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.
luft-runtimeLua orchestration runtime for Luft83MIT
eventbus-macrosDerive macros for eventbus-rs82MIT OR Apache-2.0
tinywatcherA tiny, zero-infrastructure observability tool for logs and system resources82MIT
langshellRust SDK for building stateful, capability-scoped LangShell runtimes.82Apache-2.0
cs2-gsiCounter-Strike 2 Game State Integration listener — receive game state pushes, emit typed events82MIT OR Apache-2.0
lazyflow-ioI/O constructors for lazyflow -- TCP, UDP, and file convenience APIs82MIT
tb-rsNative Rust client for TigerBeetle (compatible with TB 0.16.x)82Apache-2.0
memberlist-plumtreePlumtree (Epidemic Broadcast Trees) implementation built on memberlist for efficient O(n) message broadcast.82MIT OR Apache-2.0
typeway-grpcgRPC integration for the typeway type-level web framework82MIT OR Apache-2.0
rustsonrpcAsync peer-first JSON-RPC for Rust with Tokio transports and service macros.82MIT
range-cacheA thread-safe sparse byte-range cache with optional async read-through82Apache-2.0
venturiA durable, PostgreSQL-backed job queue for Rust — controlled flow from backlog to worker.82MIT
strede-jsonJSON format backend for strede82MIT
boson-corePortable Boson types, QueueBackend port, and identity hooks81MIT
prom-cardinality-capPer-namespace cap on Prometheus metric label cardinality, with warn-once-on-first-drop semantics.81MIT
karyon_swarmSwarm layer for protocol-aware peer groups on top of karyon_p2p.81MIT
rust-tokio-supervisorA Rust tokio supervisor with declarative task supervision, restart policy, shutdown coordination, and observability.81MIT
lazyflow-httpHTTP connectors for lazyflow -- SSE source, WebSocket source/sink81MIT
synwire-checkpointCheckpoint traits and in-memory implementation for Synwire81MIT OR Apache-2.0
horfimbor-callback-recalla small lib allowing to store callback that will be triggered at a specified date81non-standard
wscall-serverServer framework for WSCALL81MIT
wscall-clientClient SDK for WSCALL81MIT
luxpoolA lightweight, zero-dependency thread pool and dynamic task queue.81MIT OR Apache-2.0
lucioleActor runtime + DAG execution engine. WASM-safe, deadlock-aware, with pipe_to, WaitGraph, and streaming pipelines.81MIT
cyper-hickoryHTTP DNS resolver for cyper81MIT
avx-runtimeAVX Runtime - Native async runtime built from scratch to replace Tokio with work-stealing scheduler, epoll/kqueue/IOCP, and…80MIT OR Apache-2.0
tokio-immediate-eguiAsynchronous glue for your egui application80Apache-2.0 OR MIT
kojin-sqsAWS SQS broker for the kojin task queue80MIT OR Apache-2.0
gemini-adk-server-rsShared server core for gemini-adk-web-rs, gemini-adk-api-rs, and gemini-adk-cli-rs — agent loading, REST handlers, session…80MIT
genos-macrosProcedural macros for the Genos web framework80MIT
sourceryEvent-Sourcing library in pure rust80GPL-3.0-only
protobuilderType-safe message protocol builder with RON serialization and configurable framing80Apache-2.0
armature-frameworkA modern, type-safe HTTP framework for Rust inspired by Angular and NestJS. Features dependency injection, decorators,…80Apache-2.0
typeway-clientType-safe HTTP client for the typeway web framework80MIT OR Apache-2.0
async_jsonata_rustAsync-first JSONata parser/runtime crate with stable Rust API facade80MIT
eventide-applicationApplication layer for the eventide DDD/CQRS toolkit: command bus, query bus, handlers, application context, and an in-memory bus…80MIT OR Apache-2.0
kacrabA Kafka client for Rust, built from the protocol up.80MIT OR Apache-2.0
athenas-pallasEvent-driven algorithmic trading framework (live, paper, backtest)80MIT OR Apache-2.0
randomioAsync random-access I/O traits (write_at/read_at) for files, block devices, and object storage. The AsyncWrite equivalent for…79MIT OR Apache-2.0
aion-integration-nornThe first-party Norn adapter for Aion: implements the aion-integrations AgentHarness trait against a Norn `--protocol jsonrpc`…79AGPL-3.0-only
