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.
cortexai-mcpModel Context Protocol (MCP) support for Cortex: stdio, SSE, and server transports20Apache-2.0
cortexai-workflowYAML-based workflow DSL for Cortex: define multi-agent pipelines declaratively20Apache-2.0
elizaos-plugin-goalsGoals management plugin for elizaOS - Rust implementation20MIT
veinq-clientRust client library for the Veinq message server20AGPL-3.0
ttlog-viewTTLog viewer and analysis tool20MIT
adk-server-coreShared server core for adk-web, adk-api-server, and adk-cli — agent loading, REST handlers, session management20MIT
uniswap-v3-rsOpinionated Alloy-native Uniswap V3 SDK for Rust20MIT
cortexai-dashboardReal-time web dashboard for Cortex AI agent monitoring and observability20Apache-2.0
kyoto-coreCore types and traits for kyoto20MIT
spn-providersLLM provider abstraction layer for SuperNovae20MIT OR Apache-2.0
fandhe-backend-routesfandhe-backend のルータ(静的・パスパラメータ・ワイルドカード・フォールバック・async ハンドラ対応)。fandhe-backend-http にのみ依存する中間層。20MIT OR Apache-2.0
onechat-tonic-web-wasm-clienttonic-web-wasm-client fork with wasm-streams 0.6 (Cloudflare Workers)20MIT OR Apache-2.0
culvert-asyncAsync typed access to the HDMI 2.1 SCDC register map20MPL-2.0
elizaos-plugin-whatsappWhatsApp Cloud API plugin for elizaOS agents20MIT
mesh-sdkMesh Protocol Rust SDK — facade crate re-exporting mesh-client, mesh-dataplane, mesh-session and mesh-types20Apache-2.0
overture-mcpModel Context Protocol (MCP) server for Overture Maps road network extraction20MIT OR Apache-2.0
hexeract-scheduler-sqlSQL backends for the Hexeract scheduler via sqlx with postgres, mysql and sqlite feature flags20MIT OR Apache-2.0
hopf-coreThread-per-core reactor, Endpoint, and ProtocolHandler substrate for Hopf20LGPL-2.1-or-later
specta-pythonExport your Rust types to Python20MIT
specta-cppExport your Rust types to C++20MIT
specta-javaExport your Rust types to Java20MIT
specta-zigExport your Rust types to Zig20MIT
genosAI-native Rust backend framework built on Axum + Tokio20MIT
tool-retry-policyDeclarative retry policy for LLM tool calls: per-tool max-attempts, exponential backoff, jitter, retriable-error filter. Returns…20MIT OR Apache-2.0
ansiqThin umbrella crate and default entry point for building terminal applications with Ansiq.20MIT
thalReactive semantic runtime — molecules, reactions, and effect actors for building LLM-backed applications as dataflow programs.20MIT OR Apache-2.0
peaplexA profoundly minimal, zero-copy stream multiplexer for any AsyncRead + AsyncWrite connection.20CC0-1.0 OR MIT
logosq-os-schedulerQuantum-classical task scheduler for LogosQ Quantum OS20MIT
botkitUnified Rust bot framework with optional Discord, Telegram, and Matrix adapters20MIT OR Apache-2.0
hyphenRust SDK for the hyphen diagnostic platform — sinks, adapters, catalog, and emit surface20MIT OR Apache-2.0
hermes-constructHermes Construct — tile-operating shell kernel for Oracle ARM20MIT OR Apache-2.0
groupcache-ngA distributed caching and cache-filling library with near-realtime streaming invalidation, lock-free routing, and built-in…20MIT
prism-corePrism — Reliability layer for agentic AI systems: voting mesh, checkpoint/replay, and Python bindings20MIT OR Apache-2.0
crabbyqA declarative async Rust framework for message-driven microservices.20MIT
bastion-aiBastion — The open-source Production Kernel for Agentic AI. Multi-model consensus, self-healing, deterministic checkpoints,…20MIT OR Apache-2.0
savant-etcdAsync etcd helpers used by the Savant control plane.20Apache-2.0
streamq-rsOfficial Rust SDK for the streamq message broker20MIT
plato-matrix-bridgePLATO↔Matrix bridge — bidirectional tile synchronization via Matrix custom events20MIT
rune-chain-sequentialSequentialChain — run rune-chain chains in order, piping each output as input to the next20MIT
