CrossUI 2.12 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program lies within Development Tools, more precisely IDE. The actual developer of the software is CrossUI.com. The default filename for the program's installer is CrossUI.exe. The following version: 2.1 is the most frequently downloaded one by the program users. We recommend checking the downloaded files with any free antivirus.
From the developer:
The CrossUI Front-End Builder enables developers to create responsive HTML5 applications without coding. You can prototype, develop and package the exactly same code into web apps, native desktop apps, as well as mobile apps. The program includes over 100 editable UI Widgets, like buttons, inputs, containers, binders, list, tabs, dialog, TreeGrid, shapes, diagrams, and charts.
You may want to check out more software, such as GnuWin32: LibIconv, Greatis Form Designer.Net or TextSamplerDemo, which might be similar to CrossUI.