Lib.rs

libc

Raw FFI bindings to platform libraries like libc

napi

N-API bindings

num_enum

Procedural macros to make inter-operation between primitives and enums easier

bindgen

Automatically generates Rust FFI bindings to C and C++ libraries

uniffi

a multi-language bindings generator for rust

duckdb

Ergonomic wrapper for DuckDB

linux-raw-sys

Generated bindings for Linux's userspace API

ustr

Fast, FFI-friendly string interning

gobject-sys

FFI bindings to libgobject-2.0

winapi

Raw FFI bindings for all of Windows API

libffi

Rust bindings for libffi

csbindgen

Generate C# FFI from Rust for automatically brings native code and C native library to .NET and Unity

triomphe

A fork of std::sync::Arc with some extra functionality and without weak references (originally servo_arc)

safer-ffi

Write safer FFI code in Rust without polluting it with unsafe code

swift-bridge

Generate FFI bindings for safe interop between Rust and Swift

icu_capi

C interface to ICU4X

pyo3-build-config

Build configuration for the PyO3 ecosystem

napi-build

N-API build support

cxx-build

C++ code generator for integrating cxx crate into a Cargo build

abi_stable

For doing Rust-to-Rust ffi,writing libraries loaded at program startup

libduckdb-sys

Native bindings to the libduckdb library, C API

ruby-prism

Rustified version of Ruby's prism parsing library

webrtc-audio-processing

A wrapper for WebRTC's AudioProcessing module

gio-sys

FFI bindings to libgio-2.0

crux_core

Cross-platform app development in Rust

cxx-gen

C++ code generator for integrating cxx crate into higher level tools

tarantool

bindings

ntapi

FFI bindings for Native API

cpp

Inline C++ code closures

android_log-sys

FFI bindings to Android log Library

libpulse-sys

FFI bindings for the PulseAudio libpulse system library

bindgen-cli

Automatically generates Rust FFI bindings to C and C++ libraries

ocaml

bindings for Rust

torch-sys

Low-level FFI bindings for the PyTorch C++ api (libtorch)

rust2go

main shared library

cxxbridge-cmd

C++ code generator for integrating cxx crate into a non-Cargo build

va_list

'va_list' type for a small set of ABIs. Allowing rust implementations of functions like vprintf.

odbc-sys

ODBC ffi bindings

sibyl

An OCI-based (synchronous or asynchronous) interface between Rust applications and Oracle databases

glib-sys

FFI bindings to libglib-2.0

ocaml-interop

OCaml interoperability

cxx-async

interoperability between C++ coroutines and asynchronous Rust

rubicon

Deduplicate globals across shared objects to enable a dangerous form of dynamic linking

freetype-sys

Low level binding for FreeType font library

rusty_ffmpeg

that provides Rust bindings for FFmpeg

closure-ffi

FFI utility for creating bare function pointers that invoke a closure

pango-sys

FFI bindings to libpango-1.0

syscall-numbers

System calls numbers for various architectures

crux_http

HTTP capability for use with crux_core

gtk4-sys

FFI bindings of GTK 4

jni-simple

binding for JNI (Java Native Interface) and JVMTI (JVM Tool Interface)

uniffi_meta

ffi-convert

A collection of utilities to ease conversion between Rust and C-compatible data structures

diplomat

FFI generation macro

buffi

generate ergonomic, buffer-based C++ APIs

gmp-mpfr-sys

Rust FFI bindings for GMP, MPFR and MPC

sync-ptr

Sync & Send wrappers for raw pointer's and function pointers in rust

kuzu

An in-process property graph database management system built for query speed and scalability

cairo-sys-rs

FFI bindings to libcairo

moveit

safe, in-place construction of Rust (and C++!) objects

gdk-pixbuf-sys

FFI bindings to libgdk_pixbuf-2.0

allo-isolate

Run Multithreaded Rust along with Dart VM (in isolate)

uniffi_build

a multi-language bindings generator for rust (build script helpers)

gdk4-sys

FFI bindings of GDK 4

cypherlite-ffi

C ABI foreign function interface bindings for CypherLite graph database

priv_sep

FFI for chroot(2), pledge(2), setgroups(2), setresgid(2), setresuid(2), and unveil(2)

security-framework-sys

Apple Security.framework low-level FFI bindings

diplomat-runtime

Common runtime utilities used by diplomat codegen

ohos-sys

Bindings to the native API of OpenHarmony OS

plain

A small Rust library that allows users to reinterpret data of certain types safely

pact_ffi

Pact interface for foreign languages

enough

Minimal cooperative cancellation trait for long-running operations

cel-cxx

A high-performance, type-safe Rust interface for Common Expression Language (CEL), build on top of cel-cpp with zero-cost FFI bindings via cxx

ustr-fxhash

Fast, FFI-friendly string interning

librocksdb-sys

Native bindings to librocksdb

metacall

Call NodeJS, TypeScript, Python, C#, Ruby... functions from Rust (a Rust Port for MetaCall).