atomr-accel-cutlassCUTLASS kernel-template instantiation via NVRTC for atomr-accel. Provides GEMM, grouped GEMM, implicit-GEMM convolution, and EVT…79Apache-2.0
construct-coreHardware-agnostic agent runtime with layered trait system for the SuperInstance Construct API79MIT
pipeflowA lightweight, configuration-driven data pipeline framework79MIT
gemini-adk-fluent-rsFluent DX for Gemini Live — builder API, operator algebra, composition modules79MIT
eventuary-postgresPostgreSQL event backend for eventuary79MIT
hotaru_rt_tokioTokio runtime backend for Hotaru79MIT
turingramSmall runtime-agnostic Telegram Bot API framework for Rust.79MIT OR Apache-2.0
dubbo-rs-loadbalanceLoad balancing strategies for Apache Dubbo Rust — random, round-robin, least-active, consistent-hash79Apache-2.0
argentor-gatewayAxum-based HTTP gateway, REST API, and WebSocket server for Argentor79AGPL-3.0-only
reinyreiny SDK: publish/subscribe by Rust type via Cloudy and the #[reiny::main] runtime79MIT
camel-component-execFail-closed system command execution component for rust-camel79Apache-2.0
beetry-engineInternal beetry crate. For the public API, check the beetry crate.78MIT
mill-netHigh-level networking protocols components built with mill-io event-loop library.78Apache-2.0
atomr-accel-telemetryGPU observability for atomr-accel: NVTX ranges, NVML metrics actor, and CUPTI activity tracing. Implements the KernelTrace hooks…78Apache-2.0
renamedOfficial Rust SDK for the renamed.to API - AI-powered document renaming and processing78MIT
hick-compiocompio-native async mDNS driver (responder + querier + DNS-SD discovery), thread-per-core.78MIT OR Apache-2.0
rakka-accel-patternsUniversal GPU actor blueprints for rakka-accel-cuda: DynamicBatchingServer, InferenceCascade, ModelReplicaPool,…78Apache-2.0
mesh-clientControl-plane client for the Mesh Protocol: NATS pub/sub, Registry HTTP API, request/listen/heartbeat78Apache-2.0
mesh-relayNAT-traversal relay tunnel client for the Mesh Protocol78Apache-2.0
midi-ioStream and send strictly-typed MIDI messages78MIT OR Apache-2.0
agent-baseA lightweight Agent Runtime Kernel for building AI agents in Rust78MIT
eventuary-memoryIn-memory event backend for eventuary78MIT
eventuary-sqliteSQLite event backend for eventuary78MIT
eventuary-sqsAWS SQS event backend for eventuary78MIT
sqlite-kitHigh-performance SQLite connection pool with read/write split, WAL monitoring, and migration support78MIT
abplA collection of Rust boilerplate: a reloadable-systemd-service lifecycle helper, a hot-reloading axum wrapper, a…78AGPL-3.0-or-later
agentic-robotics-nodeHigh-performance agentic robotics framework with ROS2 compatibility78MIT OR Apache-2.0
aws-lambda-routerA lightweight, Express-like REST API routing framework for AWS Lambda with middleware, authentication, and CORS support78MIT
bss-oss-pcfPolicy Control Function (PCF/PCRF) for 3G/4G/5G/6G networks - Policy Control, Charging Rules, and Quota Management with Diameter…78Apache-2.0
synwire-llm-openaiOpenAI provider for Synwire78MIT OR Apache-2.0
synwire-llm-ollamaOllama provider for Synwire78MIT OR Apache-2.0
summer-xxl-jobIntegrate xxl-job / ratch-job executor with summer-rs framework78MIT
ts_transport_tuntailscale tun transport78BSD-3-Clause
tenaxumTenant-scoped helpers for Axum + sqlx + Postgres. Tenacious about row-level isolation.77MIT
ohkami-tracing-reqohkami middleware to trace requests77BSL-1.0
atomr-accel-flashattnFlashAttention v2 + v3 kernel templates for atomr-accel — fp16/bf16/fp8, causal, varlen, ALiBi, sliding window, sink tokens,…77Apache-2.0
ng-gateway-sdkSDK for building NG Gateway southward drivers and northward plugins.77Apache-2.0
io-harnessA Rust agent harness: run an AI agent from a typed task contract to a verified result. Provider-agnostic (OpenRouter, Anthropic,…77Apache-2.0
libradosIdiomatic (async) rust bindings for librados77MIT
ceylon-nextA powerful AI agent framework with goal-oriented capabilities, memory management, and tool integration77MIT OR Apache-2.0
