Complete Shoutbox
Put this shoutbox on each page of your website and visitors can chat to each other in real time. Only one variable to change and the colours can be changed via a css stylesheet. Has badword checking, IP banning and smileys. An online Admin area is included where you can delete entries, add badwords and ban IP addresses. An example setup is included so you simply have to adapt the example page to your own pages. Uses a flat file database, no mysql needed.