CATEGORY
API bindings 12,402 crates
Data as of 2026-07-25 (crates.io database dump, timestamp 2026-07-25T02:00:36Z). Source: crates.io · db-dump.tar.gz · methodology & corrections.
workflow-nodeUtilities and curated re-exports for Node.js APIs.118,298MIT OR Apache-2.0
webkit6-sysFFI bindings for WebKit 6.0118,005MIT
jacquardSimple and powerful AT Protocol client library for Rust117,840MPL-2.0
webkit6Rust bindings for WebKit 6.0117,699MIT
jacquard-oauthAT Protocol OAuth 2.1 core types and helpers for Jacquard117,500MPL-2.0
fil-ocl-coreA low-level OpenCL API.117,147MIT/Apache-2.0
fil-oclOpenCL bindings and interfaces for Rust.116,935MIT/Apache-2.0
lightgbm3Rust bindings for LightGBM library116,397MIT
fronteggAn async API client for the Frontegg user management service.115,901Apache-2.0
mistralrs-quantFast, flexible LLM inference.115,553MIT
mistralrs-visionFast, flexible LLM inference.115,136MIT
mistralrs-mcpMCP (Model Context Protocol) client for mistral.rs115,084MIT
mistralrs-audioFast, flexible LLM inference.115,078MIT
mistralrs-coreFast, flexible LLM inference.115,067MIT
libshumate-sysFFI bindings for libshumate115,013MIT
ruma-state-resAn abstraction for Matrix state resolution.114,938MIT
jacquard-axumAxum server helpers for Jacquard114,748MPL-2.0
tame-webpurifySimple Rust client for the WebPurify REST API114,716MIT OR Apache-2.0
libshumateRust bindings for libshumate114,072MIT
nvbit-modelNVIDIA NVBIT models for serialization and deserialization113,733non-standard
rantsAn async NATS client library.113,443MIT OR Apache-2.0
msql-srvBindings for emulating a MySQL/MariaDB server113,136MIT/Apache-2.0
azure_messaging_servicebusRust wrappers around Microsoft Azure REST APIs - Service Bus crate112,542MIT
dust_dds_deriveDerive macro for `DdsType` and other traits from `dust-dds`112,370Apache-2.0
polymarket_client_sdk_v2Polymarket CLOB (Central Limit Order Book) API client SDK112,327MIT
vte4Rust bindings for the VTE Gtk4 library111,801MIT
dust_ddsData Distribution Service (DDS) implementation111,761Apache-2.0
dtzThe DownToZero Cloud SDK111,061MIT OR Apache-2.0
mc-sgx-core-typesRust wrapper for common SGX types.110,566Apache-2.0
feldera-typesPublic API types for Feldera110,490MIT OR Apache-2.0
azure_messaging_eventhubs_checkpointstore_blobAzure Event Hubs checkpoint store implementation using Azure Blob Storage110,009MIT
openat-extExtension methods for the openat crate109,913MIT/Apache-2.0
dropbox-sdkRust bindings to the Dropbox API, generated by Stone from the official spec.109,421Apache-2.0
jsonrpc_clientAn async, macro-driven JSON-RPC client with pluggable backends.109,130MIT OR Apache-2.0
jsonpath-plusA JSONPath implementation in Rust, compliant with the Proposal A specification as well as including
several extensions such as…108,510MIT/Apache-2.0
marine-call-parametersContains CallParameters and SecurityTetralets structures for marine-rs-sdk108,421Apache-2.0
gsdk-codegenCode generation library for the Rust SDK of Gear network108,065GPL-3.0
faktoryAPI bindings for the language-agnostic Faktory work server107,056MIT OR Apache-2.0
apcaA crate for interacting with the Alpaca API.106,736GPL-3.0-or-later
interoptopus_backend_cGenerates C bindings.106,632MIT
cglueFFI safe abstractions for making plugins and C-compatible libraries106,308MIT
varnish-sysA Rust framework for creating Varnish Caching Proxy extensions106,042BSD-3-Clause
webp-animationA high-level Rust wrapper for decoding and encoding WebP animations105,940MIT OR Apache-2.0
wasmer-c-apiWasmer C API library105,807MIT
nvbit-ioNVIDIA NVBIT streaming encoder and decoder implementations using serde105,490non-standard
libsaisBindings to the C library libsais for suffix array construction105,253MIT OR Apache-2.0
workflow-nwFramework layer for NWJS desktop application development.105,207MIT OR Apache-2.0
emacsRust library for creating Emacs's dynamic modules104,888BSD-3-Clause
varnishA Rust framework for creating Varnish Caching Proxy extensions104,778BSD-3-Clause
