These are useful tools for Russian users:

todos/fromdos:	point-to-point cp866<->koi8-r decoder with CR/LF translation
towin/fromwin:	best match cp1251<->koi8-r decoder with CR/LF translation
a2kfcnv:	EGA/VGA raw screen fonts converter: cp866 font -> koi8-r font

All programs written according to RFC 1489