ChartLegendsPowerful customizable legends for all kind of chartsLicense: Apache 2Swiftios-chartsFlexible, extensible charts library for iOSLicense: MITObjective CPieChartsEasy to use and highly customizable pie charts library for iOSLicense: Apache-2.0SwiftSwiftChartsEasy to use and highly customizable charts library for iOSLicense: Apache-2.0SwiftUserDefaultsSafe, convenient wrapper for NSUserDefaults, in SwiftLicense: MITSwift