opencode_webresearchRust library for automated web research workflows via OpenCode and MCP servers.20MIT OR Apache-2.0
chromistRust browser automation via the Chrome DevTools Protocol20MIT OR Apache-2.0
cell_mesh_protocol_1Rheo mesh protocol - typed RPC, discovery, and gossip for distributed cell networks20MIT
stream-transfer-limitByte-count transfer limits for fallible futures streams20MIT
freebox-rsErgonomic async Rust client for the Freebox OS API20GPL-3.0-or-later
web_server_bindingTCP and Unix-socket binding helpers and readiness polling for web servers.20Apache-2.0
lash-turso-storeTurso-backed session store for the lash agent runtime.20MIT
weir-serverThe weir daemon20MIT
anycms-event-actixActix-web integration for anycms-event20MIT
sombrax-actorsA lightweight actor framework with broadcast and work-queue channels, shared state, and derive macros for message-driven Rust…19MIT OR Apache-2.0
cortexai-resilienceResilience patterns for Cortex: Circuit Breaker, Retry, Bulkhead and Rate Limiting19Apache-2.0
quixotic-plecostomusA framework to build fast, reliable and programmable networked systems at Internet scale.19Apache-2.0
dbos-cliCommand-line interface for DBOS Transact (a Rust port of DBOS Transact)19MIT
cortexai-cacheSemantic caching for Cortex with Redis/Valkey and in-memory backends19Apache-2.0
scoped-async-macroA macro for ergonomic scoped async tasks with borrowed data19non-standard
mcp-kit-rsGateway-aware Rust kit for building MCP servers19MIT
market-flowAsync NDJSON stream of market events (snapshots, depth updates, trades) for Tokio19MIT
skg-provider-ollamaOllama local model provider for skg-turn19MIT OR Apache-2.0
fandhe-backend-plugin-staticfandhe-backend の静的ファイル配信プラグイン(イシュー #318)。パストラバーサル対策・spawn_blocking I/O を備えたディレクトリ配信を提供する。19MIT OR Apache-2.0
hiver-lombokLombok-style annotations for Hiver Framework.
Hiver框架的Lombok风格注解。
Equivalent to: Project Lombok19MIT OR Apache-2.0
websocketingWebSocketing is a WebSockets actor framework.19MIT OR Apache-2.0
elizaos-plugin-matrixMatrix messaging integration plugin for elizaOS agents19MIT
fandhe-backend-plugin-websocketfandhe-backend の WebSocket プラグイン(TASK-4.1)。コアの UpgradeHandler 拡張点から委譲された接続に対し、RFC 6455 ハンドシェイクの検証・101 応答の送出・tokio-tungstenite…19MIT OR Apache-2.0
botletDistributed AI Agent orchestration infrastructure. [O]19Apache-2.0
llm-retryRuntime-agnostic exponential backoff with full jitter for LLM API calls. Built-in retryable-error code lists for Anthropic,…19MIT OR Apache-2.0
mpu6050-async-driverA no_std async MPU-6050 driver with accelerometer, gyroscope and temperature support.190BSD
ringcoreA minimal async runtime built on Linux io_uring, designed to expose how Rust futures map to kernel I/O.19MIT
openscotchName reservation placeholder; first functional release will be 0.1.0.19Apache-2.0
openscotch-coreName reservation placeholder; first functional release will be 0.1.0.19Apache-2.0
llmfleetFleet-level batch dispatcher for LLM APIs. Pool requests across tasks, route to provider Batch APIs, save 50% on cost without…19MIT
cmppprotocolCMPP 2.0 client protocol library19MIT
lilqueue-seaormSeaORM SQLite adapter for lilqueue19BSD-3-Clause
plexus-rpcUmbrella crate for Plexus RPC: re-exports plexus-auth-core, plexus-core, plexus-macros, and (optionally) plexus-transport at…19MIT
redis-towerA Tower-based Redis client with strong typing, composable middleware, and resilience19MIT OR Apache-2.0
dag-executorA production-ready DAG executor with state management and advanced patterns19MIT OR Apache-2.0
agent-phoneMinimal sync RPC between two AI agents (Rust port of @p-vbordei/agent-phone). Self-custody keys, Noise-framework handshake,…19Apache-2.0
furl-coreA fast, multithreaded downloader library built in Rust.19Apache-2.0
spine-embeddedMinimal agent runtime for embedded/IoT targets (ARM Cortex-M, ESP32, RISC-V)19AGPL-3.0-or-later
