DHTMLX Ltd.

This Cross-browser JavaScript Tab Bar offers dynamical data loading with AJAX and a rich API. It supports tabs scrolling, customizable layouts, and nested tabs. Users can select from various predefined skins.

This software is an Ajax-enabled grid control designed to display and edit tabular data using DHTML-based tables. It offers a wide range of features including column sorting and resizing, paging support, multiline headers, and multiple in-cell editors. Additionally, it comes with a comprehensive JavaScript API to enhance the functionality.

dhtmlxMenu is a powerful and versatile Ajax-enabled JavaScript menu with a rich feature set, including XML support, cross-browser compatibility, and a robust API. With easy customization options and GPL licensing, it offers an optimal solution for developing compelling and dynamic web applications.

dhtmlxToolbar is a customizable JavaScript Toolbar that supports Ajax and works across various browsers. Its extensive API enables developers to easily modify its visual properties. It's free and can be easily customized with just a few parameter changes.

This software features a cross-browser Ajax treeview with an advanced JavaScript API. It supports in-line node editing, drag-n-drop functionality, and can handle large amounts of data with an almost unlimited number of nodes for efficient processing.