Web apps written in C++ and using Ajax and all that modern stuff.
License and Pricing
Wt may be used using either an Open Source or a Commercial License.
If you wish to use the library using the GNU General Public License (GPL), you may build a web application with Wt and deploy it, but per the terms of the GPL, you are obliged to make the source code available to anyone who you give the application to install the application on its own server. This also applies to redistribution of the Wt library, in original or modified form.
The Commercial License has no such limitations: you may redistribute applications developed with Wt without needing to redistribute the source code. The license is a royalty-free, perpetual license for one developer to use the API of Wt (respectively Wt::Dbo) for application development, using the latest version of Wt or any version released during one year.
€599 in 2012