dalangComposable async actor framework for Wasm extensions and hosts (placeholder — full SDK coming soon)19Apache-2.0
request-shadowAsync request mirroring with sampling, divergence detection, and structured response diffs. SRE bread-and-butter for safe…19MIT
feature-flagServer-side feature flag evaluation for async Rust: targeting rules, sticky percentage rollouts, hot reload, zero RNG.19MIT
signaldock-sdkService layer and delivery orchestration for SignalDock19MIT
disposition_lspLanguage server for editing `disposition` `InputDiagram` YAML.19MIT OR Apache-2.0
flightradarapiA modern async Rust SDK for the FlightRadar24 API19MIT
satd-events-clientAsync Rust client SDK for the satd.events.v1 streaming consumption API19MIT
rime-xdsLock-free delta-xDS control plane for Envoy. Incremental updates, zero-copy fan-out, and content-addressed versioning — the…19MIT OR Apache-2.0
cooltickerA small ticker abstraction with sync, async (tokio), randomizable, and mockable interval implementations.19MIT
fyers-rsIdiomatic async Rust client for the Fyers API v3 broker APIs.19Apache-2.0
telnyxAsync Rust SDK for the Telnyx API — messaging, voice / Call Control, phone numbers, SIP trunking, and Ed25519 webhook verification19MIT OR Apache-2.0
agentsdk-plugin-mcpAn MCP (Model Context Protocol) plugin for agentsdk.19MIT
scalarian-openai-rustIndependent Rust SDK for the OpenAI API with Responses-first ergonomics and realtime support19Apache-2.0
llmletDistributed AI Agent orchestration infrastructure. [O]19Apache-2.0
rune-chain-anthropicAnthropic Claude LLM provider for the rune-chain framework — Claude 3 and Claude 4 families with streaming19MIT
tenzro-consensusHotStuff-2 BFT consensus engine for Tenzro Network with TEE-weighted leader selection and equivocation detection19Apache-2.0
orleans-rust-clientRust client bindings for Microsoft Orleans services via an official .NET gRPC bridge.19MIT
nexo-companion-tuiReference companion CLI for the Nexo pairing protocol — decodes setup-codes and prints the connect plan.19MIT OR Apache-2.0
lux-visionPluggable multimodal vision pipeline with token-budget admission; Claude and Runway backends.19MIT OR Apache-2.0
yugendbUser-facing Rust facade crate for yugendb.19MIT
kobean_rest_clientA production-ready, highly flexible, asynchronous generic REST client library built on reqwest and tokio.19MIT
xai-grokHigh-level async client for the xAI Grok API (chat, streaming, tool calling, vision, structured outputs), built on the stream-rs…19MIT
eikAn AI agent framework for Rust19MIT
pureflowA flow-based programming (FBP) workflow engine for building concurrent data pipelines19MIT
zelos-actionsActions SDK for Zelos: register and serve actions over gRPC19MIT OR Apache-2.0
orbitApplication-native event messaging for distributed systems.19Apache-2.0
tinychannelsPluggable channel and messaging primitives for OpenHuman harness communication.19GPL-3.0-only
flowshield-towerTower middleware integration for FlowShield — per-key rate limiting as a Layer/Service, with 429 + Retry-After.19MIT OR Apache-2.0
toggleaiOfficial Rust SDK for ToggleAI — Feature Flags, Remote Configs, Error Monitoring, and A/B Testing19MIT OR Apache-2.0
conductor-sdkRust SDK for Netflix Conductor workflow orchestration19Apache-2.0
async-acceptorAbstraction over tokio async listeners with an accept() method19Apache-2.0 OR GPL-3.0-or-later
agent-framework-foundryAzure AI Foundry (Responses API) chat client and Prompt Agents for agent-framework-rs19MIT
agentyk-coreThe agentyk contract: traits, event protocol, and the turn state machine. Implement against this; build with `agentyk`.18MIT
koprs-externalGeneric polling watchers for external sources such as HTTP APIs and object stores, designed as a companion to koprs Kubernetes…18MIT
hiver-retry-macrosProcedural macros for hiver-retry - @Retryable annotation support.
