OpenFst Download

Release downloads:

Current version:
Download openfst-1.6.7.tar.gz (requires C++11)

SHA-1: b6c2771c8deee6879a2c98a0c975b078f59c7dd7
SHA-256: e21a486d827cde6a592c8e91721e4540ad01a5ae35a60423cf17be4d716017f7

Earlier versions: show hide
Download openfst-1.6.6.tar.gz (requires C++11)
Download openfst-1.6.5.tar.gz (requires C++11)
Download openfst-1.6.4.tar.gz (requires C++11)
Download openfst-1.6.3.tar.gz (requires C++11)
Download openfst-1.6.2.tar.gz (requires C++11)
Download openfst-1.6.1.tar.gz (requires C++11)
Download openfst-1.6.0.tar.gz (requires C++11)
Download openfst-1.5.4.tar.gz (requires C++11)
Download openfst-1.5.3.tar.gz (requires C++11)
Download openfst-1.5.2.tar.gz (requires C++11)
Download openfst-1.5.1.tar.gz (requires C++11)
Download openfst-1.5.0.tar.gz (requires C++11)
Download openfst-1.4.1.tar.gz (requires C++11)
Download openfst-1.4.0.tar.gz (requires C++11)
Download openfst-1.3.4.tar.gz
Download openfst-1.3.3.tar.gz
Download openfst-1.3.2.tar.gz
Download openfst-1.3.1.tar.gz
Download openfst-1.2.11.tar.gz
Download openfst-1.2.10.tar.gz
Download openfst-1.2.9.tar.gz
Download openfst-1.2.8.tar.gz
Download openfst-1.2.7.tar.gz
Download openfst-1.2.6.tar.gz
Download openfst-1.2.5.tar.gz
Download openfst-1.2.4.tar.gz
Download openfst-1.2.3.tar.gz
Download openfst-1.2.2.tar.gz
Download openfst-1.2.1.tar.gz

From the current release:

gif.gif Source list
IDEA! README (includes system requirements; installation and usage overview)

Special instructions:

Warning, important Instructions for compiling on MacOS X Leopard and Tiger
Warning, important Contributed Instructions and code for compiling on Windows with Visual Studio
Warning, important When using Xcode 5 on MacOSX, remember to accept the license: /Applications/ -license accept.

Release Notifications:

You can be notified when the NEWS topic changes, indicating a new release. Simply add

  • UserName : FstNews

to the this topic if you are a registered user and logged in. (Log In or Register)

If you do not wish to register and signup for notifications, you may still want to periodically check back for more recent versions to benefit from bug patches and other improvements.


We'd appreciate OpenFst users acknowledging its use in their publications. You can cite:

Cyril Allauzen, Michael Riley, Johan Schalkwyk, Wojciech Skut and Mehryar Mohri, 
"OpenFst: A General and Efficient Weighted Finite-State Transducer Library", 
Proceedings of the Ninth International Conference on Implementation and 
Application of Automata, (CIAA 2007), volume 4783 of Lecture Notes in 
Computer Science, pages 11-23. Springer, 2007.

Here is a BibTex entry for this reference.

