lmfit
Non-Linear Least Squares Minimization, with flexible Parameter settings, based on scipy.optimize, and with many additional classes and methods for curve fitting.
spectrafit
📊📈🔬 SpectraFit is a command-line and Jupyter-notebook tool for quick data-fitting based on the regular expression of distribution functions.
metrolopy
Tools for uncertainty propagation and measurement unit conversion — Outils pour la propagation des incertitudes et la conversion d'unités de mesure
https://github.com/aravind-j/viabilitymetrics
Seed Viability Calculations and Curve Fitting
symbolfit
Automatic parametric modeling with symbolic regression [Comput Softw Big Sci 9, 12 (2025)]
labtoolbox
LabToolbox is a collection of tools for the analysis and processing of experimental data in scientific research.
decompose
Principal Component Analysis (PCA) Algorithm was implemented to determine the Functional Age of the Power Transformer using Return Voltage Measurement (RVM). [submitted]
sasfit
A curve fitting program for small-angle scattering curves, mostly from SAXS and SANS experiments in analytical or biological chemistry. 📄https://doi.org/10.1107/S1600576722009037 📄https://doi.org/10.1107/S1600576717011979 📄https://doi.org/10.1107/S1600576715016544