hiver-retry 的过程宏 - @Retryable 注解支持。18MIT OR Apache-2.0
fandhe-backend-corefandhe-backend の最小コア。HTTP/1.1 サーバ・3 種拡張点(Middleware / UpgradeHandler / RequestGate)・Cargo feature 駆動のプラグイン配線を提供する。18MIT OR Apache-2.0
coreon-httphttp:* (client) + http-server:* (server) components for camel-rs.18Apache-2.0
rust-job-queue-api-worker-systemA production-shaped Rust job queue: Axum API + async workers + Postgres SKIP LOCKED dequeue, retries with decorrelated jitter,…18Apache-2.0
bext-realtimeRealtime pub/sub for bext — WebSocket and SSE with optional Redis relay18MIT
lksctpRust bindings for Linux kernel SCTP with tokio integration and no libsctp dependency18MIT
openscotch-pyName reservation placeholder; first functional release will be 0.1.0.18Apache-2.0
winio-ui-stubStub backend for winio — used when no real backend is selected.18MIT
lilqueue-seekwelSeekwel adapter for lilqueue18BSD-3-Clause
ur-rsAsync tool-using LLM agents over a pluggable provider backend18MIT OR Apache-2.0
cron-coreA cron task scheduler library for Rust with async runtime support18MIT
ferrobusRust Modbus library with a reusable async Modbus TCP transport18MIT
tunnel-coreTransport-agnostic stream multiplexer and port-forwarding data plane for building tunnels over any reliable, ordered,…18MIT OR Apache-2.0
rusticatedFast, standard-library-shaped async platform layer for brush-async18MIT
rusty-lcuGenerated Rust client helpers for the League Client Update API18MIT
ambisync_macrosProc-macro implementation for the ambisync crate18MIT OR Apache-2.0
spine-webSPINE — agentic-first web stack. Umbrella facade that re-exports the spine-* component crates behind feature flags.18AGPL-3.0-or-later
langcontinuationContinuation-passing workflow engine for durable Rust programs and AI agent systems.18Apache-2.0
finkovsky-clientTyped async HTTP client for the Finkovsky API.18MIT
opengatellmClient Rust pour OpenGateLLM, l'API gateway open-source pour LLM self-hosted (DINUM / Etalab).18MIT OR Apache-2.0
brawl-rsA Rust wrapper for the Brawl Stars API18MIT
millipede-browserBrowserCrawler core, BrowserProvider trait, and BrowserPool for the Millipede web crawler.18MIT OR Apache-2.0
typeway-migrateCode migration tool for porting axum services to typeway18MIT OR Apache-2.0
application-toysLightweight application primitives for async Rust — typed event bus, async trait support, and more to come18non-standard
backyard-queueSidekiq-inspired async job queue for Rust — Redis and SQLite backends18MIT OR Apache-2.0
agentsdk-plugin-fsA FileSystem plugin for agentsdk.18MIT
sioc-engineAsync Engine.IO client implementation for Sioc18MIT OR Apache-2.0
hanzo-agent-proxyMulti-backend OpenAI-compatible API proxy for AI agents and CLIs18MIT OR Apache-2.0
mapepireAsync Rust client for Mapepire — Db2 for IBM i over secure WebSockets18MIT OR Apache-2.0
tenzro-networkP2P networking layer for Tenzro Network — libp2p gossipsub, Kademlia DHT, NAT traversal via AutoNAT v2 + Circuit-Relay v2 + DCUtR18Apache-2.0
tool-call-budgetsPer-tool call count caps for AI agents. Stops runaway tool loops before they hit the invoice.18MIT
toggl-trackGeneral-purpose async Rust library for the Toggl Track API v918MIT
