macOS
Homebrewverified · 100%
brew install openfstlocal Homebrew formula metadata
MacPortsverified · 94%
sudo port install openfstMacPorts ports tree · devel/openfst/Portfile · source: api.github.com
brew
Install openfst with Homebrew, apk, apt, dnf, MacPorts, Nix, zypper
Library for weighted finite-state transducers. Version 1.8.4 via Homebrew; verified from local package data.
install
Additional install commands
Linux
Alpine Linux apkverified · 92%
sudo apk add libfstAlpine Linux edge package indexes · libfst · source: dl-cdn.alpinelinux.org
Debian aptverified · 92%
sudo apt install libfst-devDebian stable package indexes · libfst-dev · source: deb.debian.org
Fedora dnfverified · 92%
sudo dnf install openfstFedora Rawhide package metadata · openfst · source: dl.fedoraproject.org
Nixverified · 92%
nix profile install nixpkgs#openfstnixpkgs package indexes · pkgs/by-name/op/openfst/package.nix · source: api.github.com
openSUSE zypperverified · 92%
sudo zypper install libfst26openSUSE Tumbleweed package metadata · libfst26 · source: download.opensuse.org
overview
Package summary
Library for weighted finite-state transducers
Project links
Commands and aliases
- farcompilestrings
- farconvert
- farcreate
- farencode
- farequal
- farextract
- farinfo
- farisomorphic
- farprintstrings
- fstarcsort
- fstclosure
- fstcompile
- fstcompose
- fstcompress
- fstconcat
- fstconnect
- fstconvert
- fstdeterminize
- fstdifference
- fstdisambiguate
- fstdraw
- fstencode
- fstepsnormalize
- fstequal
- fstequivalent
- fstinfo
- fstintersect
- fstinvert
- fstisomorphic
- fstlinear
- fstloglinearapply
- fstmap
history
Project history and usage
OpenFst is a C++ library and command-line toolkit for constructing, combining, optimizing, and searching weighted finite-state transducers.
Project history
The official OpenFst page says it was developed by contributors from Google Research and NYU's Courant Institute and distributed under the Apache license. It is intended to be comprehensive, reliable, flexible, efficient, and scalable.
The official download page asks users to cite the 2007 paper "OpenFst: A General and Efficient Weighted Finite-State Transducer Library." The modern Google Research GitHub repository exposes Bazel, CMake, Python-wrapper, and extension build documentation.
Adoption history
The official page names applications in speech recognition and synthesis, machine translation, optical character recognition, pattern matching, string processing, machine learning, information extraction, and information retrieval. The supplied package metadata records packages across apk, Homebrew, Debian, Fedora/dnf, MacPorts, Nix, Ubuntu, and zypper.
How it is used
Users can embed OpenFst as a C++ library or compose command-line tools such as fstcompile, fstcompose, fstdeterminize, fstminimize, fstshortestpath, and fstprint.
The official README describes building with GNU build tooling, Bazel, or CMake, and notes that command-line utilities are enabled by default unless configured out.
Why package nerds care
OpenFst is a package-catalog heavyweight because it turns specialized formal-language research software into a reusable system dependency with many executables, libraries, extensions, and downstream speech or NLP consumers.
Timeline
- 2007: OpenFst was presented as a general and efficient weighted finite-state transducer library.
- 2024-12-23: the official OpenFst home page revision listed OpenFst 1.8.4 as available.
- 2026-03-04: the official download page revision listed OpenFst 1.8.5 as the current version.
Related projects
- Related areas and projects include OpenGrm-style grammars, finite-state morphology systems, speech-recognition lexicon and language-model pipelines, and weighted automata research.
Sources
- https://github.com/google-research/openfst
- https://www.openfst.org/twiki/bin/view/FST/FstDownload
- https://www.openfst.org/twiki/bin/view/FST/WebHome
- https://www.openfst.org/twiki/pub/FST/FstDownload/README
- source_facts.executables
- source_facts.package-manager
security posture
Risk level: yellow
broad file, network, media, or database tool signal. generalized runtime or code generation signal.
