Diffusers

Transformers

huggingface/transformers

Popular

Hugging Face's reference library for defining, loading and fine-tuning pretrained text, vision and audio models.

Hugging Face Hub

huggingface/huggingface_hub

Popular

The main registry for open models, datasets and Spaces, plus the Python client for uploading and downloading.

Datasets

huggingface/datasets

Popular

Load, stream and process large ML datasets from the Hub with Apache Arrow-backed memory mapping.

PEFT

huggingface/peft

Parameter-efficient fine-tuning methods such as LoRA and QLoRA for adapting large models cheaply.

TRL

huggingface/trl

Popular

Hugging Face library for post-training LLMs with SFT, DPO, GRPO and other RL-based methods.

Accelerate

huggingface/accelerate

Run the same PyTorch training code on CPU, multi-GPU, TPU, FSDP or DeepSpeed with minimal changes.

Tokenizers

huggingface/tokenizers

Fast Rust-backed implementations of BPE, WordPiece and Unigram tokenizers for training and inference.

Sentence Transformers

huggingface/sentence-transformers

Popular

Standard library for computing and fine-tuning text embeddings and rerankers for search and RAG.

Transformers.js

huggingface/transformers.js

Trending (detected automatically)

Run Hugging Face models (NLP, vision, audio) directly in the browser via ONNX Runtime and WebGPU.