These user scripts might be helpful. Tampermonkey for Chrome is required.
YouNow Undercover [Download]
This script allows you to be completely invisible on YouNow. You will not be shown in the viewer list.
YouNow Bad Words [Download]
This will bypass YouNow's word filter. No matter what you write, it will reach the target :)
YouNow Real Viewer [Download]
A simple script to display the current viewer count instead of the total views count on trending broadcasts and on the explore page
YouNow Mute Overview [Download]
Detect the activity of all moderators in a broadcast. Muted users and current moderators are listed in a seperate popup.
YouNow Permanent Referee [Download]
Appoint viewers as permanent moderators for your channel. Each time you broadcast, they will automatically become a broadcast referee.