Repositories list

• litgpt

  Public

  Lightning-AI/litgpt’s past year of commit activity
  20+ high-performance LLMs with recipes to pretrain, finetune and deploy at scale.

  aideep-learningartificial-intelligence+ 4

  aideep-learningartificial-intelligencelarge-language-modelsllmllmsllm-inference

  Python

  •

  Apache License 2.0

  •1.4k1.4k forks•13k13k stars•234234 issues•1313 pull requests•Updated Apr 10, 2026Apr 10, 2026

• LitLogger

  Public

  Lightning-AI/LitLogger’s past year of commit activity
  A minimal Python logger that tracks everything you try when building AI - metrics, prompts, models, etc, so you can see what changed and why.

  loggingmetrics-visualizationexperiment-manager+ 1

  loggingmetrics-visualizationexperiment-managerexperiment-tracking

  Python

  •

  Apache License 2.0

  •55 forks•2727 stars•00 issues•33 pull requests•Updated Apr 10, 2026Apr 10, 2026

• torchmetrics

  Public

  Lightning-AI/torchmetrics’s past year of commit activity
  Machine learning metrics for distributed, scalable PyTorch applications.

  pythondata-sciencemachine-learning+ 4

  pythondata-sciencemachine-learningdeep-learningmetricspytorchanalyses

  Python

  •

  Apache License 2.0

  •485485 forks•2.4k2.4k stars•8181 issues•3030 pull requests•Updated Apr 10, 2026Apr 10, 2026

• utilities

  Public

  Lightning-AI/utilities’s past year of commit activity
  Common Python utilities and GitHub Actions in Lightning Ecosystem

  ci-cddeveloper-toolsgithub-actions

  ci-cddeveloper-toolsgithub-actions

  Python

  •

  Apache License 2.0

  •2424 forks•6262 stars•11 issue•44 pull requests•Updated Apr 10, 2026Apr 10, 2026

• LitServe

  Public

  Lightning-AI/LitServe’s past year of commit activity
  A minimal Python framework for building custom AI inference servers with full control over logic, batching, and scaling.

  apiwebai+ 6

  apiwebaideep-learningrest-apiartificial-intelligencedeveloper-toolsservingfastapi

  Python

  •

  Apache License 2.0

  •278278 forks•3.9k3.9k stars•2424 issues•55 pull requests•Updated Apr 9, 2026Apr 9, 2026

• pytorch-lightning

  Public

  Lightning-AI/pytorch-lightning’s past year of commit activity
  Pretrain, finetune ANY AI model of ANY size on 1 or 10,000+ GPUs with zero code changes.

  pythondata-sciencemachine-learning+ 4

  pythondata-sciencemachine-learningaideep-learningpytorchartificial-intelligence

  Python

  •

  Apache License 2.0

  •3.7k3.7k forks•31k31k stars•839839 issues•146146 pull requests•Updated Apr 7, 2026Apr 7, 2026

• lightning-thunder

  Public

  Lightning-AI/lightning-thunder’s past year of commit activity
  PyTorch compiler that accelerates training and inference. Get built-in optimizations for performance, memory, parallelism, and easily write your own.

  Python

  •

  Apache License 2.0

  •113113 forks•1.5k1.5k stars•418418 issues•6161 pull requests•Updated Apr 6, 2026Apr 6, 2026

• litData

  Public

  Lightning-AI/litData’s past year of commit activity
  Speed up model training by fixing data loading.

  Python

  •

  Apache License 2.0

  •8989 forks•586586 stars•4040 issues•88 pull requests•Updated Apr 6, 2026Apr 6, 2026

• LitModels

  Public

  Lightning-AI/LitModels’s past year of commit activity
  Save, load, host, and share AI model checkpoints without slowing down training. Host on Lightning AI or your own cloud with enterprise-grade access controls.

  modelsharingcheckpoint+ 1

  modelsharingcheckpointfine-tuning

  Python

  •

  Apache License 2.0

  •99 forks•4242 stars•22 issues•55 pull requests•Updated Apr 6, 2026Apr 6, 2026

• probot

  Public

  Lightning-AI/probot’s past year of commit activity
  TypeScript

  •

  ISC License

  •1414 forks•99 stars•00 issues•55 pull requests•Updated Apr 3, 2026Apr 3, 2026

• skypilot

  Public
  Run, manage, and scale AI workloads on any AI infrastructure. Use one system to access & manage all AI compute (Kubernetes, Slurm, 20+ clouds, on-prem).

