GTKWave is a fully featured GTK+ based wave viewer for Unix and Win32 which reads LXT, LXT2, VZT, FST, and GHW files as well as standard Verilog VCD/EVCD files and allows their viewing.

Keyvi - the key value index. It is an in-memory FST-based data structure highly optimized for size and lookup performance.

Keyvi - a key value index that powers Cliqz search engine. It is an in-memory FST-based data structure highly optimized for size and lookup performance.

Rust re-implementation of OpenFST - library for constructing, combining, optimizing, and searching weighted finite-state transducers (FSTs). A Python binding is also available.

An efficient OpenFST-based tool for calculating WER and aligning two transcript sequences.

A local reactive cache for Java and Android. Now, it supports heap memory、off-heap memory and disk cache.

An NLP library for Uralic languages such as Finnish, Skolt Sami, Moksha and so on. Also supporting some non-Uralic languages such as Spanish, French, Arabic, Swedish, Norwegian, Russian and English. LLMs, FSTs and More!

Port of the OpenFST library to Windows

A single file C++17 header-only Minimal Acyclic Subsequential Transducers, or Finite State Transducers

Python wrapper for OpenFST and its extensions from Kaldi. Also support reading/writing ark/scp files

Population Genetics in Julia

UDAR Does Accented Russian: A finite-state morphological analyzer of Russian that handles stressed wordforms.

FST (Fast Succinct Trie) implementation in Rust

The Language Independent Intelligent Dictionary

Modern GTKWave alternative

Presets for FL Studio plugins

Stuttgart Finite State Transducer system

Julia bindings for the fst format

Automatic Mobility Based Behavioral Quantification ( Forced Swim Test, Tail Suspension Test )

Apple IIgs host FST (for emulators that support it)