beetry-editor-frontendInternal beetry crate. For the public API, check the beetry crate.77MIT
nexo-persona-manifestTOML manifest schema + validator for v2 persona packs (cody-cli-install Phase F2).77MIT OR Apache-2.0
synwire-vectorstore-lancedbLanceDB vector store for Synwire semantic search77MIT OR Apache-2.0
split-brain-harnessSoul-injected two-stage LLM telemetry pipeline. Wraps any LLM with affective/intent/cognitive analysis, deterministic…77MIT
rustango-orm-macrosORM-only proc-macros for rustango — Model / Form / embed_migrations. Carve-out of rustango-macros for the standalone rustango-orm…76MIT OR Apache-2.0
chronon-corePortable DTOs, SchedulerStore port, StoreRouter, and identity ports for Chronon76MIT
photon-backendPhoton publish/subscribe backend implementations and storage adapters76MIT
mesh-dataplanegRPC DataPlane server and consumer client for the Mesh Protocol (Handshake/Transfer/Result)76Apache-2.0
eventuary-kafkaApache Kafka event backend for eventuary76MIT
cruxx-macrosProc macros for the cruxx agentic DSL76MIT
rat_net_cmd一个简单高效的网络命令传输底层库,专注于提供可靠的数据传输通道,不关心具体的业务逻辑和命令执行76LGPL-3.0
deepseek-sdkDeepSeek API client for Rust.76MIT
synwire-embeddings-localLocal embedding and reranking for Synwire using fastembed76MIT OR Apache-2.0
tokio-oidc-verifierServer-side OIDC bearer-token verification on tokio: discovery, JWKS fetch, local JWT verification with background refresh.76MIT OR Apache-2.0
grlogA high-performance async logging library based on gorust GMP runtime76MIT
entelix-auth-claude-codeentelix Claude Code OAuth credential provider — reuses the Claude.ai access token managed by the Claude Code CLI for direct…76MIT
grwebA high-performance Rust Web framework based on gorust coroutine runtime76MIT
mempill-coreCore engine for mempill — a bi-temporal, append-only claim store with a deterministic adjudication gate and oracle resolution for…76Apache-2.0
tokio-prompt-orchestratorMulti-core Tokio-native orchestration for LLM inference pipelines: dedup, circuit breakers, backpressure, MCP, and autonomous…75MIT
actrpc-transportTransport abstractions and implementations for ActRPC.75MIT OR Apache-2.0
roam-inprocessIn-process transport for roam — WASM-to-JS message passing without network75MIT OR Apache-2.0
grormGoroutine-native ORM for Rust with multi-database support75MIT
rsrpcErgonomic Rust-to-Rust RPC where the trait is the API75MIT
chimera-codexCodex backend for the chimera AI agent SDK75MIT
wesichain-sessionRust-native LLM agents & chains with resumable ReAct workflows75Apache-2.0 OR MIT
wesichain-serverRust-native LLM agents & chains with resumable ReAct workflows75Apache-2.0 OR MIT
chimera-opencodeOpenCode/OpenAI-compatible REST backend for the chimera AI agent SDK75MIT
memkit-asyncAsync-aware memory allocators for memkit75MPL-2.0
quixotic-plecostomus-boringsslBoringSSL async APIs for Pingora.75Apache-2.0
runtime-rsTyped service registry and Tokio lifecycle runtime for boot, reload, background tasks, and graceful shutdown.75MIT OR Apache-2.0
quixotic-plecostomus-opensslOpenSSL async APIs for Pingora.75Apache-2.0
chimera-claudeClaude Code backend for the chimera AI agent SDK75MIT
binger-udpCross-platform, batch-native UDP I/O with platform-optimal syscalls (sendmmsg/recvmmsg on Linux, GSO/GRO, and more)75MIT
quixotic-plecostomus-s2nS2N async APIs for Pingora.75Apache-2.0
alun-kafkaAlun Kafka integration: Producer and Consumer with unified API75Apache-2.0
alun-taskAlun async task framework: Kafka-driven task submission, processing, retry with DLQ and lifecycle management75Apache-2.0
luft-storageSQLite persistence for Luft75MIT
hydrasdr-rsRust-native HydraSDR RFOne driver built on nusb.75MIT OR Apache-2.0
llmix-rsRust binding for the LLMix orchestration contract with cache, resilience, and config parity75Apache-2.0
luft-plannerNL to Lua workflow planner for Luft75MIT
serverust-telemetryTelemetria nativa do serverust: logger JSON, correlation X-Ray, métricas EMF, idempotência.74MIT OR Apache-2.0
