ZChat - Javachat is used on many known websites.
A few of them are listed below.

Chat.no	Snakk.no	Prat.no	Sircon A/S
Spray Chat	Chatte.no	ChatZone	JavaChat
ChatNorge	LoveChat	Persontreff	Innhold.no
Karmøy Nett	Starther	DSGF	Drøbak Guiden
Lokalstarten	Mobilweb	Startsiden.biz	Rextad
The Sims	Miljøpartiet	Navnett	DittDatt
Spraydate	Stavangernett	AjohsContact

Contact info@zchat.no if you want your website on the list.