Wt is a freely available library and application server (www.webtoolkit.eu/wt) that lets C++ programmers write modern web applications using a familiar C++ GUI programming style. Wt then renders the C++ applications to the web browser. Figure 1, for instance, is a running Wt applicationa functional look-alike of the GMail composer, fully AJAX enabled, and written entirely in C++ using CSS for the markup.
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Figure 1: A running Wt application.
Being a native C++ library, web applications developed with Wt typically enjoy greater efficiency and a smaller footprint than Java or Ruby solutions. As such, Wt lends itself to devices where efficiency and footprint matters, like in embedded applications.