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LabPlot is an open source data analysis and plotting program for the KDE desktop.

This software is similar to Origin (a proprietary Windows application produced by OriginLab Corporation) and has the ability to import Origin's data files.

LabPlot allows you to work with multiple plots which each can have multiple graphs. The graphs can be produced from data or from functions. All settings of a complete set of plots can be saved in a project files. These project files may be opened by command line parameters, using the File menu, or by drag and drop. Every object (title, legend, axes, axes label) can be dragged with the mouse. A double click on an object opens the corresponding dialog to change the options of the object.

 LabPlot 2.0.1

Free to download



Stefan Gerlach


System Requirements
KDE 3.1 or higher
Qt 3.x

GNU Scientific Library
ImageMagick & ImageMagick++
Qt Script for Applications
liborigin 20070926 or higher
qwtplot3d and OpenGL library
netcdf library

Handbook, SourceForge Project Page, Forum, Mailing Lists

Selected Reviews:

Features include:

  • Creating 2D, 3D, surface, polar, ternary, and pie plots from function and data files
  • Filters to import over 80 image formats and export including PostScript, Encapsulated PostScript, and PDF
  • Data set operations
  • Easy editing of plots:
    • Clone graphs and delete/clone plots
    • Versatile spreadsheet for data manipulation
    • LaTeX and Rich Text label support
    • Evaluating expressions and direct editing of data
    • Data statistics information
    • Drawing objects editing by mouse
    • Support for panel plots
  • Multiple plots in the same worksheet using MDI
  • Analysis of data and functions
  • Interpolation
  • Data smoothing
  • Peak fitting
  • Nonlinear curve fitting
  • Regression (up to 10th order)
  • (De)convolution
  • Image manipulation
  • Integral transforms
  • LabPlot project files
  • Spreadsheet for data import and editing
  • Support for all GNU Scientific Library (GSL) functions and constants
  • Interfaces to several libraries, including GSL for data analysis, the Qwt3d libraries for 3D plotting using OpenGL, FFTW for fast fourier transforms
  • Data masking
  • KDE look and feel

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