Kst

Kst is the fastest real-time large-dataset viewing and plotting tool available (you may be interested in some benchmarks) and has built-in data analysis functionality.

Features

• Robust plotting of live "streaming" data
• Powerful keyboard and mouse plot manipulation
• Powerful plugins and extensions support
• Large selection of built-in plotting and data manipulation functions, such as histograms, equations, and power spectra
• A number of unique tools which dramatically improve efficiency, such as the "Data Wizard" for fast and easy data import, the "Edit Multiple" mode to bulk-edit most objects, or the "Change Data File" tool to compare results from different experiments
• 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 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
• Fully scriptable in python (Beta available under Linux)