tenzro-eventsReal-time event streaming, subscriptions, and webhook delivery for Tenzro Network18Apache-2.0
streamer-rsBackend-agnostic async library for streaming audio and video, with GStreamer as the first implementation.18AGPL-3.0-only
hyperswarmRust implementation of hyperswarm, topic-based peer discovery on top of hyperdht18MIT
hanzo-agent-marketplaceHanzo AI - Decentralized marketplace for agent services and resources18MIT OR Apache-2.0
langgraph-pregelPregel-style superstep executor with sync/async invoke, streaming, and checkpoint bridge.18MIT
rune-chain-toolsStandard LLM-callable tool implementations for rune-chain: encoding, hashing, graph, entropy, and more18MIT
ferroquent-macrosDerive macros for Ferroquent (#[derive(Model)] and friends)18MIT
ferroquent-mysqlMySQL/MariaDB driver for Ferroquent, built on sqlx (the only crate depending on sqlx)18MIT
nexo-plugin-discoveryPlugin catalogue discovery — fetches public plugin metadata from crates.io / GitHub topic / curated index (Phase 98).18MIT OR Apache-2.0
ferroquent-modelThe Eloquent model layer for Ferroquent (Model trait, Builder, casts, lifecycle)18MIT
tauri-queueTauri integration for agent-queue background job processing18MIT
ferroquent-cliFerroquent CLI runtime (migrate, make:model, make:migration)18MIT
quic-proto-rsState machine for the QUIC transport protocol18MIT OR Apache-2.0
rustwaveA lightweight async event-driven WebSocket framework for Rust18MIT
iced_viewlessViewless application runtime based on iced primitives, enabling background services without UI18MIT
anycms-event-redisRedis transport for anycms-event distributed event bus18MIT
arc-es-sqliteSQLite EventStore implementation for arc event sourcing18MIT
arc-es-postgresPostgres EventStore and ReadModelStore implementation for arc event sourcing18MIT
arc-es-natsNATS JetStream EventBus implementation for arc event sourcing18MIT
morelDeterministic, low-latency stream processing with live execution and replay.18MIT OR Apache-2.0
agent-framework-foundry-localMicrosoft Foundry Local chat client for agent-framework-rs18MIT
uds-compatCross-platform Unix domain socket compatibility layer for tokio17MIT
agent-frameworkA Rust implementation of the Microsoft Agent Framework: build AI agents and multi-agent workflows. Meta-crate re-exporting core…17MIT
ara-com-someipSOME/IP transport backend for ara-com Adaptive AUTOSAR communication17MIT OR Apache-2.0
sisyphusExecution-agnostic, time-agnostic, no_std, zero-allocation backoff & retry state machine.17MIT OR Apache-2.0
helix-rtA high-performance AI API Gateway and Dynamic Batching framework.17MIT
atomr-accel-cubCUB-backed device-wide reductions, scans, sorts, histograms, and selects, surfaced as an atomr actor compiled per-(op, dtype) via…17Apache-2.0
aether-shm-bridgeTyped Aether domain-port bridge for the shared-memory data plane17MIT OR Apache-2.0
ruest-frameworkRUEST (Rust + NestJS) — framework backend : DI, modules, HTTP Axum, JWT, validation17MIT
adk-gatewayMulti-channel AI gateway for adk-rust agents — Telegram, Slack, WhatsApp, Discord, Matrix + control panel17Apache-2.0
hiver-shell-macrosProcedural macros for hiver-shell: @shell_component, @shell_method.
