The markup compiler can be installed and invoked as a "qb" task in Grunt.js:
npm install quickui-markup
The Tools.sln can be opened and built with Microsoft Visual Studio Express (which is free). The Setup/Setup.sln project, which builds the installer, requires the full Visual Studio product.
Tested with Mono 2.8.
If you have monotools installed, you can build the tools by issuing the following command from this directory: