MagicPlot

MagicPlot is freeware plotting and spectrum fitting tool for Windows, Mac, Linux.

Features

Based on specially designed spreadsheet

Spectrum fitting by sum of peaks (Gauss, Lorentz and derivatives)

Setting initial parameters with mouse

Setting fit data interval(s) with mouse

Subtraction of baseline and peaks from spectrum

Fully customizable plot style

Useful plot navigation and scaling

Undo function for all actions

Advantages

Compact: Single file

Cross-Platform: One application for Windows, Mac OS, Linux

Small: Less than 1 M

Unicode: Supports Cyrillic, etc.

Doesn't Need Installation, but stores your preferences

Powerful, but easy

Efficient: Double buffered graphics