CATEGORY

Asynchronous 9,790 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.

citadel_cryptHigher-level cryptographic library for the Citadel Protocol15,999MIT OR Apache-2.0AsynchronousCryptography peace_code_genCode generation macros for the peace automation framework.15,984MIT OR Apache-2.0AsynchronousConfiguration backdropDrop your large or complex objects in the background with Backdrop! (later, on another thread, or both! Fully customizable! Tokio…15,972MITAsynchronousData structures melodium-loaderLoading engine for Mélodium, with dependency resolution and retrieval15,948EUPL-1.2AsynchronousCompilers async-usercallsAn interface for asynchronous usercalls in SGX enclaves. This is an SGX-only crate, you should compile it with the…15,941MPL-2.0Asynchronous flows-pubsubBuilding blocks for flow-based publish/subscribe.15,933UnlicenseAsynchronousConcurrency libp2prs-multiaddrImplementation of the multiaddr format15,927MITAsynchronousNetwork programming httpbinA httpbin reimplementation in rust. Works as a library and as a standalone webserver binary. (not affiliated to the original…15,920MIT/Apache-2.0AsynchronousCommand line utilities libp2p-perflibp2p perf protocol implementation15,920MITAsynchronousNetwork programming axiomImplements a highly-scalable and ergonomic actor system for Rust based on the best of Erlang / Elixir and Akka.15,897Apache-2.0AsynchronousConcurrency yew-interopuse javascript and css asynchrously in yew15,872MITAPI bindingsAsynchronous peace_params_deriveParams derive macro for for the peace automation framework.15,862MIT OR Apache-2.0AsynchronousConfiguration aldrin-brokerBroker library of Aldrin, a message bus for service-oriented RPC and interprocess communication.15,855MIT OR Apache-2.0AsynchronousNetwork programming zino-storageFiles and storage services for zino.15,836MITAsynchronousNetwork programming baswsA simple async WebSocket client/server framework15,781MITAsynchronousNetwork programming freya-devtoolsDevtools Server for Freya15,773MITAsynchronousGUI open-ai-rust-responses-by-sshiftA feature-rich, async-first Rust wrapper for the OpenAI Responses API, with built-in support for streaming, function calling,…15,764MITAPI bindingsAsynchronous tokio-socketcan-isotpA asynchronous tokio ISO-TP library build on top of socketcan-isotp.15,755non-standardAsynchronousNetwork programming mt_loggerA low-dependency, multithreaded logging library with a focus on traceability and ease-of-use via macros.15,748GPL-3.0-onlyAsynchronousDevelopment tools melodium-engineMélodium core engine and executor implementation15,745EUPL-1.2AsynchronousCompilers aldrin-coreShared core components of Aldrin, a message bus for service-oriented RPC and interprocess communication.15,738MIT OR Apache-2.0AsynchronousNetwork programming drone-cortex-mARM® Cortex®-M platform crate for Drone, an Embedded Operating System.15,728MIT OR Apache-2.0AsynchronousConcurrency rendezvousEasier rendezvous channels for thread synchronization15,728EUPL-1.2Asynchronous flows-arrowBuilding blocks for flow-based data processing with Apache Arrow.15,722UnlicenseAsynchronousConcurrency liteapiService of litestorm for creating REST APIs15,702MITAsynchronousNetwork programming ultrafast-mcp-serverHigh-performance server implementation for the Model Context Protocol (MCP)15,665MIT OR Apache-2.0API bindingsAsynchronous shullerLib to get links to images for your favourite tags on rule34 and any15,653MITAPI bindingsAsynchronous piston_rsAn async wrapper for the Piston code execution engine.15,621MITAPI bindingsAsynchronous eventuallyCrate for using Event Sourcing in Rust applications15,600MITAsynchronousData structures medinaAn asynchronous web crawling engine15,589non-standardAsynchronousConcurrency freya-winitWinit