QtiPlot is a user-friendly, platform independent data analysis and visualization application similar to the non-free Windows program Origin.


  • Cross platform: works natively on Windows, Mac OS X and Linux/Unix systems
  • Fully Python scriptable
  • OpenGL based 3D plotting
  • Publication quality plots and easy export to various image formats (EMF, EPS, PS, PDF, SVG, BMP, JPG, PNG, TIFF, etc ...)
  • Easy integration with LaTeX typesetting system
  • Powerful and versatile spreadsheets with column-logic calculations and easy import/export of multiple files
  • Advanced statistical analysis: Student's t-Test, ANOVA, chi-square test for variance, normality test (Shapiro-Wilk)
  • Linear and nonlinear curve fitting with weighting and estimation of statistical errors of the fit-parameters
  • Multi-peak fitting with Gaussian, Lorentzian and Psedo-Voigt peak profiles
  • Image analysis tools
  • Project files based on folders, a powerful project explorer with built-in drag and drop and searching facilities
  • Interoperability with OriginLab®: full import of Origin projects and export of QtiPlot projects as Origin C files
  • Easy data exchange with Microsoft Excel and main free office suits (LibreOffice and Appache OpenOffice)
  • Import of Matlab files, LabVIEW TDMS files, dBase, MySQL, SQLite and Microsoft Access databases

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User Ratings

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User Reviews

  • Excellent option for advanced and simple plotting. Very satisfied. Congratulations to the work team.

  • Great~

  • It's an open source software but the binary requires licensing. That's a sneaky cunning.

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Additional Project Details

Intended Audience

Science/Research, End Users/Desktop

Programming Language

Python, C++