Kst is a data plotting and viewing program.
There are two main methods of quickly obtaining plots in Kst. The Kst command-line interface provides quick access to the main Kst features, while the graphical data wizard enables intuitive fine tuning of plot and data settings. Kst can be completely controlled through the graphical user interface, without ever using the command line.
This is free and open source software.
Features include:
- Robust plotting of live “streaming” data.
- Powerful keyboard and mouse plot manipulation.
- Powerful plugins and extensions support. It has simple and standardized interface that facilitates easy creation of additional plugins.
- Large selection of built-in plotting and data manipulation functions, such as histograms, equations, and power spectra.
- Color mapping and contour mapping capabilities for three-dimensional data, as well as matrix and image support.
- Built-in filtering and curve fitting capabilities.
- Convenient command-line interface.
- Powerful graphical user interface with non-modal dialogs for an optimized workflow.
- Support for several popular data formats.
- Multiple tabs.
- Extended annotation objects similar to vector graphics applications.
- High-quality export to bitmap or vector formats.
- Supports ASCII, Dirfile/Getdata, netCDF including metadata, CFitsIO, QImage-compatible image types and Matlab’s .mat format with support from the matio library.
- Fully scriptable in Python.
Website: kst-plot.kde.org
Support:
Developer: Barth Netterfield and contributors
License: GNU General Public License v2.0

Kst is written in C++. Learn C++ with our recommended free books and free tutorials.
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