renderer for Freya15,578MITAsynchronousGUI haalkaergonomic reactive Bevy UI library powered by FRP signals15,577MIT OR Apache-2.0AsynchronousGame development misanthropicAn async, ergonomic, client for Anthropic's Messages API15,561MITAPI bindingsAsynchronous apcacliA command line tool for trading stocks on Alpaca (alpaca.markets).15,546GPL-3.0-or-laterAPI bindingsAsynchronous newsblur_apirust implementation of the NewsBlur-API15,541GPL-3.0-or-laterAPI bindingsAsynchronous libp2prs-coreCore traits and structs of libp2p15,539MITAsynchronousNetwork programming aldrin-macrosAldrin macros.15,525MIT OR Apache-2.0AsynchronousNetwork programming memberlist-typesTypes used in the memberlist crate.15,520MPL-2.0AsynchronousNetwork programming zino-channelCloud events and subscriptions for zino.15,504MITAsynchronousNetwork programming peace_paramsConstraints and specifications for parameters for the peace automation framework.15,491MIT OR Apache-2.0AsynchronousConfiguration rama-proxyproxy types and utilities for rama15,473MIT OR Apache-2.0AsynchronousNetwork programming rustmarkExtensible web application for serving Markdown-based content15,470MITAsynchronousParser implementations async_ipAn asynchronous client used to obtain one's global Ipv6 or Ipv4 address15,467MIT OR Apache-2.0AsynchronousCryptography lumina-node-wasmBrowser compatibility layer for the Lumina node15,450Apache-2.0AsynchronousCryptography::Cryptocurrencies peace_cmdCommand structure for the Peace framework.15,397MIT OR Apache-2.0AsynchronousConfiguration wgpu-asyncConverts some WGPU callback methods to async methods.15,396MITAsynchronousRendering tubettiServe &[u8] data at a localhost url with minimal configuration15,379MIT OR Apache-2.0AsynchronousDevelopment tools::Testing embedded-registers-deriveProcedural macro for effortless definitions of registers in embedded device drivers15,377MIT OR Apache-2.0AsynchronousEmbedded development flows-hashBuilding blocks for flow-based cryptographic hashing.15,370UnlicenseAsynchronousConcurrency async-try-fromA crate that provides asynchronous trait-based creation and validation patterns.15,336MITAsynchronousDevelopment tools futures-stream-select-all-sendA futures library adapter for merging the output of several streams15,328MITAsynchronous sntpc-net-tokioTokio socket wrapper for sntpc library15,326MIT OR Apache-2.0AsynchronousDate and time workspacer-crateEfficient management of Rust workspaces with asynchronous operations, offering functionalities for crate initialization,…15,311MIT OR Apache-2.0AsynchronousConfiguration ksoftKSoft.SI api wrapper written in pure Rust15,296MPL-2.0API bindingsAsynchronous tetsy-libp2p-pingPing protocol for libp2p15,233MITAsynchronousNetwork programming reactive-messagingReactive client/server communications, focused on high performance15,223UnlicenseAsynchronousConcurrency nidrs-externNidrs external library.15,187MITAsynchronousNetwork programming actix-ioframeActix framed service15,179MIT/Apache-2.0AsynchronousNetwork programming gentiangentian: a proc macro that transforms generators to state machines15,167non-standardAsynchronousRust patterns aldrin-genAldrin code generator.15,091MIT OR Apache-2.0AsynchronousNetwork programming tide-http-authBasic and Bearer auth support for Tide15,069Apache-2.0AsynchronousAuthentication tetsy-libp2p-identifyNodes identifcation protocol for tetsy-libp2p15,068MITAsynchronousNetwork programming tetsy-libp2p-mdnsImplementation of the tetsy-libp2p mDNS discovery method15,066MITAsynchronousNetwork programming embedded-registersProcedural macro for effortless definitions of registers in embedded device drivers15,058MIT OR Apache-2.0AsynchronousEmbedded development tetsy-libp2p-mplexMplex multiplexing protocol for