An open source library that lets your users draw on things

GraphLayout - iOS UI controls to visualize graphs

Rough lets you draw in a sketchy, hand-drawn-like, style

Unique blocky identicons generator for Swift

Powerful and easy-to-use vector graphics Swift library with SVG support

Design shapes in Interface Builder

Highly customizable Core Graphics based gradient view

Conical (angular) gradient for iOS

Create gradients and blur gradients without a single line of code

Visual designing library for iOS & OSX