Hiver Shell 的过程宏:@shell_component, @shell_method。
Equivalent…17MIT OR Apache-2.0
motosan-agent-subagentSession-scoped subagent registry for motosan-agent-loop. Spawn, message, and wait on long-lived child agents from a parent…17MIT
fandhe-backend-plugin-graphqlfandhe-backend の GraphQL プラグイン実装(TASK-5.1 / #38)。パスインターセプト型のプラグイン境界パターン(TASK-2.4 / #21 で確立、webrtc-proxy と並ぶ第 2…17MIT OR Apache-2.0
randomorg-rpcAsync Rust client for the RANDOM.ORG JSON-RPC API (Release 4): basic generation, signed generation, tickets, and verification.170BSD
hiver-kafkaApache Kafka support for Hiver Framework.
Hiver框架的Apache Kafka支持。
Equivalent to: Spring Kafka, Spring Cloud Stream17MIT OR Apache-2.0
soul-connectExponential backoff and retry policy primitives.17MIT
coreon-tracingDistributed tracing for camel-rs — TracingProcessor + optional OTLP exporter.17Apache-2.0
pausable-tokioA fork of tokio that adds a runtime-controllable pause/resume primitive
on its clock. Drop-in replacement for tokio with a few…17MIT
coreon-kafkakafka:* component for camel-rs (producer + consumer via rdkafka).17Apache-2.0
coreon-amqpamqp:* component for camel-rs (RabbitMQ via lapin).17Apache-2.0
coreon-yamlYAML route loader for camel-rs.17Apache-2.0
coreon-maincamel-rs binary entry point + example route.17Apache-2.0
hiver-validation-annotationsValidation annotations for Hiver Framework (similar to Bean Validation).
Hiver框架的验证注解(类似于Bean Validation)。
Equivalent to: Bean…17MIT OR Apache-2.0
audio_samples_streamingChunk-based audio streaming for Rust, built on audio_samples (core audio representation and processing) and audio_samples_io.…17MIT
rune-chain-agentReAct agent loop for rune-chain: LLM + tools + scratchpad reasoning17MIT
korgThe first deterministic cognitive runtime. Every AI agent decision is logged, causally ordered, and reversible — like Git, but…17MIT OR Apache-2.0
magicqueueLightweight message queue with pluggable drivers (memory/Redis), persistence, priorities, retries and a dead-letter queue.17MIT
tpt-eve-neuralTPT Eve — pluggable LLM integration: NeuralPatternLayer trait for structured fact/causal-relation extraction (not a general…17MIT OR Apache-2.0
rok-broadcastingLaravel Echo-compatible real-time channel broadcasting for the rok ecosystem17MIT
invezgo-sdkOfficial fully-typed Rust SDK for the Invezgo API, covering all 105 endpoints 1:1.17MIT
wirecacheHigh-performance in-memory cache server with a binary TCP protocol, compatible with any language17MIT
moyasarIdiomatic async Rust client for the Moyasar payment gateway17MIT
potential-expectationsPotential Expectations — a composable, graph-driven agent runtime for Rust17MIT OR Apache-2.0
pending-requestsTrack in-flight requests and await their responses by key, for request/response protocols multiplexed over a single connection.17MIT OR Apache-2.0
oanda-rsAsync Rust SDK for the OANDA v20 REST and streaming API17BSD-3-Clause
gqlrs-axumgqlrs for axum17MIT OR Apache-2.0
rig-model-metaProvider-agnostic model metadata (context window, capabilities, quantization) and probe traits for Rig agents.17MIT OR Apache-2.0