Core Plot is an open source library for 2D plotting in macOS, iOS, and tvOS. It provides an API for creating graph and chart plots with a wide range of customization options. Core Plot enables developers to create real-time, interactive, and animated graphs and charts with a minimal amount of code. Core Plot supports a variety of plot types such as bar, line, scatter, pie, and histograms. It also provides a range of features such as data labeling, legends, and user interaction. Core Plot is also highly customizable with its flexible styling system that allows developers to customize the look and feel of the charts and graphs. Core Plot is a powerful library for creating compelling data visualizations for any platform.
Discontinued Discontinued but open source @ https://github.com/graphsketcher/GraphSketcher
Discontinued The project seems to be no longer developed. The latest version, 2.7.10.0, released in June 2015, can still be downloaded from the official website.