The filter inside Simple mono/poly synth by Tale sounds also interesting to my ears, not sure if this is already included inside Filther, with the permission of Tale of course? Just one more option because the list is so small.
Is it possible to get the stereoscope as a separate jsfx as well, for putting into master channel, this is the quickest one, there are a few other jsfx but those do not react that fast.
Head mounted views, for all members of any band, during concerts, rehearsals might be the future additional material for generating $ from fans or youtube, sell it if you can or put on youtube.
https://www.youtube.com/watch?v=rhZDT7tlAkg
From which concerts you would want head mounted versions?
Michael Jackson, Billy Jean.
https://www.youtube.com/watch?v=1iX0dkRhj7g