I was searching for phpbb chat module for my forum site, I came accross many : 1.Parachat 2.Flash chat from 123flashchat 3.Flash chat from tufat 4.ajax chat from ajaxchat.org First two they r very costly and i cannot afford them, third one is just 5$ but i'm not happy with its perfomance. 4th one seems to be ok but i dont hav any idea about its perfomance. I'm expecting around 100 concurent chat users from my site ! Please suggest a good chat module for my forum . thanking you in advance!