Axolotl
OSS fine-tuning framework built on HuggingFace Transformers. Supports LoRA, QLoRA, full fine-tuning, and FSDP. Config-driven — define your training run in a YAML file.
Unsloth
Dramatically speeds up LoRA and QLoRA fine-tuning by rewriting GPU kernels. Compatible with HuggingFace and works with Llama, Mistral, Gemma, and more. No accuracy loss.