Actually, I asked about that on TEHO developers forums and got their answer.
TEHO became an opensource project (a few weeks ago they released beta version 1.7.3 with open scripts). Not in clear language but as I got their position, they are not against your team be porting TEHO to Maelstrom.
http://www.blackmark.bz/forums/index.php?s=&showtopic=2823&view=findpost&p=23552...