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@facebookexperimental

Meta Experimental

These are Meta projects that are not necessarily used in production but are being developed in the open nevertheless.

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  1. Recoil Recoil Public archive

    Recoil is an experimental state management library for React apps. It provides several capabilities that are difficult to achieve with React alone, while being compatible with the newest features o…

    JavaScript 19.5k 1.2k

  2. libunifex libunifex Public

    Unified Executors

    C++ 1.7k 209

  3. Robyn Robyn Public

    Robyn is an experimental, AI/ML-powered and open sourced Marketing Mix Modeling (MMM) package from Meta Marketing Science. Our mission is to democratise modeling knowledge, inspire the industry thr…

    Jupyter Notebook 1.4k 425

  4. hermit hermit Public

    Hermit launches linux x86_64 programs in a special, hermetically isolated sandbox to control their execution. Hermit translates normal, nondeterministic behavior, into deterministic, repeatable beh…

    Rust 1.4k 47

  5. MIRAI MIRAI Public archive

    Rust mid-level IR Abstract Interpreter

    Rust 1k 83

  6. reverie reverie Public

    An ergonomic and safe syscall interception framework for Linux.

    Rust 825 41

Repositories

Showing 10 of 44 repositories
  • free-threading-benchmarking Public

    Benchmark results for free-threaded builds of Python

    facebookexperimental/free-threading-benchmarking’s past year of commit activity
    28 BSD-3-Clause 5 2 0 Updated Apr 19, 2026
  • rust-shed Public

    Repository containing Rust crates common between other Facebook open source projects (like Mononoke or Eden).

    facebookexperimental/rust-shed’s past year of commit activity
    Rust 145 Apache-2.0 48 1 5 Updated Apr 18, 2026
  • moxygen Public

    Implementation of IETF MOQ protocol

    facebookexperimental/moxygen’s past year of commit activity
    C++ 100 Apache-2.0 25 12 6 Updated Apr 18, 2026
  • edencommon Public

    Shared library for Watchman and Eden projects.

    facebookexperimental/edencommon’s past year of commit activity
    C++ 13 MIT 17 3 0 Updated Apr 18, 2026
  • hermit Public

    Hermit launches linux x86_64 programs in a special, hermetically isolated sandbox to control their execution. Hermit translates normal, nondeterministic behavior, into deterministic, repeatable behavior. This can be used for various applications, including replay-debugging, reproducible artifacts, chaos mode concurrency testing and bug analysis.

    facebookexperimental/hermit’s past year of commit activity
    Rust 1,376 47 21 12 Updated Apr 18, 2026
  • reverie Public

    An ergonomic and safe syscall interception framework for Linux.

    facebookexperimental/reverie’s past year of commit activity
    Rust 825 41 2 1 Updated Apr 18, 2026
  • triton Public

    Github mirror of trition-lang/triton repo.

    facebookexperimental/triton’s past year of commit activity
    MLIR 157 MIT 43 7 100 Updated Apr 18, 2026
  • WMG Public

    Serverless Application Model (SAM) project to deploy a Cloudformation insfrastructure capable of measuring signals in WhatsApp conversations.

    facebookexperimental/WMG’s past year of commit activity
    JavaScript 6 MIT 0 0 5 Updated Apr 15, 2026
  • protoquant Public

    Prototype routines for GPU quantization written using PyTorch.

    facebookexperimental/protoquant’s past year of commit activity
    21 8 0 6 Updated Apr 15, 2026
  • resctl-demo Public

    Demonstrate and benchmark various features of Linux resource control in a self-contained package.

    facebookexperimental/resctl-demo’s past year of commit activity
    Rust 169 Apache-2.0 40 0 9 Updated Apr 14, 2026
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