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DigitizeIt software extracts (x,y) data from scanned graphs and converts into a specified axes system. It can read various image formats (gif, png, tiff, bmp) and save the extracted data in ASCII format for use in other applications.

PlotLab .NET offers .NET tools for seamless and rapid Data Visualization. It enables swift presentation in a Chart, Scope, Plot, or Waterfall mode, making it ideal for FFT or Histogram Visualization. Non-commercial use is free.

This Delphi/C++ Builder software library provides easy and quick data visualization through various forms such as Plot, Scope, Chart or Waterfall. It is ideal for FFT or Histogram visualization and free for non-commercial use.

PlotLab VC++ is a Visual C++ software consisting of components suitable for quick and straightforward data visualization. It facilitates the display of graphs, charts, scopes, and waterfalls at an incredibly fast rate, making it ideal for FFT visualization. The software is free for non-commercial use.

This ActiveX control lets users draw 2D graphs (pie charts, line graphs, and bar charts) with color and font control. It works for 32-bit and 64-bit systems and allows exporting to files or data streams, copying to the clipboard, and comes with a free trial.

This ASP component generates pie and bar charts as well as line graphs in real-time. The output formats include GIF, PNG, JPG, and BMP. Output can be viewed in-browser or saved as a file. Various properties are available for customizing chart features, such as size, color, and text style.

This software extracts graph data from scanned images or available images. It enables users to define axis locations, select points, scan curves, and save the data to Excel or a file.

This software provides 2D/3D graphics plotting and data analysis tools including curve fitting, FFT, and presentation features. A demo version is available for download.