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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 19.4k 1.2k

  2. libunifex libunifex Public

    Unified Executors

    C++ 1.7k 211

  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 1.5k 436

  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 51

  5. MIRAI MIRAI Public archive

    Rust mid-level IR Abstract Interpreter

    Rust 1k 82

  6. reverie reverie Public

    An ergonomic and safe syscall interception framework for Linux.

    Rust 836 44

Repositories

Showing 10 of 51 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 Oct 4, 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 1,411 51 18 (1 issue needs help) 15 Updated Oct 4, 2026
  • reverie Public

    An ergonomic and safe syscall interception framework for Linux.

    facebookexperimental/reverie's past year of commit activity
    Rust 836 44 3 4 Updated Oct 4, 2026
  • llvm-project Public

    Meta-maintained LLVM fork for facebookexperimental/triton, containing channel-specific LLVM and MLIR fixes required to build and release fbtriton. Generally applicable changes are upstreamed to llvm/llvm-project when possible.

    facebookexperimental/llvm-project's past year of commit activity
    LLVM 0 0 0 8 Updated Oct 4, 2026
  • coresmith Public

    CoreSmith is a Prompt to GDS Agentic Flow

    facebookexperimental/coresmith's past year of commit activity
    Python 47 MIT 6 0 9 Updated Oct 3, 2026
  • triton Public

    Github mirror of trition-lang/triton repo.

    facebookexperimental/triton's past year of commit activity
    MLIR 199 MIT 78 19 255 Updated Oct 3, 2026
  • edencommon Public

    Shared library for Watchman and Eden projects.

    facebookexperimental/edencommon's past year of commit activity
    C++ 13 MIT 20 4 1 Updated Oct 3, 2026
  • moxygen Public

    C++ implementation of Media over QUIC Transport (MoQT) — library, relay, samples, and interop tooling.

    facebookexperimental/moxygen's past year of commit activity
    C++ 114 Apache-2.0 37 20 6 Updated Oct 3, 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 147 Apache-2.0 48 1 3 Updated Oct 3, 2026
  • dapper Public

    Give AI agents access to debugging sessions through the Model Context Protocol (MCP) that is uniform and consistent across different programming languages and environments.

    facebookexperimental/dapper's past year of commit activity
    Rust 14 MIT 2 0 1 Updated Oct 2, 2026
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