cuenv

Event-driven CLI with inline TUI for cuenv

cargo-mercury

Automatically generate PureScript types and Argonaut codecs from Rust

graphene-sys

FFI bindings to libgraphene-1.0

vulkane

Vulkan API bindings generated entirely from vk.xml, with a complete safe RAII wrapper covering compute and graphics: instance/device/queue, buffer, image, sampler, render pass, framebuffer…

dart-sys

Statically generated, Opt-in style bindings to the Dart SDK

gphoto2

High-level wrapper for libgphoto2

crux_kv

Key-Value capability for use with crux_core

bliss-audio-aubio-rs

aubio-rs for bliss' internal use

napi-derive

N-API procedural macros

conan2

Pulls the C/C++ library linking flags from Conan dependencies

worker-sys

Low-level extern definitions / FFI bindings to the Cloudflare Workers JS Runtime

cimpl

C implementations from Rust - FFI utilities and macros for creating safe, ergonomic C bindings

wdk

Safe idiomatic bindings to APIs available in the Windows Development Kit (WDK)

sea-orm-ffi

Compatibility layer for Sea-ORM when crossing a Rust-to-Rust FFI boundary

spiceai_duckdb_fork

Ergonomic wrapper for DuckDB - forked from duckdb-rs to add support for duckdb_scan_arrow

rstsr-kml-ffi

Huawei Kunpeng Math Library FFI bindings

z3-sys

Low-level bindings for the Z3 SMT solver from Microsoft Research

fugue-ustr

Fast, FFI-friendly string interning

napi-sys-ohos

Harmony N-API raw binding

raw-parts

Ergonomic wrapper around Vec::from_raw_parts and Vec::into_raw_parts

memlink-runtime

Dynamic module loading framework with circuit breaker, caching, pooling, health checks, versioning, and auto-discovery

napi-sys

NodeJS N-API raw binding

uniffi_pipeline

a multi-language bindings generator for rust (codegen and cli tooling)

foreign

Conversion between foreign and Rust types

libffi-sys

Raw Rust bindings for libffi

jnix

High-level extensions to help with the usage of JNI in Rust code

cpp_build

Cargo build script for the cpp crate

rstsr-openblas-ffi

OpenBLAS FFI bindings

gstreamer-sys

FFI bindings to libgstreamer-1.0

tarnish

Process isolation library with automatic panic recovery for running untrusted Rust code

tiny-std

Tiny rust stdlib for linux

imbuf

Image buffers that abstract over underlying storage (Vec, Arc, or custom backends). Features copy-on-write semantics for efficient memory usage.

moveit2

safe, in-place construction of Rust (and C++!) objects

rsfbclient

Binds to official firebird client lib

libR-sys

Low level bindings to the R programming language

rustbridge-cli

Build tool and code generator for rustbridge

crux_time

Time capability for use with crux_core

value-box

Allows developers to pass Rust-allocated structures over ffi

icu_freertos

C interface to ICU4X

tracehash-rs

Cross-language call/input/output hash tracing for algorithm parity checks

emacs

creating Emacs's dynamic modules

parasail-rs

Rust bindings and wrapper for parasail, a SIMD C library for pairwise sequence alignment

uniffi_udl

udl parsing for the uniffi project

rstsr-blis-ffi

BLIS and FLAME FFI bindings

librna-sys

Low-level bindings for the ViennaRNA library

valhalla

Rust bindings for Valhalla routing engine

fatoora-ffi

C ABI bindings for the fatoora ZATCA SDK

rstsr-mkl-ffi

Intel oneAPI MKL FFI bindings

bindgen_helpers

rename, change case, and fix Rust code generated by bindgen from C headers

rustfst-ffi

constructing, combining, optimizing, and searching weighted finite-state transducers (FSTs). Rustfst-ffi provides C interfaces of the Rust library

