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v2.8

1. Home
2. Generate

Generate feature models

Pick how you want to build your feature models. Both generators produce UVL files ready to download or upload to the hub.

Random generator

Available

Random models from parameters — feature count, tree depth, constraint mix, attribute catalog, probabilities. Exports a ZIP. Runs entirely in your browser with Pyodide.

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LLM generator

Experimental

From concept (type a domain) or from seed (pick a UVL from the hub). Open-weights LLM runs in your browser (WebLLM + WebGPU), flamapy validates every candidate — nothing leaves your machine.

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2025© University of Seville · University of Malaga · University of Ulm

•  Repository on GitHub

@article{romero2024_uvlhub_open_science,
    title = {UVLHub: A feature model data repository using UVL and Open Science principles},
    journal = {Journal of Systems and Software},
    pages = {112150},
    year = {2024},
    issn = {0164-1212},
    doi = {https://doi.org/10.1016/j.jss.2024.112150},
    url = {https://www.sciencedirect.com/science/article/pii/S016412122400195X},
    author = {David Romero-Organvidez and José A. Galindo and Chico Sundermann and Jose-Miguel Horcas and David Benavides},
    keywords = {Feature models, Software product line, Variability, Dataset, Uvl}
}

TY  - JOUR
T1  - UVLHub: A feature model data repository using UVL and Open Science principles
AU  - Romero-Organvidez, David
AU  - Galindo, José A.
AU  - Sundermann, Chico
AU  - Horcas, Jose-Miguel
AU  - Benavides, David
JO  - Journal of Systems and Software
SP  - 112150
PY  - 2024
DA  - 2024/07/01/
SN  - 0164-1212
DO  - https://doi.org/10.1016/j.jss.2024.112150
UR  - https://www.sciencedirect.com/science/article/pii/S016412122400195X
KW  - Feature models
KW  - Software product line
KW  - Variability
KW  - Dataset
KW  - Uvl

David Romero-Organvidez, José A. Galindo, Chico Sundermann, Jose-Miguel Horcas, David Benavides,
UVLHub: A feature model data repository using UVL and Open Science principles,
Journal of Systems and Software,
2024,
112150,
ISSN 0164-1212,
https://doi.org/10.1016/j.jss.2024.112150.
(https://www.sciencedirect.com/science/article/pii/S016412122400195X)
Keywords: Feature models; Software product line; Variability; Dataset; Uvl

Romero-Organvidez, D., Galindo, J. A., Sundermann, C., Horcas, J.-M., & Benavides, D. (2024). UVLHub: A feature model data repository using UVL and Open Science principles. Journal of Systems and Software, 2024, 112150. https://doi.org/10.1016/j.jss.2024.112150

@article{benavides2024uvl,
    title = {UVL: Feature modelling with the Universal Variability Language},
    journal = {Journal of Systems and Software},
    volume = {225},
    pages = {112326},
    year = {2025},
    issn = {0164-1212},
    doi = {https://doi.org/10.1016/j.jss.2024.112326},
    url = {https://www.sciencedirect.com/science/article/pii/S0164121224003704},
    author = {David Benavides and Chico Sundermann and Kevin Feichtinger and José A. Galindo and Rick Rabiser and Thomas Thüm},
    keywords = {Feature model, Software product lines, Variability},
}      

TY  - JOUR
T1  - UVL: Feature modelling with the Universal Variability Language
AU  - Benavides, David
AU  - Sundermann, Chico
AU  - Feichtinger, Kevin
AU  - Galindo, José A.
AU  - Rabiser, Rick
AU  - Thüm, Thomas
JO  - Journal of Systems and Software
VL  - 225
SP  - 112326
PY  - 2025
DA  - 2025/07/01/
SN  - 0164-1212
DO  - https://doi.org/10.1016/j.jss.2024.112326
UR  - https://www.sciencedirect.com/science/article/pii/S0164121224003704
KW  - Feature model
KW  - Software product lines
KW  - Variability

David Benavides, Chico Sundermann, Kevin Feichtinger, José A. Galindo, Rick Rabiser, Thomas Thüm,
UVL: Feature modelling with the Universal Variability Language,
Journal of Systems and Software,
Volume 225,
2025,
112326,
ISSN 0164-1212,
https://doi.org/10.1016/j.jss.2024.112326.
(https://www.sciencedirect.com/science/article/pii/S0164121224003704)
Keywords: Feature model; Software product lines; Variability

Benavides, D., Sundermann, C., Feichtinger, K., Galindo, J. A., Rabiser, R., & Thüm, T. (2025). UVL: Feature modelling with the Universal Variability Language. Journal of Systems and Software, 225, 112326. https://doi.org/10.1016/j.jss.2024.112326