update  to 18-09-03:
 
BioDDS (Chuck Miller) (spinning off to BDDS -> BDS -> BD -> D ->DELTA ->Jim Croft)
BioDescML (Chuck Miller)
BiODML (Chuck Miller)
BioML (Jim Croft) (taken - see xml.coverpages.org/bioml.html)
BioTaxML (Chuck Miller)
BiOTML (Chuck Miller)
BODDS (Karen Medina)
CAML (Jim Croft) (taken - see http://www.vision.fhg.de/~veenhuis/CAML/)
ExSDD (Stan Blum)
DescML (Jim Croft)
DescriptionML (Karen Medina)
PanML (Nick Lander, who will undoubtedly pass the port to Richard Pankhurst)
SDD (Structured Descriptive Data - port unclaimed?)
SDBO (Rich Pyle)
SSDDBO (Rich Pyle)
TDML (Guillaume Rousse)
TaxDescML (Guillaume Rousse)
xDELTA (don't know who to give the port to for this one - maybe Mike Dallwitz)
XBio (Julian Humphries)
XSDD (Bob Morris and Stan Blum)
Xtax (Julian Humphries)