Bootstrap is a CSS toolkit from Twitter designed to kickstart development of web apps and websites. It includes base CSS and HTML for typography, forms, buttons, tables, grids, navigation, and more. Bootstrap is built with Less and was designed to work out of the gate with only modern browsers in mind. You can use Twitter Bootstrap [...]

GTK+ is a highly usable, feature rich toolkit for creating graphical user interfaces which boasts cross platform compatibility and an easy to use API. GTK+ it is written in C, but has bindings to many other popular programming languages such as C++, Python and C# among others. This Free Toolkit for Creating Graphical User Interfaces [...]