Mod Archive
Formats covered by the site are MOD , IT , XM , AHX , MED , STM , S3M , MO3 , MTM , 669 , AMF , AMS , DBM , DIGI , DMF , DSM , FAR , GDM , IMF , J2B , MDL , MPTM , MT2 , OKT , PLM , PTM , STM , ULT and HVL . 
<triplet> STM <subj> S3M <obj> writable file format