tetsy-libp2p15,055MITAsynchronousNetwork programming tower-redisA Tower service for asynchronous Redis request/response performed over a managed, multplexed connection.15,046MITAsynchronousDatabase interfaces fibers_transportTransport layer abstraction built on top of [`fibers`] crate15,041MITAsynchronousNetwork programming fluence-fork-libp2p-kadKademlia protocol for libp2p15,036MITAsynchronousNetwork programming rxrReactive extensions for event-driven applications15,035MIT OR Apache-2.0AsynchronousConcurrency actori-threadpoolActori thread pool for sync code14,980MIT/Apache-2.0AsynchronousNetwork programming ultrafast-mcp-clientClient implementation for UltraFast MCP14,969MIT OR Apache-2.0API bindingsAsynchronous multipart-rfc7578An implementation of multipart/form-data (RFC7578)14,954MIT OR Apache-2.0AsynchronousWeb programming tor-eventsA typed event broadcasting framework for Arti.14,934MIT OR Apache-2.0Asynchronous actori-macrosActori runtime macros14,920MIT/Apache-2.0AsynchronousNetwork programming citadel_wireNAT traversal and wire support for the Citadel Protocol14,912MIT OR Apache-2.0AsynchronousCryptography proxiedAsynchronous client connector for proxies14,902MITAsynchronousNetwork programming hannibalA small actor library14,885MIT/Apache-2.0Asynchronous embassy-net-tuntapembassy-net driver for Linux TUN/TAP interfaces.14,870MIT OR Apache-2.0AsynchronousEmbedded development redis-driverRedis async driver for Rust14,866non-standardAsynchronousDatabase interfaces bitcoinsv-rpcAsync Rust library for Bitcoin SV node communication14,863MITAPI bindingsAsynchronous read_until_sliceAsyncBufRead::read_until extension to take a slice as a delimiter instead of a single u8.14,860MITAsynchronous libmqm-defaultIBM® MQ Interface (MQI), Programmable Command Format (PCF) and MQ Administration Interface (MQAI) structure defaults14,857Apache-2.0AsynchronousExternal FFI bindings parSession types, as an implementation of linear logic with MIX14,856MITAsynchronousConcurrency futures-await-test-previewAsync test support for Rust through a procedural macro. This crate defines the `#[async_test]` attribute to make writing tests…14,847MITAsynchronousRust patterns izihawa-common-multipartAn implementation of multipart/form-data14,839MIT OR Apache-2.0AsynchronousWeb programming tower-resilienceComposable resilience and fault-tolerance middleware for Tower services14,822MIT OR Apache-2.0AsynchronousNetwork programming yandex-musicRust wrapper for the Yandex Music API14,804MITAPI bindingsAsynchronous gritlabGitlab rust API sdk14,790MITAPI bindingsAsynchronous quartz_schedMinimalistic scheduling library for Rust14,759MITAlgorithmsAsynchronous lumina-cliCelestia data availability node implementation in Rust14,705Apache-2.0AsynchronousCommand line utilities sparql-algebraA dataflow implementation of the SPARQL graph query language.14,668UnlicenseAsynchronousNo standard library actori-rtActori runtime14,640MIT/Apache-2.0AsynchronousNetwork programming threatflux-hashingHigh-performance async file hashing library supporting MD5, SHA256, SHA512, and BLAKE314,634MITAsynchronousCryptography rtvMinimal HTTP/S client that supports nonblocking and streaming requests using mio.14,613MITAsynchronousWeb programming wasm-serviceSimplify implementation of serverless WASM on Cloudflare Workers14,570MIT OR Apache-2.0AsynchronousWebAssembly ultrafast-mcpHigh-performance, ergonomic Model Context Protocol (MCP) implementation in Rust14,552MIT OR Apache-2.0API bindingsAsynchronous citadel_userUser backend library for the Citadel Protocol14,550MIT OR Apache-2.0AsynchronousCryptography terracottaBoilerplate webserver application based on Axum14,518MITAsynchronousAuthentication freya-commonInternal common utilities for