I want Disable Authentication issue in SharePoint 2013

i need a SharePoint anonymous site that Will be used by Any user And any user cansave information in to the list. 
   In My current Site When I Insert value in list It need's User Id and Password .I do not want to use user id and password
   for my site but i want to use all the features of list and library .Is this Possible in SharePoint 2013 ?