qmetaobjectExpose rust object to Qt and QML.104,673MIT
orb-billingAn async API client for the Orb billing platform.104,494Apache-2.0
sciter-rsRust bindings for Sciter - Embeddable HTML/CSS/script engine (cross-platform desktop GUI toolkit). Also capable with DirectX /…104,491MIT
dma-heapLinux DMA-Buf Heap Abstraction Library103,974non-standard
obwsThe obws (obvious) remote control library for OBS.103,894MIT
unicorn-engineRust bindings for the Unicorn emulator with utility functions103,774GPL-2.0
gcs-rsyncrsync support for gcs with higher perf than gsutil rsync103,676MIT
evercrypt-sysFFI binding to HACL/Evercrypt103,351MPL-2.0
posix-aclSimple library to interact with POSIX filesystem ACLs103,123MIT
ruma-events-macrosDeprecated: crate merged into ruma-macros103,052MIT
ic-cdk-optimizerWASM Optimizer for the IC CDK (experimental).102,284Apache-2.0
handy-keysCross-platform global keyboard shortcuts library101,557MIT
cglue-genFFI safe code generation for making plugins and C-compatible libraries101,384MIT
sherpa-onnxSafe Rust wrapper for sherpa-onnx speech recognition toolkit101,055Apache-2.0
libopus_sysFFI-Binding to Opus, dynamically or statically linked for Windows and UNIX.100,597MIT
multiversx-sdkSDK for interacting with the MultiversX blockchain100,238MIT
sylvia-deriveFramework for generating trait based CosmWasm smart contracts - derives100,081Apache-2.0
grammers-mtsenderA sender implementation using the Mobile Transport Protocol.99,986MIT OR Apache-2.0
debuginfodA crate for interacting with debuginfod servers.99,870Apache-2.0 OR MIT
tcmalloc-betterA Rust wrapper over Google's TCMalloc memory allocator99,363MIT
googapisThis library generated from Google API using tonic-build.99,285MIT OR Apache-2.0
mimalloc-rspackPerformance and security oriented drop-in allocator99,201MIT
telegram-bot-rawTelegram Bot API types99,101MIT
sylviaFramework for generating trait based CosmWasm smart contracts99,069Apache-2.0
grammers-clientA high level client to interact with Telegram's API.98,901MIT OR Apache-2.0
win-crypto-ngSafe bindings to Windows Cryptography API: Next Generation98,722BSD-3-Clause
workflow-perf-monitorA toolkit designed to be a foundation for applications to monitor their performance.98,490non-standard
lnbits-rsA Rust library for the LNbits API98,478MIT
electrs-librocksdb-sysNative bindings to librocksdb (electrs fork)98,376MIT/Apache-2.0/BSD-3-Clause
nxuiA cross-platform GUI toolkit in Rust98,113MIT
neovim-libmsgpack-rpc neovim client97,333LGPL-3.0
workflow-chromeChrome WASM API bindings.97,309MIT OR Apache-2.0
libtcmalloc-sysSys crate wrapping the tcmalloc allocator96,645MIT
opus2Safe Rust bindings for libopus96,192MIT/Apache-2.0
fluence-sdk-mainRust SDK for applications for the Fluence network95,643Apache-2.0
vapoursynth-sysRust bindings for vapoursynth and vsscript.95,580MIT/Apache-2.0
bzip3BZip3 compression library95,552LGPL-3.0-only
arloaderCommand line application and library for uploading files to Arweave.95,104Apache-2.0
rspack-libmimalloc-sysSys crate wrapping the mimalloc allocator94,694MIT
rouxSimple and (a)synchronous Reddit API wrapper94,580MIT
btlsBoringSSL bindings94,492Apache-2.0
reflectapiReflectAPI is a library for Rust code-first web service API declaration and corresponding clients code generation tools.94,353Apache-2.0
reflectapi-schemaA library for defining and serializing/deserializing ReflectAPI schemas94,304Apache-2.0
soapysdrLibrary wrapping SoapySDR, a hardware abstraction layer for many software defined radio devices,
including rtl-sdr, HackRF, USRP,…94,137BSL-1.0 OR Apache-2.0
slack-morphism-modelsSlack Morphism Models94,043Apache-2.0
reflectapi-deriveDerive macros for reflectapi93,940Apache-2.0
chatgpt_rsChatGPT API Wrapper93,692MIT
mistralrsFast, flexible LLM inference.92,848MIT
mistralrs-macrosProc macros for mistral.rs tool definitions92,785MIT
system-infoLibrary to get system information92,511BSL-1.0
