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StyleKit – Library Allowing For Interface Styling Using JSON With UIAppearance

StyleKit is an open source Swift based library that allows you to easily style UIKit based interfaces using JSON.

StyleKit utilizes UIAppearance and allows you to change all styling within the JSON file which can easily be loaded using StyleKit.

    "UILabel": {
        "font": "HelveticaNeue-Bold:30.0",
        "backgroundColor": "#000FFF"
    "StyleKitDemo.SKView": {
        "StyleKitDemo.SKLabel": {
            "font": "HelveticaNeue-Bold:20.0",
            "backgroundColor": "#FFF000",
            "color": "#fff"
        "StyleKitDemo.SKButton": {
            "font": "HelveticaNeue-Light:20.0",
            "titleColor:normal": "#FFFFFF",
            "titleColor:highlighted": "#000000"
    "StyleKitDemo.SKNavigationBar": {
        "titleTextAttributes": {
            "NSColor": "#000FFF",
            "NSFont": "HelveticaNeue-Bold:30.0"
    "StyleKitDemo.SKTextField": {
        "font": "HelveticaNeue-Light:20.0",
        "textColor": "#000FFF"

You can find StyleKit on Github here.

A nice library for customizing interface styles.