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Machine Learning & AI open-source projects

OpenSrc lists 208 repositories about Machine Learning & AI with open issues for new contributors, and 119 of them are first-PR friendly. Between them they have 3,569 open good first issues and 3,664 help-wanted issues. The median welcome score is 75/100, and the best-scored right now are JuliaLang/julia, apache/airflow and topoteretes/cognee. Most are written in Python, Rust and TypeScript. Many also touch DevOps & Cloud and Databases.

208 repos by best score

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  • The Julia Programming Language

    64good first issues+92 help wanted
    • Julia
    • Field: Scientific Computing
    • Field: Compilers
    • Stars:49.2K
    • MIT
    • CONTRIBUTING
    • replies in ~8h
    Score99 out of 100 contributor score, very welcomingFirst-PR friendly
  • Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

    135good first issues
    • Python
    • Field: Data Science
    • Field: Machine Learning
    • Stars:47K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~48m
    Score98 out of 100 contributor score, very welcomingFirst-PR friendly
  • Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory with…

    59good first issues+2 help wanted
    • Python
    • Field: Machine Learning
    • Field: Databases
    • Stars:31.2K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~23h
    Score98 out of 100 contributor score, very welcomingFirst-PR friendly
  • Tensors and Dynamic neural networks in Python with strong GPU acceleration

    48good first issues
    • Python
    • Field: Machine Learning
    • Field: Graphics
    • Stars:103.5K
    • CONTRIBUTING
    • replies in ~25h
    Score95 out of 100 contributor score, very welcomingFirst-PR friendly
  • The world's most flexible commerce platform for agents and developers

    16good first issues+27 help wanted
    • TypeScript
    • Field: Machine Learning
    • Stars:36.5K
    • CONTRIBUTING
    • replies in ~3h
    Score92 out of 100 contributor score, very welcomingFirst-PR friendly
  • Point Cloud Library (PCL)

    54good first issues+28 help wanted
    • C++
    • Field: DevOps
    • Field: Machine Learning
    • Stars:11.1K
    • CONTRIBUTING
    • replies in ~17h
    Score92 out of 100 contributor score, very welcomingFirst-PR friendly
  • 🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop…

    68good first issues+206 help wanted
    • TypeScript
    • Field: Web Frontend
    • Field: Machine Learning
    • Stars:98.6K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~6m
    Score91 out of 100 contributor score, very welcomingFirst-PR friendly
  • AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the…

    9good first issues+3 help wanted
    • Python
    • Field: Machine Learning
    • Field: Backend
    • Stars:187.6K
    • CONTRIBUTING
    • replies in ~3h
    Score90 out of 100 contributor score, very welcomingFirst-PR friendly
  • Local UI to run and train LLMs and diffusion models. Supports GGUF, MLX, Qwen3.8, DeepSeek-V4, MiniMax-H3…

    4good first issues+19 help wanted
    • Python
    • Field: Machine Learning
    • Field: Web Frontend
    • Stars:77K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~15h
    Score90 out of 100 contributor score, very welcomingFirst-PR friendly
  • Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for…

    72good first issues+15 help wanted
    • Python
    • Field: Machine Learning
    • Field: Data Science
    • Stars:43.9K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~5h
    Score90 out of 100 contributor score, very welcomingFirst-PR friendly
  • Drop-in Apache Spark replacement written in Rust, unifying batch processing, stream processing, and…

    19good first issues+34 help wanted
    • Rust
    • Field: Machine Learning
    • Field: Databases
    • Stars:3.4K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~27h
    Score89 out of 100 contributor score, very welcomingFirst-PR friendly
  • The open source agentic dental software. Built for AI.

    21good first issues+28 help wanted
    • Python
    • Field: Machine Learning
    • Field: Databases
    • Stars:83
    • CONTRIBUTING
    • replies in ~31h
    Score89 out of 100 contributor score, very welcomingFirst-PR friendly
  • A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as…

    4good first issues+15 help wanted
    • Python
    • Field: Data Science
    • Field: Machine Learning
    • Stars:22.9K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~8h
    Score88 out of 100 contributor score, very welcomingFirst-PR friendly
  • Burn is a next generation tensor library and Deep Learning Framework that doesn't compromise on flexibility…

    6good first issues+4 help wanted
    • Rust
    • Field: Machine Learning
    • Field: Graphics
    • Stars:16K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~16h
    Score88 out of 100 contributor score, very welcomingFirst-PR friendly
  • Neo.mjs is a self-evolving software organism: a professional end-to-end AI engineering team whose cross-model…