Topic attachments
I Attachment History Action Size Date Who Comment
Unknown file formatEXT NEWS r5 r4 r3 r2 r1 manage 12.0 K 2017-11-01 - 22:57 KyleGorman  
Compressed Zip archivetgz OpenFst-beta-20070801.tgz r1 manage 153.0 K 2007-08-01 - 22:20 MichaelRiley  
Compressed Zip archivetgz OpenFst-beta-20080313.tgz r3 r2 r1 manage 154.8 K 2008-03-13 - 21:34 MichaelRiley  
Compressed Zip archivetgz OpenFst-beta-20080314.tgz r1 manage 155.0 K 2008-03-14 - 23:24 MichaelRiley  
Compressed Zip archivetgz OpenFst-beta-20080317.tgz r2 r1 manage 153.0 K 2008-03-17 - 23:11 CyrilAllauzen  
Compressed Zip archivetgz OpenFst-beta-20080408.tgz r1 manage 153.0 K 2008-04-08 - 22:06 CyrilAllauzen  
Compressed Zip archivetgz OpenFst-beta-20080417.tgz r2 r1 manage 153.1 K 2008-04-17 - 21:27 CyrilAllauzen  
Compressed Zip archivetgz OpenFst-beta-20080422.tgz r1 manage 153.1 K 2008-04-22 - 22:15 CyrilAllauzen  
Unknown file formatEXT README r5 r4 r3 r2 r1 manage 3.1 K 2017-11-01 - 22:58 KyleGorman  
Unknown file formatgz openfst-1.0.tar.gz r1 manage 502.7 K 2009-02-26 - 01:00 MichaelRiley  
Unknown file formatgz openfst-1.1.tar.gz r2 r1 manage 501.4 K 2009-03-21 - 03:47 MichaelRiley  
Unknown file formatgz openfst-1.2.1.tar.gz r1 manage 636.1 K 2010-08-27 - 02:44 MichaelRiley  
Unknown file formatgz openfst-1.2.10.tar.gz r1 manage 686.1 K 2011-12-30 - 03:39 MichaelRiley  
Unknown file formatgz openfst-1.2.11.tar.gz r1 manage 695.0 K 2013-06-11 - 18:15 CyrilAllauzen  
Unknown file formatgz openfst-1.2.2.tar.gz r1 manage 639.0 K 2010-09-03 - 21:01 MichaelRiley  
Unknown file formatgz openfst-1.2.3.tar.gz r1 manage 639.2 K 2010-09-09 - 21:10 MichaelRiley  
Unknown file formatgz openfst-1.2.4.tar.gz r1 manage 652.9 K 2010-10-20 - 21:49 MichaelRiley  
Unknown file formatgz openfst-1.2.5.tar.gz r1 manage 654.9 K 2010-11-01 - 01:57 MichaelRiley  
Unknown file formatgz openfst-1.2.6.tar.gz r1 manage 655.6 K 2010-12-01 - 01:48 MichaelRiley  
Unknown file formatgz openfst-1.2.7.tar.gz r2 r1 manage 652.5 K 2011-03-12 - 00:11 CyrilAllauzen  
Unknown file formatgz openfst-1.2.8.tar.gz r2 r1 manage 681.5 K 2011-11-17 - 16:11 CyrilAllauzen  
Unknown file formatgz openfst-1.2.9.tar.gz r1 manage 686.0 K 2011-12-05 - 22:49 MichaelRiley  
Unknown file formatgz openfst-1.2.tar.gz r1 manage 637.8 K 2010-08-12 - 00:49 JacobRatkiewicz  
Unknown file formatgz openfst-1.3.1.tar.gz r1 manage 696.7 K 2012-03-02 - 01:13 MichaelRiley  
Unknown file formatgz openfst-1.3.2.tar.gz r4 r3 r2 r1 manage 706.3 K 2012-06-14 - 15:38 JeffreySorensen  
Unknown file formatgz openfst-1.3.3.tar.gz r2 r1 manage 742.0 K 2013-01-24 - 02:36 RichardSproat  
Unknown file formatgz openfst-1.3.4.tar.gz r1 manage 751.1 K 2013-11-02 - 01:12 MichaelRiley  
Unknown file formatgz openfst-1.4.0.tar.gz r1 manage 803.6 K 2014-04-25 - 21:39 MichaelRiley  
Unknown file formatgz openfst-1.4.1.tar.gz r1 manage 804.7 K 2014-04-29 - 22:21 MichaelRiley  
Unknown file formatgz openfst-1.5.0.tar.gz r3 r2 r1 manage 983.6 K 2015-07-01 - 16:49 KyleGorman  
Unknown file formatgz openfst-1.5.1.tar.gz r8 r7 r6 r5 r4 manage 1137.3 K 2016-02-25 - 15:06 KyleGorman  
Unknown file formatgz openfst-1.5.2.tar.gz r1 manage 1149.5 K 2016-04-12 - 14:29 KyleGorman  
Unknown file formatgz openfst-1.5.3.tar.gz r3 r2 r1 manage 1153.4 K 2016-05-25 - 23:56 KyleGorman  
Unknown file formatgz openfst-1.5.4.tar.gz r1 manage 1159.5 K 2016-08-24 - 17:45 KyleGorman  
Unknown file formatgz openfst-1.6.0.tar.gz r2 r1 manage 1179.3 K 2017-01-08 - 01:53 KyleGorman  
Unknown file formatgz openfst-1.6.1.tar.gz r1 manage 1180.3 K 2017-02-06 - 19:45 KyleGorman  
Unknown file formatgz openfst-1.6.2.tar.gz r1 manage 1182.1 K 2017-03-14 - 02:22 KyleGorman  
Unknown file formatgz openfst-1.6.3.tar.gz r1 manage 1185.0 K 2017-07-05 - 21:28 KyleGorman  
Unknown file formatgz openfst-1.6.5.tar.gz r1 manage 1187.3 K 2017-11-01 - 22:56 KyleGorman  
Unknown file formatgz openfst-1.6.6.tar.gz r1 manage 1200.2 K 2018-01-31 - 16:36 KyleGorman  
Unknown file formatgz openfst-1.6.7.tar.gz r1 manage 1202.0 K 2018-03-03 - 00:51 KyleGorman  
Topic revision: r87 - 2018-03-03 - KyleGorman
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