From http://www.cnblogs.com/wupher/archive/2012/04/28/2475132.html
Pull-down refresh
Save data to Keyring
A simple template engine is used to generate html
Omnigroup
This is actually not a class library, it is a cocoa recipe
Cocoapods provides a class library management tool like apt-Get Maven for xcode project, cool, see: http://www.cocoapods.org/
Opeventtracker help class for mainthread event monitoring
Core-plot IOS chart Rendering
Compared with the default IOS uiactivityindicator, mbprogresshud provides more types of progress prompts.
Log4j on cocoalumberjack objective-C
Reactivecocoa is a class library encapsulated on the basic KVO on GitHub. It provides monitoring and control functions for OBJ values. To be honest, it reminds me of AOP.
This is not a framework, but an app testing and crash report collection service. Both hockey and test filght provide similar services.
This is a simple extension of uiimage, which allows uiimage to load non-bundle resources conveniently.
Fppopover is a very convenient control for displaying information prompts.
Idoubs open-source IOS Sip/IMS videophone Client
Mpfoldtransition provides fold and flip Effects
Another advantage of the "pull-down refresh" control is that it has a strong user-defined function, a large amount of code corresponding to it, and a complicated file structure.
Afnetworking encapsulates another nsurlconnection. Compared with the previously used asihttprequest, the advantage of it is that the Protocol is parsed in this way, no matter XML or JSON, it directly supports parsing, you do not have to wait for a while.
Mgtiledmenu is a kind of objective-C encapsulation similar to path button. It is cool, but I am not sure about the applicable scenarios.
The sparrow open-source iOS game engine has never been used, but the web page looks good.
It is a very easy-to-use encapsulation class that can easily send Twitter messages.
Open-source filter library, used to add various filter effects to photos
Google API's objective-C client is indispensable if your code needs to access Google's services.
Smcalloutview is somewhat similar to fppover. It is an open-source implementation of uicalloutview in IOS. The latter is a private API and can only be used in mapkit. The author also wrote an article.
Uikit-artwork-exactor is not a control but a tool. It can easily export iOS and installed Application resource files.
Peertalk is a cool-like tool. Through this, you can use TCP/IP to communicate with USB devices and learn about the USB insertion and outbound events. This can be used for something cool.
Irate allows your program to support built-in app store ratings. Irate also supports iPhone/MAC appstore. Here is a tutorial to introduce how to use it.
Tbhintview to display various prompts and notifications in IOS apps
Xyorigami provides folding animation Effects
Aurosetteview is a display control that provides the turntable effect. It is similar to the famous control of path.
Chartee, which supports creating a K-line chart on the iOS platform
Dropdownmenu: supports pop-up menus, which are abrupt In the UI.
Azgenieview to achieve genie animation effect, that is, the image is sucked into the waste bin after being stretched.
Jsbadgeview achieves the same effect as the badgevalue in iOS and MACOs. The effect is not valid only, but not limited to baritem and has more styles.
Iphone5 adopts the arvmv7s architecture, and the library has to be re-compiled (FFMPEG, OpenSSL ...), However, there is no library for armv7s in xcode. Here is a hacker article about how to cheat the compiler.
OpenSSL IOS compilation script, which supports armv6, armv7, and armv7s
Pstcollectionview and uicollectionview are cloned in ios5.