runtime[deprecated] Empowering everyone to build asynchronous software.92,064MIT OR Apache-2.0
gsdkRust SDK of the Gear network91,884GPL-3.0
nbdkitRust bindings to the NBDKit framework for creating Network Block Device servers91,837BSD-2-Clause
arm-ffaArm Firmware Framework for Arm A-profile support library91,599MIT OR Apache-2.0
substreams-database-changeSubstreams database change containg helpers91,526Apache-2.0
kreuzberg-pdfium-renderHigh-level idiomatic Rust wrapper around Pdfium. Fork of pdfium-render with Kreuzberg patches.91,426MIT
rsiotКомпоненты для построения системы сбора, обработки и визуализации данных91,097MIT OR Apache-2.0
aliyun-oss-clientan aliyun oss client91,027MIT
azure_sdk_coreRust wrappers around Microsoft Azure REST APIs - Core crate90,877Apache-2.0
mc-sgx-dcap-typesRust wrapper for common DCAP types.90,608Apache-2.0
tracel-ashVulkan bindings for Rust90,472MIT OR Apache-2.0
longbridgeLongbridge OpenAPI SDK for Rust89,704MIT OR Apache-2.0
sd-listen-fdsMinimal, pure-rust helper to accept file descriptors from systemd89,123MIT OR Apache-2.0
ockam-ffiFFI layer for ockam_vault.88,987Apache-2.0
s3A lean, modern, unofficial S3-compatible client for Rust.88,553MIT
asserhttpFluent http response assertions88,549Apache-2.0
gstreamer-tag-sysFFI bindings to libgsttag-1.087,751MIT
vapoursynthSafe Rust wrapper for VapourSynth and VSScript.87,679MIT/Apache-2.0
azure_storage_datalakeAzure Data Lake Storage Gen2 crate from the Azure SDK for Rust87,623MIT
libbzip3-sysFFI bindings to libbzip387,034LGPL-3.0-only
cglue-macroFFI safe code generation macros for making plugins and C-compatible libraries87,006MIT
chrome-sysRaw wasm_bindgen bindings for the Chrome Browser Extension API.86,869Apache-2.0 OR MIT
kcr_velero_ioKubernetes Custom Resource Bindings86,8500BSD
mediawikiA MediaWiki client library86,627MIT OR Apache-2.0
fluenceFluence backend SDK for developing backend applications for the Fluence network86,310Apache-2.0
niri-ipcTypes and helpers for interfacing with the niri Wayland compositor.85,133GPL-3.0-or-later
db-keystoreEncrypted SQLite credential store for the `keyring-core` API, backed by turso84,926MIT or Apache-2.0
spaceapiSpaceAPI types and serialization/deserialization.84,685MIT OR Apache-2.0
libspeedb-sysNative bindings to libspeedb84,326MIT/Apache-2.0/BSD-3-Clause
azure_data_cosmos_driverCore implementation layer for Azure Cosmos DB - provides transport, routing, and protocol handling for cross-language SDK reuse83,957MIT
blockfrostA Rust SDK for Blockfrost.io API83,547Apache-2.0
nw-sysRaw wasm_bindgen bindings for the NWJS API.83,224Apache-2.0 OR MIT
valkey-moduleA toolkit for building valkey modules in Rust83,093BSD-3-Clause
mangadex-apiSDK for the MangaDex API82,987MIT OR Apache-2.0
debbugsDebian Bugtracking System API client82,684Apache-2.0
kcr_kafka_strimzi_ioKubernetes Custom Resource Bindings82,5670BSD
coc-rsA Rust crate wrapper around the Clash of Clans public API82,233MIT
heim-deriveDerive macros for heim crates81,651Apache-2.0 OR MIT
runtime-attributesProc Macro attributes for the Runtime crate.81,634MIT OR Apache-2.0
terra-rust-apiTerra Rust API81,499Apache-2.0
ferrisetwBasically a KrabsETW rip-off written in Rust80,993MIT OR Apache-2.0
pam-clientApplication API wrapper to Pluggable Authentication Modules (PAM)80,510MPL-2.0
pylon-cxxRust wrapper of the Pylon libraries for Basler cameras80,318MIT OR Apache-2.0
inputbotCross-platform (Windows & Linux) library for simulating keyboard/mouse input events and registering global input device event…80,091MIT
kcr_core_strimzi_ioKubernetes Custom Resource Bindings79,8380BSD
valkey-module-macros-internalsA macros crate for valkeymodule-rs79,587BSD-3-Clause
azure_storage_queueMicrosoft Azure Queue client library for Rust79,570MIT
marine-test-macro-implImplementation of the `#[marine_test]` macro79,237Apache-2.0
marine-test-macroDefinition of the `#[marine_test]` macro79,127Apache-2.0
