Free services for creating your own mobile site. Most use a simple menu driven site builder that lets you get your site up and running in an hour or less without programming.
XtGem
Usability: 
xtgem.com/ (xhtml-mp)
Create a mobile site in minutes using just your mobile phone and xtGem's free template based site builder. A desktop site builder interface is also available. The sevice is free and includes hosting with no bandwidth limits. xtGem allows you to monetize your site using InMobi, AdModa and several other ad networks. Site urls are subdomains (yoursite.xtgem.com).
TagTag
Usability: tagtag.com (xhtml-mp/wml)
This service has over 200,000 user sites. The online site building tools are among the more flexible and powerful among sites in this category. Create yours site by signing up at www.tagtag.com
MWTR
Usability: Mobile.web.tr (xhtml-mp)
MWTR lets you build your own mobile community site to keep in touch with friends or make new ones. A MWTR site comes with forums, private messaging and chat rooms. You can add a logo, picture and three links. Sites can be customized with skins and or even add your own stylesheet. Other users register to join your community and participate in your forums and chat.
WAPcreate
Usability: wapcreate.com/ (xhtml-mp)
A free menu driven mobile web site creator. WAPcreate is a pure mobile site builder that lets you build mobile sites using only your phone browser. There's not even a desktop version of the site although mobile builder site does work in desktop browsers.
WAPcreate is quite full featured with lots of widgets for things like visitor counters or a shoutbox. It supports file hosting for apps, images ringtones, etc. No coding is required but advanced users can customize sites with their own CSS and HTML.
Mobtron
Usability: mobtron.com/ (xhtml-mp)
A menu driven point and click mobile site creator. Build a site from your phone or PC. Supports images, external links and custom CSS and HTML. Site URLs (site.waps.ms) are easy to type on a phone keypad.
Buzzed
Usability: buzzed.co.uk/portal/index.php (HTML5)
Directory of user sites. Create your own site at www.buzzed.co.uk
Zinadoo
Usability: www.zinadoo.com/mobile (xhtml-mp)
Zinadoo lets you create a simple mobile site in a few minutes using templates and a WYSIWYG editor. Zinadoo sites can have images, external links including click to call numbers and a contact page. Aimed at both businesses and individuals, sites on a subdomain, like wapreview.zinadoo.mobi, are free. You can upgrade to your own .mobi domain for the cost of the domain registration ($20/year).
31-May-2013: Site is down
