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.

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

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  • 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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  • 1
    TRUC is a web-based tool for requirement and use case tracking. It has fileupload, discussions, version control, usecase history, build and release management. It supports assignment of requirements & use-cases to releases and filtering over all fields.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 2
    An alternative to the page-chapter-paragraph documentation approach. LivCos allows you to teach the computer the structure of your content, so it can support you in various contexts. Pages will be generated as one of many views on the actual content.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 3
    Antares DSM is a software to manipule all types of DSMs (see more about DSM in www.dsm.org). In Antares DSM is possible create, see, and execute functions to optimize the DSM projects.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    JRequisite is an agile requirement management tool. Its main goal is to give the developer community a free, user friendly, and powerfull tool for requirement analysis and change management.
    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.
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  • 5
    OSCAM stands for Open Source CMMI Appraisal Method. The CMMI model is used widely for process improvement and supplier selection mostly in the IT and engineering world, but today also as a business change model. OSCAM is an open source and free alternati
    Downloads: 0 This Week
    Last Update:
    See Project
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