Alternatives to Hazm

NLTK is the free Python library for tokenization, POS tagging, parsing, and 50+ linguistic corpora.

spaCy is the open-source Python NLP library for fast, production-grade text processing and information extraction at scale.

Compromise is a zero-dependency JavaScript NLP library for offline POS tagging, named entity recognition, and verb conjugation in English

Mirascope is an open-source Python library that turns LLM calls, tools, and prompt versioning into plain decorated functions.

Open-source Python library that constrains LLM output with regex, context-free grammars, and inline control flow.

Open Strawberry is a free, open-source chain-of-thought inspector for reading and comparing model reasoning traces.

Open-source Python library for building and auto-optimizing LLM workflows, from RAG systems to agents.

Zero-dependency JavaScript NLP library with a full pipeline for Node.js and the browser.

Open-source Java machine-learning framework plus a free REST API with 14 pre-trained NLP classifiers

HanLP is a production-oriented multilingual NLP toolkit with a deep focus on Chinese, built on PyTorch and TensorFlow 2.x.

Open-source wire protocol suite that standardizes LLM, vector, graph, and embedding calls so you swap providers in config, not code

Open-source PyTorch toolkit for compressing transformer NLP models via knowledge distillation.

Genkit is Google's open-source AI SDK for building agentic AI apps in TypeScript, Go, Python, and Dart.

Open-source Python framework that adds retrieval-augmented document Q&A to your app in five lines of code

Open-source Java library that puts a unified LLM and vector store API inside your JVM app

Open-source Python RAG framework that turns your PDFs, Notion pages, and websites into a queryable AI app in a few lines of code.

Marvin is an open-source Python framework that turns LLM calls into typed functions, agents, and Pydantic-validated results.

Open-source Rust library for building streaming, parallel LLM pipelines — data indexing, retrieval-augmented generation, and autonomous agents.

Simplemma is a pure-Python multilingual lemmatizer that returns dictionary lemmas across 35 languages.

A type-safe, open-source TypeScript library for orchestrating multi-step AI workflows on top of the Vercel AI SDK.

Open-source Python SDK from Backblaze for chaining generative AI video, audio, and image jobs with verifiable provenance metadata on every output.

A lightweight, type-checked deep learning library for composing models across PyTorch, TensorFlow and MXNet backends.

Open-source Java library that tokenizes text with OpenAI's BPE encodings so you can count, encode and decode locally

TypeLLM returns typed, schema-conformant values from text and images in one API call — no JSON repair loops.

Open-source framework for adding agent chat, generative UI, and human approvals to React apps on any agent backend.

Outlines is a Python library for structured generation that constrains LLM decoding so JSON, regex, and grammar outputs are valid every

Open-source React toolkit for generative UI that renders your own components from natural language

Open-source TypeScript SDK for streaming AI apps and agents across 100+ models, with built-in provider fallbacks

OpenUI turns AI agent responses into streaming generative UI built from your own component library.

PrivateGPT is the open-source on-premise RAG framework for local document Q&A — 57k GitHub stars, zero cloud calls.