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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 19.6k 1.2k

  2. libunifex libunifex Public

    Unified Executors

    C++ 1.6k 198

  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 1.3k 407

  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 1.3k 38

  5. MIRAI MIRAI Public archive

    Rust mid-level IR Abstract Interpreter

    Rust 1k 86

  6. reverie reverie Public

    An ergonomic and safe syscall interception framework for Linux.

    Rust 610 31

Repositories

Showing 10 of 43 repositories
  • moq-encoder-player Public

    This project is provides a minimal implementation (inside the browser) of a live video and audio encoder and video / audio player creating and consuming IETF MOQ stream. The goal is to provide a minimal live platform components that helps testing IETF MOQ interop

    facebookexperimental/moq-encoder-player’s past year of commit activity
    HTML 72 MIT 15 0 2 Updated Jul 24, 2025
  • verax Public

    Verax is a composable query optimizer

    facebookexperimental/verax’s past year of commit activity
    C++ 16 Apache-2.0 17 0 19 Updated Jul 24, 2025
  • 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 114 Apache-2.0 42 0 2 Updated Jul 24, 2025
  • edencommon Public

    Shared library for Watchman and Eden projects.

    facebookexperimental/edencommon’s past year of commit activity
    C++ 12 MIT 17 2 6 Updated Jul 24, 2025
  • moxygen Public

    Implementation of IETF MOQ protocol

    facebookexperimental/moxygen’s past year of commit activity
    C++ 61 MIT 15 7 2 Updated Jul 24, 2025
  • 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 1,284 38 20 2 Updated Jul 24, 2025
  • free-threading-benchmarking Public

    Benchmark results for free-threaded builds of Python

    facebookexperimental/free-threading-benchmarking’s past year of commit activity
    26 BSD-3-Clause 4 2 0 Updated Jul 24, 2025
  • triton Public

    Github mirror of trition-lang/triton repo.

    facebookexperimental/triton’s past year of commit activity
    MLIR 48 MIT 16 1 17 Updated Jul 24, 2025
  • kperf Public

    TCP and TLS performance testing tool.

    facebookexperimental/kperf’s past year of commit activity
    C 42 9 3 1 Updated Jul 23, 2025
  • reverie Public

    An ergonomic and safe syscall interception framework for Linux.

    facebookexperimental/reverie’s past year of commit activity
    Rust 610 31 1 0 Updated Jul 23, 2025
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