DHTMLX Ajax Toolkit combines the most widely used types of DHTML UI components: grid, treegrid, treeview, combobox, tabbar, menu, toolbar. All components are written in pure JavaScript and compatible with all main browsers: IE, Opera, FireFox, Safari. DHTMLX components support the main types of functionality required for development of modern Web applications: drag-n-drop (also available between different components, e.g. from Grid to Tree), in-line editing, clipboard operations