.FST

.FST file extension

This is the basic program to work with .FST extension

FL Studio

FL Studio FL Studio channel state file

FL Studio provides you with all the tools, features, utilities, and functions you will ever need to produce, compose, record, mix, edit, and enhance your music. This professional, full-featured software application has clearly been designed with the professional musician, producer, or audio editor in mind... (more)

The program works with the following extensions: flp, fsc, fst and flkey

.FST extension is also supported by the following programs:

BioEdit

BioEdit MySQL Tools for

BioEdit is a biological sequence alignment editor.
FontSuit

FontSuit FontSuit Document

FontSuit is a powerful font manager for Windows XP & Vista.