Freya.14,507MITAsynchronousGUI voodooAn intuitive, idiomatic, unopinionated, zero-overhead Vulkan API14,495MIT/Apache-2.0API bindingsAsynchronous async-dnsA simple async DNS resolver14,495MIT OR Apache-2.0AsynchronousNetwork programming orphanageRandom collection of stuff that is still searching for a home.14,4890BSDAlgorithmsAsynchronous pn532PN532 protocol implementation14,487MIT OR Apache-2.0AsynchronousEmbedded development rerun-tonic-web-wasm-clientgrpc-web implementation for use by tonic clients in browsers via webassembly14,484MIT/Apache-2.0AsynchronousNetwork programming flows-imageBuilding blocks for flow-based image processing.14,459UnlicenseAsynchronousConcurrency async_channel_io`AsyncRead` and `AsyncWrite` implementations for `async_channel`14,435MITAsynchronous tyractorsaurTyped Actor System14,433MIT OR Apache-2.0AsynchronousConcurrency sonora library for controlling sonos speakers14,413MITAsynchronousNetwork programming koit-tomlA simple, asynchronous, pure-Rust, structured, embedded database14,393MITAsynchronousDatabase implementations zino-openapiOpenAPI support for zino.14,384MITAsynchronousNetwork programming vibeioA high-performance, cross-platform asynchronous runtime for Rust14,358MITAsynchronousNetwork programming actix-postgresPostgreSQL integration for Actix framework.14,352MIT OR Apache-2.0AsynchronousNetwork programming vssA dead simple library to allow for easily reused shutdown signal handling14,348MIT OR Apache-2.0AsynchronousWeb programming knienTyped RabbitMQ interfacing for async Rust14,334MIT OR Apache-2.0AsynchronousWeb programming ockam_macroEnd-to-end encryption and mutual authentication for distributed applications.14,306Apache-2.0AsynchronousAuthentication steam-connectImplementation Steam web authorization for simple use in projects with or without actix_web14,286MITAsynchronousAuthentication elikarA rust asynchronous ECS game engine14,285MITAsynchronousConcurrency atedbDistributed datachain (database) built on an immutable data store with strong encryption and authentication14,279MIT OR Apache-2.0AsynchronousCryptography flows-httpBuilding blocks for flow-based HTTP requests & responses.14,279UnlicenseAsynchronousConcurrency yt-apia work in progress library to interact asynchronously with the youtube api14,273MITAPI bindingsAsynchronous melodium-langMélodium language parsing and semantic analyser14,273EUPL-1.2AsynchronousCompilers flatlineAn async SSH-2.0 client library for Rust14,271MPL-2.0AsynchronousNetwork programming tarpc-libAn RPC framework for Rust with a focus on ease of use.14,254MITAsynchronousNetwork programming b2_backblazethis is a basic async library to upload small files to backblaze b2 service.14,246GPL-3.0API bindingsAsynchronous asteroid-mq-modelBasic models for asteroid-mq14,232MIT/Apache-2.0AsynchronousNetwork programming codex-codesTyped Rust SDK for the OpenAI Codex agent CLI: serde models of the codex app-server JSON-RPC protocol, plus sync and async…14,219Apache-2.0API bindingsAsynchronous zino-amisUI generator for amis.14,189MITAsynchronousNetwork programming crypto-bottersA library for cryptocurrency exchange APIs.14,174MITAPI bindingsAsynchronous flows-mathBuilding blocks for flow-based mathematical operations.14,140UnlicenseAsynchronousConcurrency webhdfsHadoop WebHDFS client library14,137Apache-2.0AsynchronousFilesystem telegram-bot-forkA library for creating Telegram bots14,117MITAPI bindingsAsynchronous meltdownA lightweight service manager to help with graceful shutdown of asynchronous applications.14,1090BSDAsynchronous tokio-async-stdAn async-std that can fit into tokio ecosystem straight ahead14,098MITAsynchronousConcurrency redis-work-queueA work queue, on top of a redis database, with implementations in Python, Rust, Go, Node.js (TypeScript) and Dotnet (C#).14,084MITAPI bindingsAsynchronous google-places-apiUnofficial Google Places API for rust.14,078MITAPI bindingsAsynchronous nominatimBindings to the reverse geocoding API powered by openstreetmap.14,077MITAPI bindingsAsynchronous fd-queueA library to support fd passing on Unix sockets.14,077MIT OR Apache-2.0AsynchronousOperating systems::Unix APIs suppaftp-cliFTP command line client, based on suppaftp14,031MIT OR Apache-2.0AsynchronousNetwork programming safina-netSafe async network functions - ARCHIVED: Code moved to `safina` crate.14,027Apache-2.0Asynchronous executor-coreA zero-cost task executor abstraction layer for Rust async runtimes14,027MITAsynchronousConcurrency libp2prs-runtimeruntime which support async-std and tokio14,013MITAsynchronousNetwork programming nmrsA Rust library for NetworkManager over D-Bus13,997MITAPI bindingsAsynchronous http-handleA fast and lightweight Rust library for handling HTTP requests and responses.13,995AGPL-3.0-onlyAsynchronousCaching thetaAn Rust Actor Framework13,987MITAsynchronousConcurrency actix-storageGeneral key value storage for actix-web13,984MIT OR Apache-2.0AsynchronousCaching turbomcp-clientMCP client with full protocol support, bidirectional communication, and plugin middleware13,961MITAsynchronousDevelopment tools fs-melMélodium core filesystem interaction library13,953EUPL-1.2AsynchronousCompilers bolt-load-utilsUtility functions for bolt-load: HTTP header parsing, async readers, and tracing helpers13,950MIT OR Apache-2.0AsynchronousNetwork programming bolt-load-coreCore traits and types for bolt-load: download sources, sinks, and error definitions13,950MIT OR Apache-2.0AsynchronousNetwork programming edge-nal-stdA STD implementation of edge-nal based on `async-io`13,935MIT OR Apache-2.0AsynchronousEmbedded development tet-libp2p-coreCore traits and structs of tet-libp2p13,925MITAsynchronousCryptography::Cryptocurrencies bolt-load-adapterPluggable HTTP adapters for bolt-load: reqwest, ureq, and custom backends13,922MIT OR Apache-2.0AsynchronousNetwork programming flux-engineA modern evolution on flow-based programming (FBP).13,900UnlicenseAsynchronousConcurrency bolt-loadA fast, async, multi-connection parallel download library for Rust13,896MIT OR Apache-2.0AsynchronousNetwork programming stm32wb-hciImplementation of the Bluetooth HCI for the STM32WB family13,893MIT/Apache-2.0AsynchronousEmbedded development logic-meshControl logic engine using event based and reactive blocks written in Rust.13,881BSD-3-ClauseAsynchronousWebAssembly tascA minimnal, asynchronous threadpool13,869non-standardAsynchronousNo standard library actori-serviceActori service13,864MIT/Apache-2.0AsynchronousNetwork programming rxqlite-tests-commonA distributed sqlite database built upon `openraft` ,`sqlx` and `sqlite`.13,854MIT OR Apache-2.0AlgorithmsAsynchronous aldrin-testUtilities for Aldrin server and client tests.13,829MIT OR Apache-2.0AsynchronousNetwork programming darpiA web framework with type safety and speed in mind13,822MIT OR Apache-2.0AsynchronousNetwork programming async-cron-schedulerRuntime-agnostic async task scheduler with cron expression support13,806MPL-2.0AsynchronousDate and time get-file-sizeRust crate for asynchronous file size retrieval and line counting, utilizing the tokio runtime for non-blocking I/O operations.13,769MIT OR Apache-2.0AsynchronousDevelopment tools hypercore-protocolReplication protocol for Hypercore feeds13,724MIT OR Apache-2.0AsynchronousConcurrency ns-env-configAn env_logger-inspired one-stop configuration for name resolution based on abstract-ns. Reduces boilerplate and provides…13,721MIT/Apache-2.0AsynchronousNetwork programming messagebus_deriveMessageBus allows intercommunicate