PennyLaneAI

    PennyLaneAI/pennylane

    PennyLane is an open-source quantum software platform for quantum computing, quantum machine learning, and quantum chemistry. Create meaningful quantum algorithms, from inspiration to implementation.

    deep-learning
    machine-learning
    autograd
    automatic-differentiation
    cirq
    differentiable-computing
    jax
    Python
    Apache-2.0
    3.5K stars
    891 forks
    3.5K GitHub watchers
    Updated Nov 3, 2026
    View on GitHub

    Build with Backblaze B2

    SDKs, agent skills, IDE extensions, and reference pipelines from Backblaze Labs. All open source.

    Explore Backblaze Labs

    Loading star history...

    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    1 release in the last 90 days, the latest 55 days ago, with 226 contributors on GitHub.

    Gained 35% fewer stars in the last 90 days than in the 90 days before.

    Use Cases & Benefits

    • Provides a Python library for programming quantum computers, quantum machine learning, and quantum chemistry with hybrid quantum-classical workflows.
    • Enables seamless integration with popular ML frameworks and supports hardware and simulator backends for flexible quantum algorithm development.
    • Use for developing and testing quantum machine learning models using PyTorch, TensorFlow, JAX, or Keras interfaces.
    • Use for simulating and optimizing quantum chemistry problems with access to specialized quantum chemistry tools and datasets.
    • Use for building and running quantum circuits on various hardware devices or high-performance simulators with advanced features like mid-circuit measurements.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    Apache 2.0

    Permissive: commercial use, modification and redistribution are allowed with attribution; includes an explicit patent grant from contributors.

    Community files

    • README: present
    • Contributing guide: present
    • Code of conduct: present

    Watch-outs

    No watch-outs from GStars' checks.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    PennyLane is a cross-platform Python library for quantum computing, quantum machine learning, and quantum chemistry.

    The definitive open-source framework for quantum programming. Built by researchers, for research.

    For more details and additional features, please see the PennyLane website.

    Excerpt from the PennyLaneAI/pennylane README on GitHub (Apache-2.0 license). © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Forks

    891+45

    Open issues

    467+29

    Compared with peers in Deep Learning

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 1, by 7-day star growth

    PennyLaneAI/pennylane compared with Deep Learning repositories by stars, 7-day star growth, health score and last release
    RepositoryStars+7dHealthLast release
    onnx/onnx21.6K—6331 days ago
    mlc-ai/web-llm19.3K—5916 days ago
    lukas-blecher/LaTeX-OCR16.6K—18—
    milesial/Pytorch-UNet11.7K—18—
    PennyLaneAI/pennylane3.5K—6255 days ago
    SharpAI/DeepCamera3.1K—31227 days ago
    Category median16.6K—31—

    Discover Repositories

    Search across tracked repositories by name or description