Software Alternatives, Accelerators & Startups


Fast, light HTML UI solution for C++ apps

Ultralight Alternatives

The best Ultralight alternatives based on verified products, community votes, reviews and other factors.
Latest update:

  1. 21

    Embeddable HTML/CSS/script engine

    Open Source

  2. 14

    Build cross platform desktop apps with web technologies

    Open Source

  3. Assembly is an employee recognition software powered by AI that boosts engagement and productivity. Empower teams with peer-to-peer recognition, rewards, and performance tracking. Simplify HR processes and foster a positive workplace culture.

    Try for free freemium

    Try for free
  4. 11

    Fast user interface runtime for PC and Consoles

  5. 11

    User Interface library for games and real-time applications.

  6. 10


    Open Source

  7. Framework for building cross-platform desktop apps with web technologies (JavaScript, HTML and CSS).

    Open Source

  8. Build beautiful native apps in record time 🚀

    Open Source

  9. Powerful, flexible and easy to use, Qt will help you not only meet your tight deadline, but also reduce the maintainable code by an astonishing percentage.

    Open Source

  10. Neutralino is a lightweight application development framework.

    Open Source

  11. Build GUI for your Python program with JavaScript, HTML, and CSS.

    Open Source

  12. Edit photos with the styles of the world's top photographers. Smart suggestions, fast editing, and inspiring collections.

  13. High-performance platform that implements a subset of HTML5/CSS/JS

  14. An online photo editor (big data meets Lightroom)

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