rpi-imgpatcher

customize Raspberry Pi OS images by patching the boot partition without mounting or rebuilding the system

citrus

C to Rust syntax converter

rstsr-lapack-ffi

Netlib LAPACK FFI bindings

rocks

RocksDB bindings for Rust

tracen_dsl

Tracen: generic DSL/IR/runtime/codegen core for event-based trackers

secp256k1-sys

FFI for Pieter Wuille’s libsecp256k1 library

gettext-sys

Raw FFI bindings for gettext

harfbuzz_rs

A high-level interface to HarfBuzz, exposing its most important functionality in a safe manner using Rust

napi-derive-ohos

N-API procedural macros

windivert

Wrapper library around windivert-sys

smartcols-sys

Unsafe Rust bindings for libsmartcols

amffi

Rust bindings to Advanced Media Framework

ohos-window-manager-sys

Raw Bindings to the window_manager API of OpenHarmony

photostax-ffi

C FFI bindings for the photostax-core library

uniffi-runtime-javascript

Javascript runtime for UniFFI-generated bindings

cuenv-ci

Context-aware CI pipeline execution for cuenv

rust2go-common

Rust2go common library

tblis

wrapper in Rust

seasick

Tools for implementing and transcribing C APIs

memlink-protocol

Binary protocol definitions for MemLink IPC - fixed headers, magic constants, and error types

sanitizers

Interfaces and FFI bindings for the sanitizers interfaces

rstsr-aocl-ffi

Intel AMD Optimizing CPU Libraries FFI bindings

poppler-sys-rs

Low-level (FFI) bindings for poppler-glib

lib60870

Safe Rust bindings to lib60870-C, an IEC 60870-5-101/104 protocol implementation

c8str

String types that are both utf-8 and null terminated

printf-wrap

Types and functions for safely wrapping C functions with printf(3)-style format strings and varargs

diplomat-tool

generating FFI bindings for various languages

tasker-worker

Worker foundation system for multi-language step execution

arcdps

Rust bindings for the Guild Wars 2 dps-meter with focus on ease-of-use and performance

rtpx

Safe Rust bindings for CTP (Comprehensive Transaction Platform) and its variations for Chinese financial markets

weaveffi-cli

Command-line tool for generating multi-language FFI bindings from API definitions

ghci

Manage and communicate with ghci (Haskell's GHC interpreter)

wdk-sys

Direct bindings to APIs available in the Windows Development Kit (WDK)

cargo-omnibus

A thin wrapper around Cargo that generates an omnibus crate bundling multiple Rust libraries

ffi_helpers

help make working with FFI easier

tracen_engine

Tracen: generic DSL/IR/runtime/codegen core for event-based trackers

lbug

An in-process property graph database management system built for query speed and scalability

flowscripter_template_bun_rust_library

Project template for a Rust library with Bun FFI bindings

rod-rs

A high-performance, cross-platform schema validation library powered by Rust

tracen_eval

Tracen: generic DSL/IR/runtime/codegen core for event-based trackers

duckdb-loadable-macros

Native bindings to the libduckdb library, C API; build loadable extensions

cuenv-workspaces

Workspace and dependency resolution for cuenv across multiple package managers

drm-ffi

Safe, low-level bindings to the Direct Rendering Manager API

directcpp

Direct call cpp from Rust

pwd

Safe interface to pwd.h

libbsd-sys

Raw FFI bindings to libbsd

skynet_api

API for Skynet plugin

interoptopus_backend_csharp

Generates C# bindings

tracen_analytics

Tracen: generic DSL/IR/runtime/codegen core for event-based trackers

interoptopus_backend_utils

backend authors

tracen_export

Tracen: generic DSL/IR/runtime/codegen core for event-based trackers

ohos-window-sys

Raw Bindings to the OpenHarmony native window

cuenv-secrets

Secret resolution and management for the cuenv ecosystem

prebindgen

Separate FFI implementation and language-specific binding into different crates

tensogram-ffi

C FFI bindings for the Tensogram N-tensor message format library

windows_firewall

managing Windows Firewall rules and settings

cuenv-task-graph

Task graph DAG algorithms and dependency resolution for cuenv

input-event-codes

Linux input event codes form linux/input_event_codes.h

worker-rapid

SDK for writing Cloudflare Workers

async-ffi

FFI-compatible Futures

zero_copy_env

Zero-copy environment variable access via OS memory (FFI/libc)

rust2go-convert

Rust2go convertion related

almost-enough

Batteries-included ergonomic extensions for the enough cooperative cancellation crate

interoptopus_backend_cpython

Generates CPython bindings

vtable-rs

Set of traits and macros to help dealing with C++ virtual method FFI

liter-llm-ffi

C FFI bindings for liter-llm — universal LLM API client with 142+ providers. Rust-powered.

