Open Source Linux User Interface (UI) Software

Browse free open source User Interface (UI) software and projects for Linux below. Use the toggles on the left to filter open source User Interface (UI) software by OS, license, language, programming language, and project status.

  • 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.
    Start Free
  • 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.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • 1
    A client container for Swing, based on Java 5 language features (annotations, enums...), and PicoContainer. Develop Swing applications with a simple development model, using POJOs, a clean MVC pattern and services and be more productive.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    Fast UML is an open-source UML tool with a simple user interface pop-up free. Draw UML diagrams fast, export diagrams to png, jpg and clipboard. It pretends to be the union between Violet and UMLet.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    Mix stands for Mix Is X(cross). It is an all-round web framework comprised of PHP part and Javascript part. It aims at providing convenient ways for building websites. Developers may use it to develop any kind of software.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    Objective-C bindings for GTK+ library
    Downloads: 0 This Week
    Last Update:
    See Project
  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
    Learn More
  • Previous
  • You're on page 1
  • Next