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.
event_hexA pragmatic Rust toolkit for Domain-Driven Design with first-class support for event sourcing and CQRS.55MIT OR Apache-2.0
rusty-spotted-catAsync HTTP client for resumable file upload and download.55MIT
rusticx-mongoMongoDB adapter for the Rusticx multi-database ORM55MIT
meridian-clientRust client SDK for Meridian — real-time CRDT sync over WebSocket55MIT
volt-wasmA lightweight, single-threaded async runtime targeting WASM55MIT OR Apache-2.0
stagecraftAn actor framework for tokio55Apache-2.0
raknet-rustAsynchronous, high-performance RakNet transport library for Rust.55Apache-2.0
anthropic-toolsA Rust library for interacting with the Anthropic API55MIT
axum-apcoreAxum integration for the apcore AI-Perceivable Core ecosystem55Apache-2.0
forthosA Rust wrapper for OpenAI's responses and embeddings endpoints with prompt caching support.55MIT
tokio-osintervalAn OS-native-timer-backed alternative to tokio::time::Interval (timerfd / kqueue / CreateThreadpoolTimer).55BSD-2-Clause
faucet-sink-kinesisAWS Kinesis Data Streams sink connector for faucet-stream (batched PutRecords, partition-key routing, partial-failure retry)55MIT OR Apache-2.0
doris_rust_stream_loadHigh-throughput Apache Doris Stream Load client for Rust55Apache-2.0
acton-service-clientTyped async HTTP client for services built on the acton-service framework. Encodes acton-service's fixed wire conventions (error…55MIT
faucet-elasticsearch-commonShared configuration types for the faucet-stream Elasticsearch source and sink connectors54MIT OR Apache-2.0
faucet-gcs-commonShared GCS credential and client types for the faucet-stream ecosystem54MIT OR Apache-2.0
Raf-rsRust Actor Framework, Where Every Logic Becomes an Actor.54MIT OR Apache-2.0
aion-integration-cliA second, independent AgentHarness adapter for Aion: a plain-stdout observability-only CLI agent that demuxes interleaved stdout…54AGPL-3.0-only
chronon-backend-sql-commonShared SQL SchedulerStore for SQLite and PostgreSQL54MIT
zoey-storage-mongoMongoDB database adapter for ZoeyAI54MIT
wsio-adapterAdapter extension point for ws.io broadcast and multi-node integrations.54MIT
uf-photonPub/sub event pipeline facade — composable storage adapters54MIT
oxifyOxiFY - LLM Workflow Orchestration Platform with DAG-based pipelines54Apache-2.0
rusticx-postgresPostgreSQL adapter for the Rusticx multi-database ORM54MIT
strands-agentsA Rust implementation of the Strands AI Agents SDK54MIT
pitwall-tauriTauri integration for Pitwall telemetry library54MIT
wesichain-checkpoint-redisRedis checkpoint backend for Wesichain54Apache-2.0 OR MIT
protoc-gen-rust-temporalprotoc plugin that emits a typed Rust Temporal client from temporal.v1.* annotated services54MIT
traitclaw-anthropicAnthropic provider for TraitClaw (Claude 3.5 Sonnet, Claude 3 Opus, Haiku)54MIT OR Apache-2.0
traitclaw-openaiOpenAI provider for TraitClaw with structured output and ergonomic constructors54MIT OR Apache-2.0
irosh-cliCLI for Irosh: SSH sessions over Iroh peer-to-peer transport54MIT OR Apache-2.0
llm-stack-coreCore traits, types, and tools for the llm-stack SDK54Apache-2.0
lsp-max-cliActuation grammar CLI for lsp-max: noun/verb surface built on clap-noun-verb54MIT OR Apache-2.0
shunterAn experimental streaming pipeline library for Rust providing a composable DSL for building data pipelines54MIT
sql-ormPublic API crate for the sql-orm workspace.54MIT
radius-tokioA high-performance, async RADIUS server library (RFC 2865/2866/6614)54BSD-2-Clause
worklane-metricsOptional metrics-facade observer for worklane workers and queue depth.54MIT OR Apache-2.0
lumberjack-protocolAsync Rust implementation of the Lumberjack v2 protocol (Elastic Beats / Logstash).54MIT OR Apache-2.0
mocra-dagGeneric distributed DAG execution engine for the mocra crawler framework (zero crawler coupling).54MIT OR Apache-2.0