cblas-inject

CBLAS compatible interface backed by runtime-registered Fortran BLAS function pointers

libcdio-sys

Native bindings to the libcdio (and libcdio-paranoia) library

libftd2xx-ffi

Rust FFI bindings to the FTDI D2XX drivers

tracen_catalog

Tracen: generic DSL/IR/runtime/codegen core for event-based trackers

cstr-argument

A trait for converting function arguments to null terminated strings

elysees

A fork of triomphe, now with more pointer trickery

hexa-tune-proto-ffi

hexaTune FFI adapter — C ABI functions for Flutter/Dart integration

cuenv-github

GitHub provider implementations for cuenv

libnghttp2

FFI bindings to the HTTP/2 framing layer of nghttp2 C library

opaque-pointer

Generic functions to work with opaque pointers when use FFI to expose Rust structs

tracen_pack

Build-time pack integration and generic pack runtime for tracker DSL packs

rustbridge-bundle

Plugin bundle format for rustbridge

gsk4-sys

FFI bindings of GSK 4

max-sys

Raw FFI bindings to the Modular MAX C API (generated by bindgen)

hai-binding-core

Shared binding core for HAI SDK FFI (Python, Node, Go)

agentic-veritas-ffi

FFI bindings for AgenticVeritas

libspa-sys

Rust FFI bindings for libspa

libpulse-simple-sys

FFI bindings for the PulseAudio libpulse-simple system library

intel-mkl-sys

Rust binding of unique functions in Intel(R) MKL

cuenv-cache

Content-addressed task caching for cuenv

renderdoc-sys

Low-level bindings to the RenderDoc API

app-memory-usage-fetcher

Query a supported operating system to get the amount of memory used by the current Rust application

autocxx-bindgen

Automatically generates Rust FFI bindings to C and C++ libraries. Version adjusted for autocxx.

xcb-rust-protocol

Rust x11 connection interface layer

ext-php-rs-build

Build-time PHP detection utilities for ext-php-rs

cuenv-buildkite

Buildkite CI emitter and provider for cuenv

aprilasr

High-level wrapper for the april-asr C api (libaprilasr) using aprilasr-sys

kittymemory-rs

Rust bindings for KittyMemory - A memory manipulation library for Android and iOS

libcplusplus

A no_std reimplementation of LLVM's libc++ in Rust with ABI-compatible C++ standard library types and a built-in memory sanitizer

netbird-embed

Rust bindings for NetBird's client/embed via Go C-shared FFI

webrtc-audio-processing-config

WebRTC's AudioProcessing config wrapper structs for webrtc-audio-processing

hi-ffi

Procedural macro that automatically generates FFI for C++, Python and Swift

boltffi_bindgen

Code generation library for BoltFFI - generates Swift, Kotlin, and TypeScript bindings

leveldb-sys

FFI bindings to LevelDB

lv2_raw

Exposes the raw LV2 interface (C) to Rust. Also attempts to implement some idiomatic Rust concepts (e.g. iterators).

epicinium_lib

Rust bindings for libepicinium, the game logic library of the strategy game Epicinium

cuenv-hooks

Hook execution system for cuenv environments

rigetti-pyo3

creating a Python wrapper for a Rust library

sensors-sys

Hardware monitoring in Linux

netcdf-sys

FFI bindings to NetCDF

cuenv-codegen

CUE-based code generation and project scaffolding from CUE templates

cpp_common

details crate for the cpp crate

xcb-rust-connection

Rust x11 connection interface layer

xelf

A versatile Rust toolkit for self-use

g2d-sys

Low-level FFI bindings for NXP i.MX G2D 2D graphics accelerator

gobley-uniffi-bindgen

A UniFFI Kotlin Multiplatform bindings generator for Rust

microsoft-webui-ffi

Core FFI bindings for WebUI framework