The Ruby Programming Language

A Python Interpreter written in Rust

A lightweight WebAssembly runtime that is fast, secure, and standards-compliant

CoreCLR is the runtime for .NET Core. It includes the garbage collector, JIT compiler, primitive data types and low-level classes.

Mono open source ECMA CLI, C# and .NET implementation.

A blazingly fast JSON serializing & deserializing library

Enso Analytics is a self-service data prep and analysis platform designed for data teams.

WebAssembly Micro Runtime (WAMR)

FlashInfer: Kernel Library for LLM Serving

Low-latency machine code generation

A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.

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.

Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.

The native Clojure dialect hosted on LLVM with seamless C++ interop.

It's a New Kind of Wrapper for Exposing LLVM (Safely)

Unofficial mirror of mob development branch

Multi-dimensional arrays (tensors) and numerical definitions for Elixir

.NET Platform Architecture book (English, Chinese, Russian)

Cranelift code generator

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