No. 8 of 20 ·Generative Design Software

FEniTop

Windows · Linux · Self-hosted

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Freedom report

One barScore 5.5

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

FEniTop is ranked #8 of 20 in generative design software on Freedom251. It runs on Linux, Self-hosted, Windows.

Compared on generative design software

Free plan: Yes
Simulation integration: Yes
Optimization methods: topology
Supported processes: additive

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The record

Purpose: FEniTop is open-source software for topology optimization based on FEniCSx.
Dimensions and meshes: It supports 2D and 3D problems with structured or unstructured meshes and multiple element geometries and types.
PDEs and sensitivities: It expresses PDEs in weak form and uses automatic differentiation for finite-element analysis and sensitivity analysis.
Parallel computing: It supports scalable parallel computing on systems ranging from laptops to distributed computing clusters.
Filtering: It includes a Helmholtz-type PDE filter designed for large-scale parallel problems, including problems with large filter radii.
Export: Optimized designs can be exported as XDMF files for post-processing in ParaView.
Examples: The repository includes examples for 2D and 3D beams, a 2D disk, a 3D shell, and a 2D compliant mechanism.
Requirements: The installation instructions specify FEniCSx version 0.7.3, PyVista, and Xvfb.
Windows setup: The documented Windows 11 setup uses WSL with Ubuntu, Docker Desktop, and a Docker image containing FEniCSx, PyVista, and Xvfb.
License: The repository identifies its license as GPL-3.0.
Intended users: The authors say FEniTop may benefit both topology-optimization beginners seeking efficiency and ease of use and experts seeking computing efficiency for complex problems.
Product: FEniTop is open-source software for topology optimization based on FEniCSx.
Finite element support: It supports varying element geometries, element types, element orders, and quadrature degrees.
PDE formulation: It lets users express PDEs in weak form, avoiding manual matrix manipulation.

Where it ranks on Freedom251

Best Generative Design Software in 2026#8 of 20

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Sources

github.com/missionlab/fenitop· checked 4 Oct 2026
zhang.cee.illinois.edu/wp-content/uploads/2025/05/jia_fenitop_· checked 4 Oct 2026