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An on-device debugger/JIT enabler for iOS versions 17.4+, powered by idevice.

Composable transformations of Python+NumPy programs: differentiate, vectorize, JIT to GPU/TPU, and more

x86 PC emulator and x86-to-wasm JIT, running in the browser

A lightweight library for xPU kernel JIT compilation

Run arm64 macOS apps on Intel Macs: a reverse-Rosetta emulator (interpreter + x86-64 JIT + AOT cache) with a Metal bridge to the host GPU

A native ahead-of-time (AOT) and JIT compiler for TypeScript, built on LLVM/MLIR. It compiles .ts files directly to native executables, WebAssembly, or runs them on the fly via a built-in JIT — no Node.js or JavaScript runtime required.

A JIT assembler for x86/x64 architectures supporting FPU, MMX, SSE (1-4), AVX (1-2, 512), APX, and AVX10.2

A VM with adaptive optimization and JIT compilation, built for Rakudo

Probabilistic programming with NumPy powered by JAX for autograd and JIT compilation to GPU/TPU/CPU.

Jittor is a high-performance deep learning framework based on JIT compiling and meta-operators.

Dr.Jit — A Just-In-Time-Compiler for Differentiable Rendering

This is Meta's fork of the CPython runtime. The name "cinder" here is historical, see https://github.com/facebookincubator/cinderx for the Python extension / JIT compiler.

Ruby implementation with yet another JIT compiler.

The fastest automatic differentiation library for C++, with Python bindings. Forward, adjoint and higher-order derivatives, checkpointing, Eigen support and JIT. Reproducible benchmarks against CppAD, Adept and autodiff.

Lightweight JIT Compilation Framework

OpenEquivariance: a fast, open-source GPU JIT kernel generator for the Clebsch-Gordon Tensor Product.

The Ballistic JIT Engine: On track to become the worlds fastest ARM recompiler.

Python 3.14, compiled to metal — JIT & AoT native compiler and runtime in Rust. Cranelift backend, ruff parser, Green Tea GC, byte-exact differential testing against CPython.

A from-scratch JavaScript engine in Rust — std only, zero deps, three tiers incl. an ARM64 JIT, 100% test262 (53,400/53,400)

JIT-less relinker and compatibility layer for running Quest/Android XR APKs on visionOS and macOS

JIT-Agent

AI-first Native 3D, CAD & spatial computing. Runtime and JIT compiler for Android (Filament & Jetpack XR), iOS/visionOS (RealityKit), and WebGL2/WebXR.

A native runtime for GTA V’s WebAssembly build, running on iOS, macOS, Android and Windows without JIT compilation.

A self-hosted personal project companion powered by Schway.