nvbit-rsIdiomatic library for using the NVIDIA NVBIT binary instrumentation library78,912non-standard
runtime-rawTraits to implement custom Runtimes.78,565MIT OR Apache-2.0
bodhibodhi REST API client78,503MIT OR Apache-2.0
wallpaperGets and sets the desktop wallpaper/background.78,190Unlicense
eventstore-macrosExtra EventStoreDB gRPC client internal code generation features77,944MIT
asimov-sdkASIMOV Software Development Kit (SDK) for Rust77,554Unlicense
quil-pyPython bindings for quil-rs77,471Apache-2.0
autopilotA simple, cross-platform GUI automation library for Rust.77,460MIT OR Apache-2.0
rtsharkA Rust interface for TShark77,394MIT OR Apache-2.0
runtime-nativeA cross-platform asynchronous runtime77,392MIT OR Apache-2.0
iam-rsComplete Rust library for parsing, validating, and evaluating IAM policies. Provider-agnostic authorization engine with full AWS…77,184MIT
robusta-codegenProcedural macro crate to support `robusta`77,093MIT
fluence-sdk-macroDefinition of the `#[fce]` macro76,835Apache-2.0
roboatA high performance interface for the Roblox API.76,816MIT
fluvio-smartengineThe official Fluvio SmartEngine76,278Apache-2.0
libgpiodlibgpiod wrappers76,244Apache-2.0 OR BSD-3-Clause
cxx-qtSafe interop between Rust and Qt76,148MIT OR Apache-2.0
longportLongport OpenAPI SDK for Rust76,147MIT OR Apache-2.0
cocaineCocaine Framework Rust76,045MIT
eruptVulkan API bindings75,996Zlib
cloud-metadataMinimal Rust crate for fetching custom instance metadata from AWS, GCP, and Azure VMs75,957MIT OR Apache-2.0
pmcpHigh-quality Rust SDK for Model Context Protocol (MCP) with full TypeScript SDK compatibility75,786MIT
valkey-module-macrosA macros crate for valkeymodule-rs75,727BSD-3-Clause
zebra-scriptZebra script verification wrapping zcashd's zcash_script library75,606MIT OR Apache-2.0
clingoRust idiomatic bindings to the clingo library75,334MIT
astarte-device-sdkA library that provides communication and pairing primitives to an Astarte Cluster75,117Apache-2.0
reqxRust HTTP transport client for API SDK libraries with retry, timeout, idempotency, proxy, and pluggable TLS backends75,007MIT
varnish-macrosA Rust framework for creating Varnish Caching Proxy extensions74,992BSD-3-Clause
expo_push_notification_clientExpo Push Notification Client for Rust74,936MIT OR Apache-2.0
reflectapi-cliCLI for reflectapi74,920Apache-2.0
robusta_jniEasy interop between Rust and Java74,910MIT
stytchStytch Rust client74,848MIT
anthropic-sdkAnthropic Rust SDK.74,802MIT
coinbase-pro-rsCoinbase pro client for Rust74,584MIT/Apache-2.0
astarte-device-sdk-deriveDerive macros implementation used by Astarte Device SDK74,373Apache-2.0
slack-morphism-hyperSlack Morphism Hyper/Tokio support library74,035Apache-2.0
bitbox-apiA library to interact with BitBox hardware wallets73,649Apache-2.0
racetimeracetime.gg category bot library73,593MIT
gostdgostd is the go standard library implementation in rust. gostd 是Go标准库的rust实现73,323MIT
greentic-interfacesGreentic ABI: WIT contracts, generated bindings, thin mappers73,255MIT
scryfallA wrapper around the scryfall magic the gathering api73,048MIT
webgl_generatorCode generators for creating bindings to the WebGL APIs.72,989Apache-2.0
stripe-rustAPI bindings for the Stripe HTTP API72,831MIT OR Apache-2.0
ffsend-apiA fully featured Firefox Send API client.72,532MIT
octocrateA comprehensive GitHub REST API library based on Rust.72,426MIT
rsiot-modbus-clientОпрос устройств Modbus, используя библиотеку tokio-modbus72,365MIT OR Apache-2.0
lzfse-sysCrate to build the LZFSE reference implementation for lzfse-rs.72,165MIT
marine-rs-sdk-testBackend SDK that allows testing modules for the Marine runtime71,946Apache-2.0
gfas-apiSync GitHub followings to followers71,673Unlicense
jemallocator-globalSets `jemalloc` as the `#[global_allocator]`71,463MIT/Apache-2.0
gfas-cliSync GitHub followings to followers71,241Unlicense
netcorehostA Rust library for hosting the .NET Core runtime.71,198MIT