KherveSheet is a desktop spreadsheet application for scientists, built in Python and running on Windows.

Plotting Charts are generated using matplotlib and embedded directly in the sheet as movable, resizable objects. You have full control over axes, scales, ticks, titles and grids. Curve fitting and peak fitting are supported, with goodness-of-fit reporting overlaid on the plot.

Every cell can also run a full Python program, not just a formula. An integrated AI assistant can generate the cell code from a plain-language description if needed.

Learn by doing with 300 ready-made scientific examples covering plotting, data analysis, fitting and simulation.

Built entirely in Python, KherveSheet adds a familiar Excel-style grid, an optimisation solver, and a native .ksheet format with CSV and Excel import/export. Runs on Windows.

Features

  • Publication-quality matplotlib plots embedded right on the sheet
  • Full control of axes, scales, ticks, titles and grids
  • Curve fitting and peak fitting overlaid on your data
  • Every cell can run a full Python program, not just formulas
  • Built-in AI chat writes the Python for you from plain language
  • ~300 ready-made scientific examples to explore and adapt
  • Familiar Excel-style grid; optimisation solver; CSV/Excel I/O
  • Plot like you would using Origin

Project Samples

Template for Curie-Weis Law Template for Curve fitting Example of a projectile calculation Illustration of 2D Plot Create Layout Template of live weather data using python

Project Activity

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Categories

Spreadsheet, Scientific/Engineering, Chemistry

License

GNU General Public License version 3.0 (GPLv3)

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Additional Project Details

Operating Systems

Windows

Languages

English

Intended Audience

Science/Research

Programming Language

Python

Related Categories

Python Spreadsheet Software, Python Scientific Engineering, Python Chemistry Software

Registered

2026-06-10
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