Adobe Dreamweaver is a proprietary web development tool used to create websites and webpages. It features visual and code editing, integrated previews, multimedia insertion, CSS support, and publishing/uploading via FTP. Dreamweaver originated from Macromedia and was first released in 1996 based on insights from web designers. It allows for creation of static sites to complex databases sites. Dreamweaver provides intelligent coding assistance, comprehensive CSS support, and integrated CMS. It is commonly used by professional web designers for building a variety of websites.