Yes Elephant is the name of the Node Editor for Moi by Max Smirnov
It's it that i have on my site!

VO = Original English Version
VF = French Version of the Native Nodes of Elephant (but has also no native nodes but these no native are not translated)

All versions works fine with Moi.4.0

<< Or we should go to Max's webpage?
No Lastest version of Elephant is the Version modifyed by creators of nodes so many more nodes than original Elephant
and managed by James http://moi3d.com/forum/index.php?webtag=MOI&msg=9358.10
there you can download a zip NodeEditor !

But maybe Max will made soon a new version after the release of the who knows! :)