camel-component-cronCron component for rust-camel — triggers Routes on Unix cron schedules54Apache-2.0
k8s-operatorA highly-available Kubernetes operator framework using Raft consensus53MIT OR Apache-2.0
serverust-lambdaRuntime dual do serverust: HTTP local e AWS Lambda via lambda_http.53MIT OR Apache-2.0
erebyx-sdkRust SDK for EREBYX — persistent AI memory across every AI you use. Encrypted in transit (TLS 1.3) and at rest with envelope…53MIT OR Apache-2.0
retryifyProduction-grade async retry: shared budgets, circuit breaker, jittered backoff, dual timeouts, cancellation, and a tower Layer53MIT OR Apache-2.0
armature-graphql-clientGraphQL client with subscription support for Armature53Apache-2.0
rustic-aiA Rust-native agent framework with tool calling, streaming, and multi-provider support for OpenAI, Anthropic, Gemini, and Grok53MIT
rusticx-mysqlMySQL and MariaDB adapter for the Rusticx multi-database ORM53MIT
coreon-loglog:* component for camel-rs (prints via tracing).53Apache-2.0
rustorm-rsHigh-level async ORM for Rust built on sqlx53MIT
ppoppo-infraBackend-agnostic infrastructure traits for caching, queuing, and messaging53MIT
poprako-orchestra-extraPractical extensions for the poprako-orchestra Rust ecosystem53MIT
rehearseEffect-aware operation planning with describe, dry-run, and execute modes.53Apache-2.0
taskedEmbeddable DAG task execution engine with durable SQLite storage53MIT
faucet-sink-deltaApache Delta Lake sink for the faucet-stream ecosystem — append-only, local FS + S3/Azure/GCS53MIT OR Apache-2.0
soma-infraShared backend primitives for the soma-platform: feature-gated Postgres, Redis, crypto, object storage, LLM, knowledge-graph,…53Apache-2.0
specta-goExport your Rust types to Go53MIT
cloudiful-notifierAsync notification delivery library for ntfy, generic webhooks, and DingTalk robots.53Apache-2.0
forgelibThe standard library for agent-built SaaS: hardened infra primitives on Postgres53MIT
id_effect_sql_pgPostgreSQL driver for id_effect_sql — sqlx pool and PgSqlClient53CC-BY-SA-4.0
bus-natsNATS JetStream backend for eventbus-rs52MIT OR Apache-2.0
zoey-storage-supabaseSupabase database adapter for ZoeyAI52MIT
tailtriage-tracingTracing intake bridge for converting tt.* spans into tailtriage Run artifacts52MIT
photon-runtimePhoton runtime builder and process-wide configuration52MIT
zimqTokio-based asynchronous in-process message queue.52MIT
orchestral-cliCommand line interface for running Orchestral workflows52MIT
cellos-cortexBridge between CellOS execution cells and the Cortex doctrine layer — DoctrineAuthorityPolicy, CortexCellRunner,…52MIT OR Apache-2.0
bask-coreCore task-queue pipeline engine for bask (use the bask crate)52MIT OR Apache-2.0
bss-oss-pcf-nextgenCloud-native 5G PCF: SBA-style policy edge, intent engine, closed-loop control, digital twin simulation, Policy-as-a-Service, and…52Apache-2.0
pe-busAgent bus for Potential Expectations — in-process transport, logged bus, and negotiate()52MIT OR Apache-2.0
pipeyA lightweight HTTP-to-WebSocket event delivery service.52MIT
jesterky-modelModel-backed host actors for jesterky: the ModelActor seam adapter + the codex (ChatGPT-bundle) model. This is the M1->M2 step —…52MIT OR Apache-2.0
signal-kitHelpers for initializing OpenTelemetry-based observability (tracing, metrics, logs) in async Rust services.52MIT OR Apache-2.0
faucet-sink-spannerGoogle Cloud Spanner sink connector for the faucet-stream ecosystem52MIT OR Apache-2.0
dubbo-rs-clientHigh-level client API for connecting to Dubbo RPC services52Apache-2.0
tracing-otelShared tracing utilities and application logging bootstrap for OpenTelemetry.52MIT/Apache-2.0
pool-modGeneric object and connection pooling. Async-safe with min/max sizing, idle timeouts, max-lifetime enforcement,…52Apache-2.0 OR MIT
ruest-cliCLI for RUEST (`ruest new`, `ruest g`, `ruest start`, RuestDB migrations)52MIT
