Kst is a data plotting and viewing program. Some of the features include:

- Robust plotting of live "streaming" data
- Powerful keyboard and mouse plot manipulation
- Powerful plug-in and extension support
- 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
- Monitoring of events and notification support
- Built-in filtering and curve fitting capabilities
- Convenient command line interface
- Powerful graphical user interface