Risk classifier
yellow risk · medium confidence · runtime
Why
- broad file, network, media, or database tool signal
- generalized runtime or code generation signal
Signals
- text:repl
- text:sync,compress
Install behavior
- No Homebrew post-install hook is recorded in formula metadata.
- Homebrew bottle metadata is available for 8 platform targets.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
farcompilestrings | cli | global executable | |
farconvert | cli | global executable | |
farcreate | cli | global executable | |
farencode | cli | global executable | |
farequal | cli | global executable | |
farextract | cli | global executable | |
farinfo | cli | global executable | |
farisomorphic | cli | global executable | |
farprintstrings | cli | global executable | |
fstarcsort | cli | global executable | |
fstclosure | cli | global executable | |
fstcompile | cli | global executable | |
fstcompose | cli | global executable | |
fstcompress | cli | global executable | |
fstconcat | cli | global executable | |
fstconnect | cli | global executable | |
fstconvert | cli | global executable | |
fstdeterminize | cli | global executable | |
fstdifference | cli | global executable | |
fstdisambiguate | cli | global executable | |
fstdraw | cli | global executable | |
fstencode | cli | global executable | |
fstepsnormalize | cli | global executable | |
fstequal | cli | global executable | |
fstequivalent | cli | global executable | |
fstinfo | cli | global executable | |
fstintersect | cli | global executable | |
fstinvert | cli | global executable | |
fstisomorphic | cli | global executable | |
fstlinear | cli | global executable | |
fstloglinearapply | cli | global executable | |
fstmap | cli | global executable | |
fstminimize | cli | global executable | |
fstprint | cli | global executable | |
fstproject | cli | global executable | |
fstprune | cli | global executable | |
fstpush | cli | global executable | |
fstrandgen | cli | global executable | |
fstrelabel | cli | global executable | |
fstreplace | cli | global executable | |
fstreverse | cli | global executable | |
fstreweight | cli | global executable | |
fstrmepsilon | cli | global executable | |
fstshortestdistance | cli | global executable | |
fstshortestpath | cli | global executable | |
fstspecial | cli | global executable | |
fstsymbols | cli | global executable | |
fstsynchronize | cli | global executable | |
fsttopsort | cli | global executable | |
fstunion | cli | global executable | |
mpdtcompose | cli | global executable | |
mpdtexpand | cli | global executable | |
mpdtinfo | cli | global executable | |
mpdtreverse | cli | global executable | |
pdtcompose | cli | global executable | |
pdtexpand | cli | global executable | |
pdtinfo | cli | global executable | |
pdtreplace | cli | global executable | |
pdtreverse | cli | global executable | |
pdtshortestpath | cli | global executable |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-07-08
manager version1.8.4
manager updated
local dataok
upstreamnot checked
latest detectednot detected
https://www.openfst.org/twiki/bin/view/FST/WebHome
- infoNo package-manager update timestamp was available.low confidence
- infoRelease/tag comparison is only available for GitHub repositories.https://www.openfst.org/twiki/bin/view/FST/WebHomenone confidence
install metadata
Package metadata
| Package key | brew:openfst |
|---|---|
| Version | 1.8.4 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/openfst |
| Homepage | https://www.openfst.org/twiki/bin/view/FST/WebHome |
| Repository | https://github.com/google-research/openfst |
| Upstream docs | https://github.com/google-research/openfst |
| License | Apache-2.0 |
| Source archive | https://openfst.org/twiki/pub/FST/FstDownload/openfst-1.8.4.tar.gz |
| Bottle | available (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, sonoma, ventura, x86_64_linux) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
Source database details
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | openfst |
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
source database matches
Other package-manager records
Matches are pulled from external package-manager indexes and kept separate from local Automic Vault package links.
