Empowering everyone to build reliable and efficient software.

Build smaller, faster, and more secure desktop and mobile applications with a web frontend.

A modern runtime for JavaScript and TypeScript.

🌴 Empowering everyone to build reliable and efficient smart contracts.

Fullstack app framework for web, desktop, and mobile.

🚀 Fast, secure, lightweight containers based on WebAssembly

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

A Rust compiler front-end for IDEs

CUDA on non-NVIDIA GPUs

Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.

Sccache is a ccache-like tool. It is used as a compiler wrapper and avoids compilation when possible. Sccache has the capability to utilize caching in remote storage environments, including various cloud storage options, or alternatively, in local storage.

Run any process, on your machine or in an AI agent's environment, as if it were a pod in your Kubernetes cluster: real env vars, DNS, network, traffic.

⚓ Solana Program Framework

Build Postgres Extensions with Rust!

Aya is an eBPF library for the Rust programming language, built with a focus on developer experience and operability.

Build system, successor to Buck

A very fast linker for Linux

🐉 Making Rust a first-class language and ecosystem for GPU shaders 🚧

A code coverage tool for Rust projects

A debugging toolset and library for debugging embedded ARM and RISC-V targets on a separate host

cuda-oxide is an experimental Rust-to-CUDA compiler that lets you write (SIMT) GPU kernels in safe(ish), idiomatic Rust. It compiles standard Rust code directly to PTX — no DSLs, no foreign language bindings, just Rust.

A security-focused library OS supporting kernel- and user-mode execution

Advanced Fuzzing Library - Slot your Fuzzer together in Rust! Scales across cores and machines. For Windows, Android, MacOS, Linux, no_std, ...

Rust reflection, serialization, deserialization, pretty printing, etc. — the last proc macro you should need

Cranelift based backend for rustc

no_std Hardware Abstraction Layers for ESP32 microcontrollers

RustSec API & Tooling

Home of OpenVMM and OpenHCL

Internet Computer blockchain source: the client/replica software run by nodes

SP1 is a zero‑knowledge virtual machine that proves the correct execution of programs compiled for the RISC-V architecture.

Source code of Ferrocene, safety-critical Rust toolchain

A Rust CPU profiler implemented with the help of backtrace-rs

Quickly find bottlenecks in Rust - one profiler for CPU, time, memory, and async code.

The Rust Playground

[Acquired by The Guild] The Grafbase GraphQL Federation Gateway

Efficient, deferred formatting for logging on embedded systems

libgccjit AOT codegen for rustc

MOROS: Obscure Rust Operating System 🦉

The CLI for codemods: scaffold, share, and run multi-step transformations of any size. First-class ast-grep support. Fast, reliable, polyglot.

The simplest and most extensible zkVM. Fast and fully open source from a16z crypto and friends. ⚡

A Tool to make Build and Run eBPF programs easier

An ergonomic and safe syscall interception framework for Linux.

Serial flasher utility for Espressif SoCs and modules based on esptool.py

Website for graphing performance of rustc

hyperlight-wasm is a rust library crate that enables Wasm Modules and components to be run inside lightweight Virtual Machine backed Sandbox. It is built on top of Hyperlight.

A high-performance multi-language bindings generator for Rust, up to 1,000x faster than UniFFI. Ship Rust libraries that feels native to Swift, Kotlin, and more

Experimental WASM Microkernel Operating System

Backtraces in Rust

Fast Open Source command line (vrc-get) and graphical (ALCOM) client of VRChat Package Manager (VRChat Creator Companion)

Rust implementations of compiler-rt and libm

Core POSIX command line utilities in safe Rust

Adds zero-cost stack overflow protection to your embedded programs

Rust-based Command Line Tool for WCH MCU USB-ISP Programming

Snapshotable WebAssembly interpreter from scratch. Includes a time travel debugger

Pyroscope Profiler for Rust. Profile your Rust applications.

A no_std-friendly ELF loader and runtime linker for Rust

Embed custom RO data into precompiled executables

Next Generation Machine Learning, Statistics and Deep Learning in PURE Rust

yk packages

Datadog shared rust-based library. For now only used in other products (e.g. Ruby or PHP libraries).

Assignments of Stanford CS110L-2020spr: Safety in Systems Programming

Intercepts cargo/gcc builds from AI coding agents via hooks and transparently routes them to remote worker machines, returning artifacts as if compiled locally

WebAssembly sourcemap generator and WASM binary source mapping url section patcher

An integrated os-level crates repository for operating system and virtualization development

The most peculiar std you have ever seen

Rust scanner for ScanCode-compatible workflows, licenses, package metadata, SBOMs, and provenance data.

A profiling and tracing system for Embedded Rust that visualizes Embassy tasks, function calls, metrics and defmt logs in the Perfetto UI.

A small experimental microkernel for embedded systems

Researching next-gen blockchain architecture (as of 2026) to achieve ultimate scalability in permissionless setting and fully resolve Blockchain Trilemma