Slovak - Russian Dictionary with keyboards - http://www.slovnik.org/ Slovak-Russian online dictionary, with switchable Slovak/Cyrillic keyboard. Slovak language for Russian speakers.
Slovnik - http://slovnik.pc4u.sk English-Slovak bidirectional dictionary. In Slovak.
On-line Dictionaries - http://dent.ii.fmph.uniba.sk/ui/dict.html English-Slovak and Slovak-English dictionaries.