    7good first issues+12 help wanted
    • JavaScript
    • Field: Machine Learning
    • Field: Web Frontend
    • Stars:3.3K
    • MIT
    • CONTRIBUTING
    • replies in ~3h
    Score88 out of 100 contributor score, very welcomingFirst-PR friendly
  • NLTK Source

    12good first issues
    • Python
    • Field: Machine Learning
    • Stars:14.7K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~11h
    Score87 out of 100 contributor score, very welcomingFirst-PR friendly
  • Skill that audits and rewrites content to remove AI writing patterns. Use it with your favorite agents…

    16good first issues+26 help wanted
    • JavaScript
    • Field: Machine Learning
    • Stars:4.8K
    • MIT
    • CONTRIBUTING
    • replies in ~13h
    Score87 out of 100 contributor score, very welcomingFirst-PR friendly
  • Webots Robot Simulator

    8good first issues
    • C++
    • Field: Scientific Computing
    • Field: Machine Learning
    • Stars:4.7K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~23h
    Score87 out of 100 contributor score, very welcomingFirst-PR friendly
  • AI agents can generate code, but still struggle to understand what they build. Reticle brings Jev-style…

    27good first issues+68 help wanted
    • TypeScript
    • Field: Machine Learning
    • Field: Web Frontend
    • Stars:915
    • CONTRIBUTING
    Score87 out of 100 contributor score, very welcomingFirst-PR friendly
  • 🙌 OpenHands: AI-Driven Development

    24good first issues
    • TypeScript
    • Field: Machine Learning
    • Field: CLI Tools
    • Stars:89.5K
    • MIT
    • replies in ~18m
    Score86 out of 100 contributor score, very welcoming
  • CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero…

    197good first issues+358 help wanted
    • Rust
    • Field: Machine Learning
    • Field: CLI Tools
    • Stars:82K
    • Apache-2.0
    • CONTRIBUTING
    Score86 out of 100 contributor score, very welcomingFirst-PR friendly
  • Event Driven Orchestration & Scheduling Platform for Mission Critical Applications

    46good first issues
    • Java
    • Field: DevOps
    • Field: Data Science
    • Stars:28.5K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~14h
    Score86 out of 100 contributor score, very welcomingFirst-PR friendly
  • Event streaming platform for agentic AI. Continuously ingest, transform, and serve event streams in real…

    51good first issues
    • Rust
    • Field: Databases
    • Field: Data Science
    • Stars:9.4K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~2d
    Score86 out of 100 contributor score, very welcomingFirst-PR friendly
  • MTEB: State-of-the-art evaluation of embeddings across languages and modalities

    17good first issues+3 help wanted
    • Python
    • Field: Machine Learning
    • Stars:3.4K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~42m
    Score86 out of 100 contributor score, very welcomingFirst-PR friendly
  • LLM inference in C/C++

    17good first issues+27 help wanted
    • C++
    • Field: Machine Learning
    • Stars:129.8K
    • MIT
    • CONTRIBUTING
    Score85 out of 100 contributor score, very welcomingFirst-PR friendly
  • Open-source AI job search agent: scan job portals, evaluate listings into a structured A-H report with a…

    14good first issues+20 help wanted
    • JavaScript
    • Field: Machine Learning
    • Field: CLI Tools
    • Stars:73K
    • MIT
    • CONTRIBUTING
    Score85 out of 100 contributor score, very welcomingFirst-PR friendly
  • Visualize, query, and stream to train on multimodal robotics data.

    8good first issues+6 help wanted
    • Rust
    • Field: Embedded
    • Field: Machine Learning
    • Stars:11.5K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~2d
    Score85 out of 100 contributor score, very welcomingFirst-PR friendly
  • Earn RTC crypto by contributing to the RustChain ecosystem. Bounties from 1-150 RTC. Star, code, write…

    60good first issues+15 help wanted
    • Python
    • Field: Blockchain
    • Field: Machine Learning
    • Stars:283
    • AGPL-3.0
    • CONTRIBUTING
    Score85 out of 100 contributor score, very welcomingFirst-PR friendly
  • Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search

    33good first issues+13 help wanted
    • Go
    • Field: Databases
    • Field: Machine Learning
    • Stars:46.3K
    • Apache-2.0
    • CONTRIBUTING
    Score84 out of 100 contributor score, very welcomingFirst-PR friendly
  • Secure, fast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool…

    6good first issues+5 help wanted
    • Go
    • Field: Databases
    • Field: Machine Learning
    • Stars:42.4K
    • Apache-2.0
    • CONTRIBUTING
    • replies in ~5h
    Score84 out of 100 contributor score, very welcomingFirst-PR friendly

Showing 30 of 208 repos

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