Ortwin Gentz, FutureTap

InAppSettingsKit. This iOS framework allows settings to be in-app in addition to or instead of being in the Settings app.

FTLinearActivityIndicator. Add the missing network activity indicator on notched iPhones

FTLocationSimulator. Simulate Core Location in the iPhone Simulator

FTiCloudSync. Automatically syncs NSUserDefaults across multiple iOS devices using iCloud.

iTunesFeaturedCheck. Scrapes the App Store and finds out whether an app is featured on either the App Store homepage or in a specific category

DeviceColors. DeviceColors uses a private API to retrieve the hardware color of iOS devices.

AppSales-Mobile. App Sales Mobile allows iPhone developers to download and analyze their daily and weekly sales reports from iTunes Connect.

FTAdditions. Collection of view-related additions

AppearancePlayground. Project for testing iOS 5 UI Appearance Customization

GestaltDump. Dumps all iOS MobileGestalt values

InAppSettingsKit-Swift-Sample. InAppSettingsKit Swift Sample App

QuincyKit. Manage crash reports of your iPhone and Mac OS X apps during development, beta phase and after rollout, follow news on Twitter via @crashreporter

GoogleAndMapKit. Sample project based on the Google Maps SDK for iOS, demoing features of Google Maps SDK and MapKit.

QuickRadar. Mac app to simplify posting bug reports to Apple's Radar bug tracking system.

GMGridView. A performant Grid-View for iOS (iPhone/iPad) that allows sorting of views with gestures (the user can move the items with his finger to sort them) and pinching/rotating/panning gestures allow the user to play with the view and toggle from the cellview to a fullsize display.

iOSDevDirectory. The iOS Dev Directory

Hockey. The iOS Ad-Hoc updater

UIViewController-Transitions-Example. An example of how to use the new iOS 7 APIs to create custom view controller transitions.

FileExplorer. FileExplorer is a powerful iOS file browser that allows its users to choose and remove files and/or directories

PhotoViewer. Quick PhotoViewer for the iPhone. Built upon our other reliable libraries: EGOImageLoading and EGOCache.

copy-symbol. `copy-symbol` is a command-line tool that copies a PNG image representation of a given SF Symbols name to the clipboard.

PhotoBrowserKit. Swift

TableSearchAnimation. Demonstrate an issue when adding a custom transition animation to a UISearchController

asi-http-request. Easy to use CFNetwork wrapper for HTTP requests, Objective-C, Mac OS X and iPhone

MSCMoreOptionTableViewCell. Drop-in solution to achieve the "More" button in an UITableView's "Swipe to Delete" menu (as seen in Mail.app under iOS 7)

PanoExtensionDemo. Google Maps SDK seems to not work from within an action extension

MTCDemo. iMessage extension demo, presented at MobileTechCon Munich 2017

active_admin. The administration framework for Ruby on Rails applications.

DCIntrospect. Small library of visual debugging tools for iOS.

dragonfly. A Ruby gem for on-the-fly processing - suitable for image uploading in Rails, Sinatra and much more!