with messages between modules13,714MIT OR Apache-2.0AsynchronousNetwork programming state-machinesType-safe state machines with hierarchical states, guards, callbacks, and async support - Rust port of Ruby's state_machines gem13,703MIT OR Apache-2.0AsynchronousEmbedded development conch-runtimeA library for evaluating/executing programs written in the shell programming language.13,691MIT/Apache-2.0Asynchronous flows-ioBuilding blocks for flow-based I/O readers & writers.13,685UnlicenseAsynchronousConcurrency scrappy-threadpoolscrappy thread pool for sync code13,669MITAsynchronousNetwork programming gneiss-mqttAsynchronous and threaded MQTT(5) clients13,665Apache-2.0AsynchronousNetwork programming scrappy-macrosscrappy runtime macros13,658MITAsynchronousNetwork programming noosphere-fsA high-level, FS-like view over Noosphere content13,651MIT OR Apache-2.0AsynchronousEncoding spaadZero boilerplate actor systems with xtra13,647MPL-2.0AsynchronousConcurrency moxieIncremental runtime for interactive software.13,628MIT/Apache-2.0AsynchronousCaching nb-executorSingle-future, #![no_std] executor based on event bitmasks13,613Apache-2.0AsynchronousNo standard library dialecticTransport-polymorphic, asynchronous session types for Rust13,591MITAsynchronousConcurrency memstoreAn in-memory implementation of the `async-raft::RaftStorage` trait.13,586MIT/Apache-2.0AlgorithmsAsynchronous bevy_serialportAsync serial port plugin for Bevy game engine with enhanced error handling and convenience APIs13,569MIT OR Apache-2.0AsynchronousGame development monoio-thriftThrift for Monoio.13,562MIT/Apache-2.0AsynchronousNetwork programming crossmist-deriveEfficient and seamless cross-process communication, both synchronously and asynchronously13,538MITAsynchronousConcurrency cloud_terrastodon_user_inputHelper functions for interacting with users in the terminal13,531LiLiQ-R-1.1API bindingsAsynchronous tokio-os-timerTimer facilities for Tokio based on OS-level primitives.13,522MITAsynchronousDate and time opentelemetry-zpages[DEPRECATED] ZPages implementation for OpenTelemetry13,520Apache-2.0AsynchronousDevelopment tools::Debugging actix-interopUse async/await syntax with actix actors.13,507MIT/Apache-2.0Asynchronous stream-extAn extension trait for Streams that provides a variety of convenient combinator functions13,501MIT OR Apache-2.0Asynchronous tower-mcpTower-native Model Context Protocol (MCP) implementation13,486MIT OR Apache-2.0AsynchronousNetwork programming actori-codecUtilities for encoding and decoding frames13,466MIT/Apache-2.0AsynchronousNetwork programming dbus-asyncAsynchronous DBus library13,449BSD-3-ClauseAsynchronous plctag-asyncasync wrapper for libplctag13,447MITAPI bindingsAsynchronous theta-macrosProcedural macros for the Theta actor framework13,437MITAsynchronousConcurrency kafka-rsNative Rust Kafka client, built upon kafka-protocol-rs and Tokio.13,434MIT/Apache-2.0API bindingsAsynchronous archflowCreate a streamable Zip archive13,431MITAsynchronousCompression bme280-rsA crate to query BME280 sensors over I²C13,401MIT OR Apache-2.0AsynchronousEmbedded development seccImplements a Skip-Enabled Concurrent Channel (SECC) for Rust13,371Apache-2.0AsynchronousConcurrency nautilus-commonCommon functionality and machinery for the Nautilus trading engine13,371LGPL-3.0-or-laterAsynchronousFinance async-graphql-vizasync-graphql for viz13,364MIT/Apache-2.0AsynchronousNetwork programming flows-randBuilding blocks for flow-based random number generation.13,362UnlicenseAsynchronousConcurrency async_msp_cliAsync msp cli for iNav and BetaFlight13,352MIT OR Apache-2.0AsynchronousCommand line utilities poolpartyAdded functionality for the `futures::executor::ThreadPool` futures executor.13,329MITAsynchronous