owuproximitymanager

iBeacons + CoreBluetooth

paperfold-for-ios

Paper folding animation for iOS

paperfoldmenucontroller

A navigation menu on the left of the screen using on PaperFold

popoverview

A simple UIView popover control for iPhone/iPad written in CoreGraphics.

potatso

(unmaintained) Potatso is an iOS client that implements Shadowsocks proxy with the leverage of NetworkExtension framework in iOS 9.

potatso-ios

Potatso is an iOS client that implements Shadowsocks proxy with the leverage of NetworkExtension framework in iOS 9.

praugmentedreality

iOS AR Library

prettykit

PrettyKit for iOS is a small set of new widgets and UIKit subclasses that gives you a deeper UIKit customization. You will be able to change their background color, add gradients, shadows, etc.

pstcollectionview

Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+

puzzle-ios

qbimagepickercontroller

A clone of the UIImagePickerController with multiple selection feature

reactivecocoa

A framework for composing and transforming streams of values

reactivityviewcontroller

Open source alternative to UIActivityViewController, highly customizable and compatible with iOS 5.0.

restkit

RestKit is a framework for consuming and modeling RESTful web resources on iOS and OS X

rscategories

Essential categories for UIImage, NSSDate, NSString and more for iOS

rtlabel

simple rich text display for iOS using html-like markups

saslidemenu

Library to create iOS sliding menu compatible with storyboards

scpagescrubberbar

A page scrubber bar like ibooks.

sdurlcache

URLCache subclass with on-disk cache support on iPhone/iPad

sdwebimage

Asynchronous image downloader with cache support with an UIImageView category

shsidebarcontroller

Sidebar with folding effect for iOS

shuikitblocks

Prefixed Blocks for UIKit on categories _without_ libffi and swizzling

si-calendar

Savage Interactive's easy to use iOS calendar object.

sialertview

An UIAlertView replacement with block syntax and fancy transition styles.

speedlimit

Network bandwidth limiter for testing iphone apps

sstoolkit

A collection of well-documented iOS classes for making life easier

stutils

svhttprequest

Simple REST client for iOS and Mac.

swsnapshotstackview

Snapshot Stack View cocoa touch class decorates your UIImage's for presentation to the user with matte border, drop shadows and simulated stack of physical photos.

tapkulibrary

tap + haiku = tapku, a well crafted open source iOS framework