Libraries to …

Enhance and Layout User Interfaces

• Texture - Objective-C, CocoaPods
• YogaKit - implements Flexbox. Swift, Objective-C, CocoaPods

Style the App

• NUI - Style iOS apps with a stylesheet. Objective-C, CocoaPods
• Pixate Freestyle - styles native controls with CSS. Objective-C, CocoaPods (no longer supported)
• StylingKit - style using stylesheets and a CSS-like syntax. Objective-C, CocoaPods

Create Side Menu

• MMDrawerController - Objective-C, CocoaPods
• SWRevealViewController - Objective-C, CocoaPods
• ViewDeck - Objective-C, CocoaPods

Display Progress HUD

• CFProgressHUD - Swift, CocoaPods
• GSProgressHUD - Objective-C, CocoaPods
• LHProgressHUD - Objective-C, CocoaPods
• MBProgressHUD - Objective-C, CocoaPods
• ProgressHUD by relatedcode - Objective-C, CocoaPods
• SVProgressHUD - Objective-C, CocoaPods
• ZVProgressHUD - Swift, CocoaPods

Tab/Segment View

• CMPageTitleView - Objective-C, CocoaPods
• HMSegmentedControl - Objective-C, CocoaPods

Date Picker

• CXDatePickerView - Objective-C, CocoaPods

Enhance any UI Elements

• DKCircleButton - circle button with animation. Objective-C, CocoaPods
• IGListKit - A data-driven UICollectionView framework for building fast and flexible lists. Objective-C, CocoaPods
• Shimmer - add a simple shimmering effect to any view. Objective-C, CocoaPods

Image

• FLAnimatedImage - Animated GIF engine for iOS. Objective-C, CocoaPods
• Haneke - image cache. Objective-C, CocoaPods
• PINRemoteImage - Objective-C, CocoaPods

Video

• KSYLive_iOS - Objective-C, CocoaPods
• LFLiveKit - Objective-C, CocoaPods

Create URL based In-App Router

• ABRouter - Objective-C
• FSQRoutes - by Foursquare Labs. Objective-C, CocoaPods
• HHRouter - Objective-C, CocoaPods
• Routable - Objective-C, CocoaPods

Transfer a URL

• AFNetworking - Objective-C, CocoaPods
• Alamofire - Swift, CocoaPods
• GTMSessionFetcher and [GTMHTTPFetcher](https://github.com/google/gtm-http-fetcher) - by Google. Objective-C, CocoaPods
• STHTTPRequest - Objective-C, CocoaPods

WebSocket

• SocketRocket - A conforming WebSocket (RFC 6455) client library for iOS, macOS and tvOS. Objective-C, CocoaPods

Data Store

• Core Data
• FMDB - SQLite wrapper. Objective-C, CocoaPods
  • FCModel - Alternative to Core Data
  • FMDBMigrationManager
• Realm Objective-C & RealmSwift - Swift, Objective-C, CocoaPods

Define Models

• Mantle - Objective-C, CocoaPods

Testing

• EarlGrey - UI automation test framework. Objective-C, CocoaPods
• KIF - integration test framework. Objective-C, CocoaPods
• Nimble - Swift, Objective-C, CocoaPods
• OHHTTPStubs - Swift, Objective-C, CocoaPods
• Spry - Playgrounds Unit Testing. Swift, CocoaPods

Miscellaneous

• Chameleon - maintain app color profile. Swift, Objective-C, CocoaPods
• DateTools - streamlined date and time handling. Swift, Objective-C, CocoaPods
• GetRated - Promote your iOS apps. Objective-C, CocoaPods
• GHMarkdownParser - Markdown. Objective-C, CocoaPods
• KVOController - Simple, modern, thread-safe key-value observing for iOS and OS X. Objective-C, CocoaPods
• PINCache - Objective-C, CocoaPods
• UberSignature - draw signature with finger. Objective-C

Code Snippets

Open settings app

[[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];

UIApplication.sharedApplication.openURL NSURL.URLWithString(UIApplicationOpenSettingsURLString)