jqForm for PHP is a server-side component built on top of open and widely used standards - jQuery, jQuery UI, ThemeRoller.

Bellow is the list of the most common featutres (in general)

• Ajax Submit (via jQuery Form plugin)
  
• Multilingual (field captions, default values, error messages).
  
• ClientSide validation(when used HTML5)
  
• Serverside input validation (in development)
  
• Access rights; the same form can be used for different users/groups.
  
• Can deal with hitting enter in text fields .
  
• Offers some nice domapi form element implementations and some more ready-to-use out-of-the-box special fields.
  
• Can deal with include-once and onLoad javascript stuff.
  
• Auto-persisting of submitted forms to database. This includes the auto-creation/update of the database table.
  
• No limits: everything you can do with plain HTML can be done with this package.