Browse free open source Data Modeling software and projects for Windows and Linux below. Use the toggles on the left to filter open source Data Modeling software by OS, license, language, programming language, and project status.

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  • 1
    Framework for developing web-based applications (CMS, portals, ERPs etc.) It includes multilanguage support, permits management, MVC mini framework, package structure, template engine, javascript library, simple GUI library, caching system, captcha.
    Downloads: 1 This Week
    Last Update:
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  • 2
    MADS
    MADS (Multipurpose Agricultural Data System) is a free open-source tool for modelling and analysis of agricultural activities - crops, livestock, forestry and others - in developing countries, at sector, regional or project level.
    Downloads: 1 This Week
    Last Update:
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  • 3
    PSIGHOS is a Java-based simulation library. PSIGHOS is focused on the simulation of business processes and comprises a parallel core so to reduce the execution time for large models.
    Downloads: 0 This Week
    Last Update:
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  • 4
    QPNet

    QPNet

    Synchronous Petri Nets' emulator

    QPNet (Quick Petri Net) is a fast Petri Nets' emulator, created by students of Moscow State Technical University of Radio Engineering, Electronics and Automation. It brings benefits for the educational process, while being under further development and extension. QPNet это быстрый эмулятор сетей Петри, созданный студентами МИРЭА. Он применяется в учебном процессе, а так же продолжает разрабатываться и эволюционировать.
    Downloads: 0 This Week
    Last Update:
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    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

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  • 5
    VisualPerspective

    VisualPerspective

    A diagram/modeling tool.

    VisualPerspective is a modeling and diagram creation tool. It enables to create free diagrams but also semantic oriented ones (for instance UML diagrams), in order to run automatic processing (transformations, exports, parsing). There is currently no installer, so you should follow this procedure : http://enzweiler.info/visualperspective/002-installation.html You are very welcome to report any issue with VP.
    Downloads: 0 This Week
    Last Update:
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  • 6
    WOLFGANG

    WOLFGANG

    Editor for Petri nets

    Wolfgang is a lightweight tool that allows users to easily create and edit Petri nets and check them against general and workflow specific net properties. Specifically, Wolfgang supports full PNML conform editing functionality of Place-Transition Nets (P/T-Nets) and Colored Petri Nets (CPN) as they are defined in the SEPIA package. Its simple and easy to use interface allows to quickly create Petri nets from scratch, edit them graphically in many ways, store and even export them as PDFs. Use Wolfgang to smoothly create the Petri net you want! A user guide and a documentation can be found under http://doku.telematik.uni-freiburg.de/wolfgang.
    Downloads: 0 This Week
    Last Update:
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