Pure is a very lightweight Web Framework by Yahoo, which comes with minified and high compressed CSS modules. The complete core take only a size of 4.5 KB, but leaves nothing to be desired, in terms to the range of the offered web tools. The delivered Skin Builder helps you to build your favorite CSS style without without much knowledge of programming skills. Another fine feature is the YUI Library, a opensource CSS and JavaScript library for the development of interactive web applications. Overall a helpful application, which is thereby free. Pure is available on GitHub. All download links are included on documentation website.

Francisco Tolmasky, Tom Robinson and Ross Boucher developed Cappuccino Framework as basis of web applications, which are intuitive and comes in Apple's Mac OS X style. Cappuccino is written in Objective-J, a object-oriented programming language, which includes a similar syntax like Apple's Objective-C language. The realization of web applications with Cappucino is almost browser-based. Its possible to develop user interfaces by Xcode's Interface Builder. Integrated stunning controls thereby simplifying the development. Cappucchino Framework is available for free on documentation site in the latest Version, Cappucino Framework 0.9.7, 28 November 2013.

InK Interface Kit is a free flexible web framework by SAPO, Portugal, which allows you to create extended web solutions by multiple shortcodes. InK comes with a fine icon set, based on Font Awesome, with over 200 pictograms. Multiple beautiful forms, alerts or tables are available for your choice. A fine feature is the Ink JS UI, which will be delivered with all what you need to build userfriendly web applications, overall helpful js components, like progress bars, image queries or tabs.