Repositories list

• CTranslate2

  Public

  OpenNMT/CTranslate2’s past year of commit activity
  Fast inference engine for Transformer models

  deep-neural-networksdeep-learningcpp+ 17

  deep-neural-networksdeep-learningcppneonmachine-translationopenmpparallel-computingcudainferenceavx+ 10

  C++

  •

  MIT License

  •473473 forks•4.4k4.4k stars•218218 issues•4545 pull requests•Updated Feb 4, 2026Feb 4, 2026

• Tokenizer

  Public
  Fast and customizable text tokenization library with BPE and SentencePiece support

  pythonunicodenatural-language-processing+ 7

  pythonunicodenatural-language-processingcppicutokenizermachine-translationtokenizationbpesentencepiece

  C++

  •

  MIT License

  •8181 forks•333333 stars•66 issues•33 pull requests•Updated Jan 10, 2026Jan 10, 2026

• OpenNMT-py

  Public

  OpenNMT/OpenNMT-py’s past year of commit activity
  Open Source Neural Machine Translation and (Large) Language Models in PyTorch

  deep-learningmachine-translationpytorch+ 3

  deep-learningmachine-translationpytorchneural-machine-translationlanguage-modelllms

  Python

  •

  MIT License

  •2.3k2.3k forks•7k7k stars•1010 issues•1313 pull requests•Updated Oct 14, 2025Oct 14, 2025

• OpenNMT-tf

  Public

  OpenNMT/OpenNMT-tf’s past year of commit activity
  Neural machine translation and sequence learning using TensorFlow

  pythonnatural-language-processingdeep-learning+ 4

  pythonnatural-language-processingdeep-learningtensorflowmachine-translationneural-machine-translationopennmt

  Python

  •

  MIT License

  •378378 forks•1.5k1.5k stars•2929 issues•44 pull requests•Updated Oct 14, 2023Oct 14, 2023

• nmt-wizard

  Public archive

  OpenNMT/nmt-wizard’s past year of commit activity
  Launch NMT tasks on the cloud

  Python

  •

  MIT License

  •1616 forks•1313 stars•22 issues•77 pull requests•Updated May 8, 2023May 8, 2023

• nmt-wizard-docker

  Public archive

  OpenNMT/nmt-wizard-docker’s past year of commit activity
  Dockerized NMT frameworks for nmt-wizard

  dockerneural-machine-translationopennmt

  dockerneural-machine-translationopennmt

  Python

  •

  MIT License

  •1919 forks•3939 stars•11 issue•11 pull request•Updated Apr 18, 2023Apr 18, 2023

• opennmt.github.io

  Public

  OpenNMT/opennmt.github.io’s past year of commit activity
  OpenNMT website

  CSS

  •

  MIT License

  •1212 forks•55 stars•00 issues•00 pull requests•Updated Jan 10, 2023Jan 10, 2023

• papers

  Public

  OpenNMT/papers’s past year of commit activity
  TeX

  •22 forks•88 stars•22 issues•00 pull requests•Updated Nov 26, 2021Nov 26, 2021

• Plugins

  Public archive

  OpenNMT/Plugins’s past year of commit activity
  Plugins for OpenNMT server in 3rd Party applications

  opennmttrados-studioopennmt-server

  opennmttrados-studioopennmt-server

  C#

  •

  MIT License

  •22 forks•66 stars•11 issue•00 pull requests•Updated May 26, 2020May 26, 2020

• CTranslate

  Public archive

  OpenNMT/CTranslate’s past year of commit activity
  Lightweight C++ translator for OpenNMT Torch models (deprecated)

  cppeigenneural-machine-translation+ 1

  cppeigenneural-machine-translationopennmt

  C++

  •

  MIT License

  •4747 forks•8080 stars•77 issues•11 pull request•Updated Apr 7, 2020Apr 7, 2020

• OpenNMT

  Public archive
  Open Source Neural Machine Translation in Torch (deprecated)

  luadeep-learningmachine-translation+ 3

  luadeep-learningmachine-translationtorchneural-machine-translationopennmt

  Lua

  •

  MIT License

  •459459 forks•2.4k2.4k stars•3333 issues•1313 pull requests•Updated Feb 19, 2020Feb 19, 2020

• Hackathon

  Public

  OpenNMT/Hackathon’s past year of commit activity
  Resources for the OpenNMT hackathon

  Ruby

  •1010 forks•5151 stars•11 issue•00 pull requests•Updated May 24, 2019May 24, 2019

• lua-sentencepiece

  Public
  lua wrapper for sentencepiece library

  C++

  •

  MIT License

  •00 forks•44 stars•00 issues•00 pull requests•Updated Jun 23, 2018Jun 23, 2018

• VisTools

  Public
  Toolkit independent tools for visualizing NMT systems

  Python

  •

  MIT License

  •66 forks•1111 stars•00 issues•00 pull requests•Updated Mar 19, 2018Mar 19, 2018

• Presentations

  Public
  Presentations documents related to OpenNMT talk or events

  11 fork•1414 stars•00 issues•00 pull requests•Updated Mar 13, 2018Mar 13, 2018

• Im2Text

  Public
  Im2Text extension to OpenNMT

  Lua

  •

  MIT License

  •2222 forks•138138 stars•55 issues•00 pull requests•Updated Aug 9, 2017Aug 9, 2017

• Poster

  Public
  TeX

  •11 fork•00 stars•00 issues•00 pull requests•Updated Jul 27, 2017Jul 27, 2017

• Recipes

  Public archive
  Recipes for training OpenNMT systems

  Shell

  •

  MIT License

  •1010 forks•1414 stars•00 issues•00 pull requests•Updated Jul 26, 2017Jul 26, 2017

• cnn-dailymail

  Public
  Code to obtain the CNN / Daily Mail dataset (non-anonymized) for summarization

  Python

  •306306 forks•77 stars•00 issues•00 pull requests•Updated May 29, 2017May 29, 2017

• Docs

  Public
  HTML

  •00 forks•22 stars•00 issues•00 pull requests•Updated Mar 30, 2017Mar 30, 2017

• nmt-benchmark

  Public archive
  JavaScript

  •22 forks•11 star•11 issue•00 pull requests•Updated Mar 15, 2017Mar 15, 2017

• Report

  Public archive
  TeX

  •33 forks•33 stars•00 issues•00 pull requests•Updated Feb 26, 2017Feb 26, 2017

• adaptive-softmax

  Public
  Implements an efficient softmax approximation as described in the paper "Efficient softmax approximation for GPUs" (http://arxiv.org/abs/1609.04309)

  Lua

  •

  Other

  •4848 forks•44 stars•00 issues•00 pull requests•Updated Feb 15, 2017Feb 15, 2017

• IntegrationTesting

  Public archive
  Shell

  •22 forks•66 stars•00 issues•00 pull requests•Updated Jan 29, 2017Jan 29, 2017

• Server

  Public archive
  JavaScript

  •

  MIT License

  •88 forks•1717 stars•55 issues•00 pull requests•Updated Jan 2, 2017Jan 2, 2017