juncture-storeCross-thread persistent key-value storage for Juncture (re-exports juncture-core::store)52Apache-2.0
tiny-agent一个小而完整的 Rust LLM Agent 运行时:可中断、可恢复、可观测、可插拔的 agent loop / A small but complete LLM agent runtime in Rust — an interruptible,…52MIT OR Apache-2.0
tus-protocolRust implementation of the TUS resumable upload protocol52MIT OR Apache-2.0
qubit-taskTask-oriented services built on top of qubit-executor and qubit-thread-pool51Apache-2.0
cloudconvert-sdkAsync Rust SDK primitives for the CloudConvert API v2.51MIT
trait-morphA lightweight procedural macro to transform `async fn` in traits into `-> impl Future` with explicit bounds.51MIT OR Apache-2.0
coreon-sedaseda:* component for camel-rs (bounded mpsc queue with backpressure).51Apache-2.0
influxdb-streamAsync streaming client for InfluxDB 2.x - query millions of rows without OOM51MIT
ruststream-lapinRabbitMQ / AMQP 0.9.1 broker implementation for the RustStream messaging framework, backed by lapin.51Apache-2.0
auto_routeSpring-style automatic Axum routing for auto-di managed controllers51MIT
albatrossA composable HTTP server for Tower services built around pluggable connection acceptors.51MIT
fno-agentsPTY supervisor substrate for persistent, attachable multi-CLI coding agents (codex, gemini, claude)51Apache-2.0
libproxybaseCore engine library for ProxyBase networking, market connectivity, proxying, and telemetry51MIT
loopqAn efficient SPSC lock-free ring buffer with support for no_std, Embassy, and Tokio.51MIT OR Apache-2.0
mcp-skill-frameworkA small framework for building MCP (Model Context Protocol) servers as a uniform layer of self-contained tools ("skills"): a…51MIT
cloud_terrastodon_giteaRead-only Gitea helpers for the Cloud Terrastodon project51LiLiQ-R-1.1
solti-prometheusSolti SDK Prometheus metrics.51Apache-2.0
sql-orm-cliCommand-line tooling for sql-orm.51MIT
worklane-schedulerOptional recurring cron scheduler that enqueues worklane jobs.51MIT OR Apache-2.0
worklane-pubsubOptional topic-to-lane fan-out layer built on the worklane facade.51MIT OR Apache-2.0
worklane-otelOptional OpenTelemetry trace-context propagation for worklane jobs.51MIT OR Apache-2.0
axess-eventsShared event vocabulary for the axess workspace and platform domains.
The Event<P> envelope carries cross-cutting metadata (id,…51MIT OR Apache-2.0
vanguards-rsEnhanced security for Tor hidden services through vanguard relay selection50Apache-2.0
coreon-metricsRoute metrics (counters + histograms) and a Prometheus text exporter for camel-rs.50Apache-2.0
coreon-timertimer:* component for camel-rs (periodic tick producer).50Apache-2.0
coreon-beanbean:* component for camel-rs (named processor registry).50Apache-2.0
coreon-filefile:* component for camel-rs (poll-based consumer + file producer).50Apache-2.0
cruxaiAn agentic DSL for Rust — inspectable, serializable, replayable agent execution50MIT
nomad-protocolNOMAD Protocol - Network-Optimized Mobile Application Datagram. A secure UDP-based state synchronization protocol.50MIT OR Apache-2.0
mielinMielinOS - A microkernel-based operating system for distributed AI agents with neural mesh networking50MIT OR Apache-2.0
pe-memoryMemory and checkpointing for Potential Expectations — SurrealDB store, cache layer, and conversation checkpoints50MIT OR Apache-2.0
jesterky-actorjesterky host-side SDK: seam trait helpers, test doubles, and the replay driver.50MIT OR Apache-2.0
ccxt-flux-coreCore models and synchronization primitives for ccxt-flux-rs.50Apache-2.0
ailoop-mcpMCP (Model Context Protocol) adapter for ailoop50MIT OR Apache-2.0
dubbo-rs-macrosProcedural macros for Apache Dubbo Rust — #[dubbo_rs_service] and #[dubbo_rs_client]50Apache-2.0
hyperdhtRust implementation of hyperdht, peer announcements and connections on top of dht-rpc50MIT
snapd-rs-artieUnnofficial Rust client library for the snapd REST API50GPL-3.0
kalshi-pmxAsync Rust client for Kalshi's Trade API and WebSocket streams.50MIT
