CFAlertViewController by Codigami
It is a highly configurable iOS library which allows easy styling with built in styles as well as extra header and footer views so that you can make extremely unique alerts and action sheets.
created at June 20, 2016, 7:31 a.m.
UIScrollView-InfiniteScroll by pronebird
UIScrollView ∞ scroll category
created at Sept. 5, 2013, 2:36 p.m.
AnimationEngine by intuit
Easily build advanced custom animations on iOS.
created at Sept. 19, 2014, 2:09 a.m.
SOMotionDetector by matghazaryan
Simple library to detect motion type (walking, running, automotive) and count users steps. This library will make motion detection much more easily.
created at March 7, 2014, 8:14 a.m.
RSKGrowingTextView by ruslanskorb
A light-weight UITextView subclass that automatically grows and shrinks.
created at Nov. 23, 2015, 2:56 p.m.
Typist by totocaster
Swift UIKit keyboard manager for iOS apps.
created at Sept. 26, 2016, 9:52 a.m.
Something sweet that goes great with your CocoaGrowingTextView by KennethTsang
An UITextView in Swift. Support auto growing, placeholder and length limit.
created at Feb. 17, 2016, 3:17 a.m.
Interstellar by JensRavens
Simple and lightweight Functional Reactive Coding in Swift for the rest of us
created at May 17, 2015, 9:33 p.m.
AnimatedGIFImageSerialization by mattt
Complete Animated GIF Support for iOS, with Functions, NSJSONSerialization-style Class, and (Optional) UIImage Swizzling
created at March 25, 2014, 6:06 p.m.
MotionKit by MHaroonBaig
Get the data from Accelerometer, Gyroscope and Magnetometer in only Two or a few lines of code. CoreMotion now made insanely simple 
created at Feb. 14, 2015, 2:50 p.m.
KZFileWatchers by krzysztofzablocki
A micro-framework for observing file changes, both local and remote. Helpful in building developer tools.
created at Aug. 8, 2016, 9 a.m.
Queuer by FabrizioBrancati
Queuer is a queue manager, built on top of OperationQueue and Dispatch (aka GCD).
created at July 20, 2017, 1:57 p.m.