MagicPlot Viewer is a free interactive data visualization application designed to help students, teachers, and researchers quickly explore and analyze their data. The app provides several powerful tools to make data exploration and analysis easier, including plotting multiple datasets in different formats (scatter, line, bar, etc.), adjusting axes, adding labels and titles to plots, and more. It also offers a variety of advanced features, such as fitting curves to data, overlaying plots, and exporting data to external formats. MagicPlot Viewer is a great tool for learning about data visualization, as it allows users to explore their data in an intuitive and interactive way.
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.