is Dynamic Toolbar Builder. It was made to help you to create a custom toolbar with following features: 
- Popup ads killer 
- Add unlimited buttons and menus 
- Add your logo, brand your toolbar 
- Multilingual support 
- DNS and address bar catcher 
- Update, installation and uninstallation 
- Dynamic elements 
- .EXE and .CAB installers. 
- Resulting IE toolbar is only 160k download. 
- Add search engines & links integration 
- Keyword Highlighting 
- and many many more. 
More Info is here: 
http://www.besttoolbars.net/