Debian apt95%
libfst-dev 1.8.4-3
weighted finite-state transducers library (development)
sudo apt install libfst-dev- Section: libdevel
- Architecture: amd64
- Source Package: openfst
- 1 dependencies
- normalized package name match
- Matched by: Openfst
Debian apt95%
libfst-tools 1.8.4-3
weighted finite-state transducers library (tools)
sudo apt install libfst-tools- Section: text
- Architecture: amd64
- Source Package: openfst
- 3 dependencies
- 1 provides
- normalized package name match
- Matched by: Openfst
Debian apt95%
libfst26 1.8.4-3
weighted finite-state transducers library (runtime)
sudo apt install libfst26- Section: libs
- Architecture: amd64
- Source Package: openfst
- 3 dependencies
- normalized package name match
- Matched by: Openfst
Debian apt95%
libfst26-plugins-base 1.8.4-3
weighted finite-state transducers library (base plugins)
sudo apt install libfst26-plugins-base- Section: text
- Architecture: amd64
- Source Package: openfst
- 4 dependencies
- normalized package name match
- Matched by: Openfst
Nix95%
openfst
nix profile install nixpkgs#openfst- normalized package name match
- Matched by: Openfst
Ubuntu apt95%
libfst-dev 1.7.9-5build1
weighted finite-state transducers library (development)
sudo apt install libfst-dev- Section: universe/libdevel
- Architecture: amd64
- Source Package: openfst
- 1 dependencies
- normalized package name match
- Matched by: Openfst
Ubuntu apt95%
libfst-tools 1.7.9-5build1
weighted finite-state transducers library (tools)
sudo apt install libfst-tools- Section: universe/text
- Architecture: amd64
- Source Package: openfst
- 3 dependencies
- 1 provides
- normalized package name match
- Matched by: Openfst
Ubuntu apt95%
libfst22 1.7.9-5build1
weighted finite-state transducers library (runtime)
sudo apt install libfst22- Section: universe/libs
- Architecture: amd64
- Source Package: openfst
- 3 dependencies
- 1 provides
- normalized package name match
- Matched by: Openfst
Ubuntu apt95%
libfst22-plugins-base 1.7.9-5build1
weighted finite-state transducers library (base plugins)
sudo apt install libfst22-plugins-base- Section: universe/text
- Architecture: amd64
- Source Package: openfst
- 4 dependencies
- normalized package name match
- Matched by: Openfst
apk95%
libfst 1.8.4-r0
Finite-state transducers library
sudo apk add libfst- License: Apache-2.0
- Architecture: x86_64
- Source Package: openfst
- 1 dependencies
- 1 provides
- normalized package name match
- Matched by: Openfst
apk95%
libfstcompact 1.8.4-r0
Finite-state transducers library
sudo apk add libfstcompact- License: Apache-2.0
- Architecture: x86_64
- Source Package: openfst
- 1 dependencies
- 1 provides
- normalized package name match
- Matched by: Openfst
apk95%
libfstconst 1.8.4-r0
Finite-state transducers library
sudo apk add libfstconst- License: Apache-2.0
- Architecture: x86_64
- Source Package: openfst
- 1 dependencies
- 1 provides
- normalized package name match
- Matched by: Openfst
apk95%
libfstfar 1.8.4-r0
Finite-state transducers library
sudo apk add libfstfar- License: Apache-2.0
- Architecture: x86_64
- Source Package: openfst
- 1 dependencies
- 1 provides
- normalized package name match
- Matched by: Openfst
apk95%
libfstlookahead 1.8.4-r0
Finite-state transducers library
sudo apk add libfstlookahead- License: Apache-2.0
- Architecture: x86_64
- Source Package: openfst
- 1 dependencies
- 1 provides
- normalized package name match
- Matched by: Openfst
apk95%
libfstngram 1.8.4-r0
Finite-state transducers library
sudo apk add libfstngram- License: Apache-2.0
- Architecture: x86_64
- Source Package: openfst
- 1 dependencies
- 1 provides
- normalized package name match
- Matched by: Openfst
apk95%
openfst 1.8.4-r0
Finite-state transducers library
sudo apk add openfst- License: Apache-2.0
- Architecture: x86_64
- Source Package: openfst
- 1 dependencies
- normalized package name match
- Matched by: Openfst
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Used sources
- Geiger risk classifier
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- curated package history
- external package-manager database matches
- package relationship graph
- package version freshness
- package-page enrichment