Bank2OFX is an useful utility to convert and combine bank files to OFX format
Bank2CSV is an useful utility to convert OFX,QFX,QIF,QBO,OFC files to CSV format
FixMyQIF fixes your QIF file and makes it importable under Quicken or MS Money
CSV2OFX is an useful utility to convert CSV files to OFX format
QIF2QBO is an useful utility to convert QIF files to QBO (Web Connect) format
CSV2QBJ creates general journal entry files from CSV, TXT or Excel