Browse free open source UML tools and projects below. Use the toggles on the left to filter open source UML tools by OS, license, language, programming language, and project status.

  • Level Up Your Cyber Defense with External Threat Management Icon
    Level Up Your Cyber Defense with External Threat Management

    See every risk before it hits. From exposed data to dark web chatter. All in one unified view.

    Move beyond alerts. Gain full visibility, context, and control over your external attack surface to stay ahead of every threat.
    Try for Free
  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
    Learn More
  • 1
    JImola is a editor for racing sims developed under the ISI engine (GTR, GTL, rF, ...). It allows the user to change the AIW file (AI control, cutting, track borders, grid and pits info) in 3D without the hassle of editing a big text file.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 2
    Quan is designed to model physical quantities in C++ programs. Advantages include automated dimensional analysis checking, automatic unit conversions, self documentation of code.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 3
    Air Transport Modeling Project
    Downloads: 0 This Week
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    See Project
  • 4
    It's a Cat and Dog game,we develop the Inner AI strategy for the Dog and we also code the strategy of the cat in order to simulate the user. Furthermore we use Artificial Neural Network to build the experiment
    Downloads: 0 This Week
    Last Update:
    See Project
  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
    Sign up for free
  • 5
    This is a game.Player has to save his target point(staff).There is an enemy tank. The enemy tank will be trying to kill the staff.If staff is killed then game will be over. And if player can kill the enemy tank then player will win the game.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    This will be a complex Snake game. This is our project for the software laboratory at the University of Technology Budapest. Planed finish date: 2008. May 14.
    Downloads: 0 This Week
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    See Project
  • 7
    BioGears

    BioGears

    Human Physiology Engine

    This project has moved to GitHub https://github.com/BioGearsEngine/Engine
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Framework for creation of board games. Chess is built-in, Monopoly comes next. It addresses: 1) Players 2) Game authors 3) AI developers 4) Model-based developers. Developed by software professionals using EMF. New games are configured in few hours.
    Downloads: 0 This Week
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    See Project
  • 9
    BuorCrass is a generic strategy game. The objective is to model the domain of strategy games, using object oriented tools.
    Downloads: 0 This Week
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    See Project
  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
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  • 10
    Szoftverlab 4: Lemming jatek tervezese
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    MASyV (Multi-Agent System Visualization) enables one to write agent-based models/cellular automata, eg. in C, visualize them in real time & capture to movie file with MASyVs GUI & message passing lib. Includes examples: Hello World, ants, viral infection
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    Snot The Second, the rubber boxes King, declared a holy war against evil plastic balls to defeat himself and his crew lives. Excentric crossplatform 2D labyrinth game written in Python. Just try to reach exit of each level.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Software Process Model Suite is a toolset for modeling and simulate software process models. Is composed by: 1. a simulator engine; 2. a modeling tool based on SPEM, that uses model transformation approach; 3. a visual graphical simulator.
    Downloads: 0 This Week
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    See Project
  • 14
    SeSAm (Shell for Simulated Agent Systems) provides a generic environment for modelling and experimenting with agent-based simulation with a special focus on the easy construction of complex models including dynamic interdependencies or emergent behaviour
    Downloads: 0 This Week
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    See Project
  • 15
    The premise is a "construction set" for creating artificial life-forms, cell by cell. Each cell type is a sensor, an actuator or some kind of metabolic or computational unit, and the user combines cells into circuits to create higher-level behavior
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16

    Skeleton

    LPC Coding Library and GUI

    Skeleton is a graphical coding environment to easily create and modify rooms/areas of MUDs basing on the Evermore Core Library (EverLib - see www.evermore.de).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17

    Solve Logic Word Puzzles with CLP

    Constraint Logic can solve word logic puzzles.

    Learn basic constraint logic programming by solving logic word puzzles. Go to http://eclipse.dougedmunds.com . This tutorial will show you how to solve easy 1 star to hard 5 star puzzles, using the eCLiPSe-CLP language (available at http://eclipseclp.org/). Don't confuse this programming language (a prolog language) with the IDE for Java.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Qt based map editor for Warzone 2100 game.
    Downloads: 0 This Week
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  • 19
    A UI that displays a map that uses "wormholes" to navigate to a user's favorite locations. The map will display locations at scales as diverse as galaxies, planets, houses, living beings, internal organs, and even atoms and sub-atomic particles.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    XgaG stands for "XgaG generates all Games". Our goal is to provide an easy to use modeling environment to build all kinds of board games.
    Downloads: 0 This Week
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    See Project
  • 21
    Thorough Java library for 3DS files. JOGL and maybe M3G demos will appear later on.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    setupdocx

    setupdocx

    Multidocument automation by templates - for sphinx, mkdocs, epydoc ...

    The ‘setupdocx‘ provides a control layer for continuous documentation by the simplified creation, packaging, and installation of documentation. The provided commands are distributed as entry points and optional base classes for further customization into 'setup.py' - setuptools / distutils. Manages arbitrary document templates for the supported builder, supports multiple builds with arbitrary document layouts, designs, and patched contents. The current release supports the following commands: - build_docx - Enhanced documentation. - install_docx - Installs local documentation. - dist_docx - Documentation packaging. - build_apidoc - Standalone Generator for API Documentation - build_apiref - Standalone Generator for API Reference
    Downloads: 0 This Week
    Last Update:
    See Project
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