skp-ratelimitAdvanced, modular, extensible rate limiting library with GCRA, per-route quotas, and composite keys74MIT
rs-singleflightAsync single-flight request coalescing for Rust.74BSD-3-Clause
armature-azure-functionsAzure Functions runtime adapter for Armature applications74Apache-2.0
firq-towerTower middleware integration for Firq scheduling74MIT OR Apache-2.0
qmc5883pA platform-agnostic driver for the QMC5883P magnetic sensor.74MIT OR Apache-2.0
uartcatchained uart memory bus protocol strongly inspired from EtherCAT and simplified74MIT
wesichain-mcpRust-native LLM agents & chains with resumable ReAct workflows74Apache-2.0 OR MIT
claw-transportAsync byte-stream transport trait with pluggable TLS backends74MIT
interpretthisSandboxed Python AST interpreter for untrusted and LLM-generated code74MIT OR Apache-2.0
lib3mf-asyncNon-blocking async 3MF parsing with tokio - high-throughput manufacturing data processing74BSD-2-Clause
nautilus-event-storeEvent store and authoritative log of state-affecting messages for the Nautilus trading engine74LGPL-3.0-or-later
edge-nal-tlsAn implementation of edge-nal's TCP factory and socket traits over TLS, using `mbedtls-rs`74MIT OR Apache-2.0
cortexai-dataData matching, CPF validation, and cross-source consolidation for Brazilian entity data73Apache-2.0
armature-lambdaAWS Lambda runtime adapter for Armature applications73Apache-2.0
minima-r2-sdkMinimal Cloudflare R2 SDK with manual S3v4 signing73MIT
lilqueueA small storage-agnostic async job queue runner73BSD-3-Clause
wesichain-anthropicAnthropic Claude provider for Wesichain73Apache-2.0 OR MIT
wesichain-compatLangChain 0.3.0 compatibility layer for Wesichain73Apache-2.0 OR MIT
evohome_rsAsync Rust client for the International Honeywell Evohome API (MyTotalConnectComfort) provided by Resideo73MIT
chaincodec-streamReal-time blockchain event streaming engine for ChainCodec (Tokio-based)73MIT
fobserveObservability library for the fiddlesticks agent harness framework73MIT
asupersync-browser-coreCanonical wasm-bindgen export boundary and JS/WASM package producer for the Asupersync Browser Edition.73LicenseRef-MIT-OpenAI-Anthropic-Rider
openhawk-busJSON-RPC message bus for inter-agent communication in OpenHawk73MIT
dubbo-rs-serialization-hessian2Full Hessian 2.0 serialization codec for Apache Dubbo cross-language RPC73Apache-2.0
maybe-once-macrosA singleton. Maybe.72MIT
eventuaryEvent toolkit for logs, queues, streams, routing, replay, and acknowledgements72MIT
rave-pipelineRAVE pipeline orchestration — decode→preprocess→infer→encode.72MIT
uds-stream-windowsTokio-based Unix Domain Socket (UDS) for Windows with AsyncRead/AsyncWrite support72MIT
subethaSubEtha (CXC, Cross-Context Channel): MMF-backed cross-process IPC plus adaptive in-process primitives - one byte layout for…72MIT
sse-gateway-gcpGoogle Cloud Pub/Sub adapter for SSE Gateway72MIT OR Apache-2.0
imece_coreIMECE v0.2.0 - Local-First Autonomous Agent Framework. Zero API dependency. Zero cloud lock-in. Full sovereignty.72AGPL-3.0-only
faucet-common-kinesisShared configuration types for the faucet-stream AWS Kinesis source and sink connectors72MIT OR Apache-2.0
motosan-chainComposable AI chain primitives for Rust72MIT
rustqueueBackground jobs without infrastructure — embeddable job queue with zero external dependencies72MIT OR Apache-2.0
entelix-tools-codingentelix coding-agent vertical tools — Sandbox-trait-backed shell, code, and filesystem tools plus the Anthropic Claude Skills…72MIT
fastdfsRust client for FastDFS distributed file system72MIT OR Apache-2.0
jira-mcp-rsModel Context Protocol (MCP) server for Jira71MIT
altair-wfReusable Temporal workflow patterns: single, pipeline, parallel, loop, DAG. Built on altair-temporal.71MIT
mcpkit-rocketRocket integration for mcpkit71MIT OR Apache-2.0
wirepusherOfficial Rust Client Library for WirePusher - Send push notifications with async/await support71MIT
