Here is a list of all related documentation pages:

Symbols in HFST	A transducer maps strings into strings.Strings are tokenized (i.e
Quick Start to HFST
Using HFST with SFST, OpenFst and foma	A binary HfstTransducer consists of an HFST header (more on HFST headers on the wiki pages) and the transducer of the backend implementation
Todo List
Bug List