  Python

  •

  Apache License 2.0

  •1k1k forks•00 stars•00 issues•00 pull requests•Updated Apr 3, 2026Apr 3, 2026

• litAI

  Public
  LLM router + minimal agent framework in one. Call any LLM API with OpenAI format. Unified billing, tools, retries, fallback, logging. Build agents and AI apps i…

  apiaichatbot+ 4

  apiaichatbotopenaiagentsllmopenai-proxy

  Python

  •

  Apache License 2.0

  •1010 forks•4848 stars•22 issues•22 pull requests•Updated Mar 30, 2026Mar 30, 2026

• tutorials

  Public archive
  Collection of Pytorch lightning tutorial form as rich scripts automatically transformed to ipython notebooks.

  machine-learninglightningdeep-learning+ 4

  machine-learninglightningdeep-learningjupyter-notebooktutorialsnotebookspython-scripts

  Python

  •

  Apache License 2.0

  •8080 forks•319319 stars•1212 issues•33 pull requests•Updated Aug 4, 2025Aug 4, 2025

• lightning-Habana

  Public archive
  Lightning support for Intel Habana accelerators.

  pythonmachine-learningdeep-learning+ 1

  pythonmachine-learningdeep-learningpytorch

  Python

  •

  Apache License 2.0

  •88 forks•2727 stars•11 issue•88 pull requests•Updated Aug 1, 2025Aug 1, 2025

• litperf

  Public
  Lightweight performance tracker for Python code - zero overhead when disabled.

  Python

  •

  Apache License 2.0

  •22 forks•55 stars•00 issues•00 pull requests•Updated Jul 26, 2025Jul 26, 2025

• lit-llama

  Public
  Implementation of the LLaMA language model based on nanoGPT. Supports flash attention, Int8 and GPTQ 4bit quantization, LoRA and LLaMA-Adapter fine-tuning, pre-…

  Python

  •

  Apache License 2.0

  •520520 forks•6.1k6.1k stars•100100 issues•77 pull requests•Updated Jul 1, 2025Jul 1, 2025

• forked-pdb

  Public
  Python pdb for multiple processes

  Python

  •

  Apache License 2.0

  •99 forks•8181 stars•00 issues•00 pull requests•Updated May 24, 2025May 24, 2025

• hello-studio

  Public
  Starter projects for Lightning Studios

  Python

  •

  Apache License 2.0

  •22 forks•55 stars•00 issues•00 pull requests•Updated May 18, 2025May 18, 2025

• ecosystem-ci

  Public archive
  Automate issue discovery for your projects against Lightning nightly and releases.

  pythonlightweightdeep-learning+ 3

  pythonlightweightdeep-learningintegration-testingci-cdcompatibility-testing

  Python

  •

  Apache License 2.0

  •1515 forks•4646 stars•66 issues•88 pull requests•Updated May 6, 2025May 6, 2025

• dl-fundamentals

  Public archive
  Deep Learning Fundamentals -- Code material and exercises

  pythonmachine-learningai+ 2

  pythonmachine-learningaideep-learningpytorch

  Jupyter Notebook

  •209209 forks•403403 stars•33 issues•00 pull requests•Updated Feb 28, 2024Feb 28, 2024

• lightning-Graphcore

  Public archive
  Python

  •

  Apache License 2.0

  •44 forks•99 stars•22 issues•66 pull requests•Updated Feb 1, 2024Feb 1, 2024

• .github

  Public
  00 forks•00 stars•00 issues•00 pull requests•Updated Dec 24, 2023Dec 24, 2023

• Lightning-multinode-templates

  Public
  Multinode templates for Pytorch Lightning

  Python

  •

  Apache License 2.0

  •11 fork•88 stars•11 issue•00 pull requests•Updated Nov 26, 2023Nov 26, 2023

• deep-learning-project-template

  Public archive
  Pytorch Lightning code guideline for conferences

  Python

  •

  Apache License 2.0

  •272272 forks•1.3k1.3k stars•1111 issues•33 pull requests•Updated Sep 20, 2023Sep 20, 2023

• lm-evaluation-harness

  Public archive
  A framework for few-shot evaluation of autoregressive language models.

  Python

  •

  MIT License

  •3.2k3.2k forks•33 stars•00 issues•00 pull requests•Updated Jun 5, 2023Jun 5, 2023

• engineering-class

  Public archive
  Lightning Bits: Engineering for Researchers repo

  Python

  •1818 forks•134134 stars•00 issues•00 pull requests•Updated Aug 29, 2022Aug 29, 2022