thinking tools and frameworks Awesome getAwesomeness() Developer Blogs iOS 独奏 Colors HEX to RGB Converter | COLORRRS Linux Linux 思维导图整理 Objective-C Awesome iOS Block Syntax IBInspectable / IBDesignable Trending CocoaPods Zen and the Art of the Objective-C Craftsmanship 【如何快速的开发一个完整的iOS直播app】(原理篇) KKBOX iOS/Mac OS X 基礎開發教材 Online Courses coursera edX RayWenderlich Udemy Open Source Society University Swift Hacking with Swift Swiftly | Swift 5.1 References UML PlantUML StarUML Vim Vimgifs