No. 21 of 30 ·Synthetic Data Generation Software

Synthia

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Freedom report

One barScore 5.2

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely0 of 6 device platforms
DocumentedPlans, terms and facts published

Synthia is ranked #21 of 30 in synthetic data generation software on Freedom251.

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The record

Purpose: Synthia is an open source Python package for modeling univariate and multivariate data, parameterizing data, and manipulating marginal distributions.
Intended users: It is designed for scientists and practitioners working with labelled multivariate data typical of computational sciences.
Generation methods: It supports fPCA, Gaussian copula, and vine copula methods for multivariate data generation.
Variable types: The documentation says its methods support continuous variables and vine copulas also support discrete and categorical variables.
Data integration: Synthia's API natively handles xarray labelled arrays and datasets.
Implementation: The fPCA and Gaussian copula implementations are in Python, while vine computations use pyvinecopulib bindings to the C++ vinecopulib library.
Requirements: Installation requires Python 3.8 or later, NumPy, SciPy, and xarray.
Optional dependency: pyvinecopulib is an optional dependency for vine copula and quasirandom number support.
Distribution: The package can be installed with pip install synthia, or with pip install synthia[full] to include the optional dependency.
License: Synthia is licensed under the MIT License, which permits use, copying, modification, distribution, sublicensing, and sale subject to its stated conditions.
Warranty: The MIT license states that the software is provided as is and disclaims warranties and liability as specified in the license.
Example use: The quickstart demonstrates generating synthetic atmospheric temperature profiles using Gaussian copula and fPCA models.

Where it ranks on Freedom251

Best Synthetic Data Generation Software in 2026#21 of 30

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Sources

dmey.github.io/synthia/overview.html· checked 4 Oct 2026
dmey.github.io/synthia/installation.html· checked 4 Oct 2026
dmey.github.io/synthia/license.html· checked 4 Oct 2026
dmey.github.io/synthia/quickstart.html· checked 4 Oct 2026