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.

The dynamical loading from XML feature provides the perfect opportunity to modify your DHTML toolbar without the need to reload your entire web page. Other fantastic features include support for various button types (select box, image with text, and image). Moreover, you do not have to worry about browser compatibility issues. The dhtmlxToolbar works flawlessly on different web-browsers such as IE, Mozilla, Firefox, MacOS X Safari, and even Opera.
Overall, dhtmlxToolbar boasts a significant feature set, including a wide variety of options that provide flexibility in creating an outstanding DHTML toolbar. Additionally, its powerful JavaScript API assures you that you have full control over its performance. With its myriad of benefits and exceptional cross-browser compatibility, dhtmlxToolbar is undoubtedly the go-to tool for creating superb DHTML toolbar for web applications.
Version 1.0: Initial release