semantic-commandsA lightweight Rust framework for defining and executing semantic commands using text embeddings71MIT OR Apache-2.0
sse-gateway-redisRedis adapters for SSE Gateway (Pub/Sub source and Streams storage)71MIT OR Apache-2.0
vantusMacro-first async Rust backend framework with explicit composition, typed extraction, and hardened HTTP defaults.71MIT OR Apache-2.0
openai-agents-voice-rsVoice workflow, STT, and TTS pipeline primitives for openai-agents-rust.71MIT
openai-agents-extensions-rsOptional transports, adapters, memory backends, and integrations for openai-agents-rust.71MIT
entelixentelix — web-service-native Rust agentic AI SDK (facade re-export crate)71MIT
ailoop-historyConversation history management and compaction for ailoop71MIT OR Apache-2.0
rocketmq-controllerRocketMQ Controller Module - High Availability Raft-based Controller71MIT OR Apache-2.0
anycms-event-deriveProcedural macros for anycms-event71MIT
hydracache-redis-compatOff-by-default Redis RESP edge facade for HydraCache cache-subset compatibility.71Apache-2.0
agent-envoyMessage/coordination server for AI coding agents using sqlitegraph pub/sub70GPL-3.0-only
pilatus-engineeringEngineering utilities (images, angles, matrices) for the Pilatus framework70MPL-2.0
kafkoIn-process log with Kafka-like semantics: topics, partitions, offset-based reads, replay, retention.70MIT OR Apache-2.0
polar-bear-rig-hftLLM-driven high-frequency trading platform on Solana - PEV loop, Smart Order Routing, SignerContext keypair isolation, and AVM…70MIT OR Apache-2.0
xenith-coreTransport-agnostic traits, types, and errors for xenith cross-chain state sync70MIT OR Apache-2.0
gpui-query-legacyTanStack Query-inspired async state management for GPUI (legacy, deprecated)70MIT
traitclaw-strategiesBuilt-in reasoning strategies (ReAct, MCTS, CoT) for the TraitClaw AI agent framework70MIT OR Apache-2.0
behest-runtimeAsync runtime kernel for the behest agent runtime70MIT OR Apache-2.0
velomorphHigh-performance zero-copy struct transformation for Rust with asynchronous background deallocation.70MIT OR Apache-2.0
faucet-common-spannerShared Cloud Spanner credentials, client construction, and value conversion for the faucet-stream Spanner source and sink…70MIT OR Apache-2.0
nacelle-codecByte-to-message codec primitives for Tokio asynchronous transports.70MIT
agui-rs-clientClient SDK for the AG-UI protocol70Apache-2.0
fnrouteA small function router with axum-style handler extraction.70MIT
agent-loop-coreA hand-rolled LLM agent loop: resilient chat transport, typed tools with derived schemas, a streaming event sink, and a two-model…70MIT OR Apache-2.0
jamjet-timersJamJet durable timers — Postgres-backed timer store and cron scheduler69Apache-2.0
pe-agentsAgent registry and builder for Potential Expectations — manifest-driven agent construction and discovery69MIT OR Apache-2.0
fastpubsub-sdkRust SDK for FastPubSubNetwork realtime message transport.69MIT OR Apache-2.0
async-dropsimple async drop69MIT
tianshu-llm-openaiOpenAI-compatible LlmProvider adapter for workflow-engine69Apache-2.0
groupcache-ng-pbProtocol buffer definitions for groupcache-ng (internal crate)69MIT
rain-engine-clientHTTP client for RainEngine runtimes69MIT
tianshu-observeObserver implementations for the Tianshu workflow engine69Apache-2.0
rok-eventsAsync event bus for the rok ecosystem69MIT
nanolog-rsHigh performance asynchronous logging library for high-frequency trading systems68MIT
jamjet-workerJamJet worker process — task execution, heartbeat, lease renewal68Apache-2.0
rusty-ssrHigh-performance SSR engine for Rust with V8 isolate pool and multi-tier caching68MIT
rakka-accelBackend-agnostic compute-acceleration core. Defines the AccelBackend trait, AccelRef<T> typed pointers, AccelError enum, and…68Apache-2.0
rusplay_collectorRugplay application to automatically collect rewards from multiple users68MIT
paradownA multi-threaded download manager with resume capability68Apache-2.0