Here are the most popular tools for mobile web development:
Jimdo - quite intuitive platform for creating web sites
GinWiz - focuses on keeping desktop and mobile web site editions in synchronization
DudaMobile - is compatible with the major smartphone operating systems, including Android, Apple iOS, BlackBerry and Windows.
GoMobi - offers a redirection code that sends visitors from your main site to whichever one might be best for their browsing experience.
bMobilized - converts existing Web content into HTML 5 web sites.