The sentences command line tool tokenizes text into sentences in multiple languages using Go.
The Best Polyglot Alternatives in 2026
Looking for something like Polyglot? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 15 are open source.
Polyglot provides multilingual text processing tools for natural language processing.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | sentences | — | Yes | — |
| 2 | LMQL | — | Not stated | Web |
| 3 | FoLiA format | — | Not stated | Web |
| 4 | Codigo | — | Not stated | Web |
| 5 | pgmpy | — | Yes | — |
| 6 | XGBoost | — | Yes | — |
| 7 | xonsh shell | — | Not stated | — |
| 8 | python-frog | — | Yes | Linux, macOS, Windows |
| 9 | Libpython-clj | — | Yes | — |
| 10 | Cybertron | — | Yes | — |
All Polyglot alternatives
LMQL
lmql.aiLMQL provides a programming language for interactions with large language models.
FoLiA format
proycon.github.io/foliaFoLiA is an XML format for linguistic annotation of written language resources such as corpora.
Codigo
codigolangs.comSearch and compare programming languages in Codigo, a directory that also publishes language news and examples.
pgmpy provides Python tools for causal inference and probabilistic reasoning.
Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library.
xonsh shell
github.com/xonsh/xonshxonsh is a Python-powered shell described as full-featured, cross-platform, and AI-friendly.
Python bindings for Frog expose Dutch NLP functions such as tagging, lemmatization, named entity recognition, and parsing.
libpython-clj provides Python bindings that connect Python libraries with Clojure code.
The Cybertron Go package provides an interface for NLP technologies and pretrained Transformer models.
Rust native ready-to-use NLP pipelines and transformer-based models (BERT, DistilBERT, GPT2,...).
Run Python with RustPython, an open-source Python 3 interpreter written in Rust.
scikit-learn
scikit-learn.orgThe scikit-learn documentation covers machine learning tools and methods for Python.
Retext processes natural language through a plugin based toolkit in the unified JavaScript ecosystem.
Natural provides general purpose natural language processing utilities for applications built with Node.js.
Treat
github.com/louismullie/treatTreat supplies Ruby developers with a framework for natural language processing.
OpenNLP
opennlp.apache.orgApache OpenNLP is a machine learning based toolkit for the processing of natural language text.
MixedModels.jl fits statistical mixed effects models using the Julia programming language.
Use Crystalline, a Language Server Protocol implementation for the Crystal programming language.
Stemmer
github.com/fredwu/stemmerThe Stemmer project implements English Porter2 word stemming in the Elixir programming language.
The Twitter Text Java library tokenizes and parses text according to platform text requirements.
Explore GitHub Awesome lists through AwesomeExplorer, a web app for finding repositories and resources.
JEnv for Windows switches the active Java version with a short command.
act
nektosact.comThe act programming language is documented in a user guide with reference materials.
Alternatives to similar tools
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