Kst is a fast real-time large-dataset viewing and plotting tool
with basic data analysis functionality. Kst contains many powerful
built-in features and is expandable with plugins and extensions.

Features of Kst include:

- Robust plotting of live "streaming" data.
- Powerful keyboard and mouse plot manipulation.
- 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.
- Monitoring of events and notifications support.
- Built-in filtering and curve fitting capabilities.
- Convenient command-line interface.
- Powerful graphical user interface.
- Support for several popular data formats.
- Extended annotation objects similar to vector graphics applications.

WWW: https://kst-plot.kde.org