dubbo-rs-protocol-dubboDubbo TCP binary protocol (Dubbo2 compatible) with Hessian2 body serialization50Apache-2.0
junctureTyped state machine framework for LLM agents - Rust implementation of LangGraph50Apache-2.0
jmap-filenode-clientJMAP FileNode HTTP client — extension trait over jmap-base-client50MIT OR Apache-2.0
agui-rsRust SDK for the AG-UI (Agent-User Interaction) protocol — facade crate50Apache-2.0
nanocodex-toolsCode Mode and heterogeneous tool runtime for Nanocodex50MIT OR Apache-2.0
catloafcore-affine, thread-local, opinionated actor framework.49BSD-3-Clause
rig-ballistaApache Ballista + DataFusion + Iceberg companion crate for rig-compose. Scaffolding; iceberg-rust integration pending toolchain…49MIT OR Apache-2.0
runledger-tuiRead-only terminal UI for monitoring Runledger jobs and workflows49MIT
jamjet-apiJamJet REST API server — control plane for workflow management49Apache-2.0
pyturesBridging Rust Futures and Python Coroutines49BSD-3-Clause
omnitrackUniversal issue-tracker provider contracts and clients (Linear, Jira, ...) for Rust, in one crate.49MIT OR Apache-2.0
armature-cloudrunGoogle Cloud Run deployment utilities for Armature applications49Apache-2.0
futures-dagA dynamic DAG scheduler for async futures.
Provides a Stream-based API that executes futures only after all
their dependencies…49MIT
dubbo-rs-loggerLogging abstraction for Apache Dubbo Rust based on tracing-subscriber49Apache-2.0
pe-prebuiltPrebuilt agent topologies for Potential Expectations — ReAct agent, messages state, tool conditions, and middleware49MIT OR Apache-2.0
beanstalkd-rsMinimal rust beanstalkd client49MIT
nexo-persona-installerInstall / list / remove v2 persona packs from GitHub Releases (cody-cli-install Phase F3).49MIT OR Apache-2.0
dubbo-rs-serialization-protobufProtobuf serialization for Apache Dubbo Rust49Apache-2.0
dubbo-rs-registry-nacosNacos-based service registry for Apache Dubbo Rust49Apache-2.0
solti-execSolti SDK jobs execution crate.49Apache-2.0
kapi-controllerController-runtime SDK for building kapi controllers49MIT OR Apache-2.0
jmap-sharing-clientJMAP Sharing HTTP client — extension trait over jmap-base-client (RFC 9670)49MIT OR Apache-2.0
mocra-coreThe mocra crawler framework runtime: errors, cache, utilities, domain models, downloader, data-plane queue, coordination,…49MIT OR Apache-2.0
adk-ralphRalph - Multi-Agent Autonomous Development System powered by ADK-Rust48Apache-2.0
acceptor-allocalloc-based acceptors built on the accepts core traits48MIT OR Apache-2.0
runiteAn event-loop-per-thread async runtime built on io_uring (Linux), kqueue (macOS), and IOCP (Windows)48MIT OR Apache-2.0
acceptorno_std bundle of thin acceptors built on the accepts core traits48MIT OR Apache-2.0
chronon-telemetryTelemetrySink trait and console/no-op adapters for Chronon48MIT
crossio-epollLinux epoll backend for crossio48MIT OR Apache-2.0
boson-runtimeBoson worker engine, builder, and enqueue orchestration48MIT
hinge-rsUnofficial typed Hinge API client for Rust, with REST, Sendbird chat, and generated OpenAPI docs.48MIT OR Apache-2.0
kyronkyron: async runtime with functional safety (ISO)48non-standard
onechat-sdkRust SDK for 1chat.xyz (gRPC-Web + server streaming)48MIT
aidaleAidale - Elegant Rust AI SDK inspired by OpenDAL48MIT OR Apache-2.0
async-sctpAsync SCTP for Rust and Python — a tokio wrapper over the Linux kernel SCTP stack (lksctp), with multihoming, per-message…48MIT
purwaThe fundamental Rust web framework — facade re-exports48MIT
application-toys-macrosProcedural macros for application-toys — makes async trait methods dyn-compatible via #[asynchronous]48non-standard
axum-security-oauth2A minimal OAuth2 client library, part of the axum-security workspace48MIT
agentumMulti-Agent Orchestration at Scale48MIT
flowdRedis Streams-backed task queue with a derive macro for automatic struct ↔ redis::Value mapping. Supports tokio and smol.48MIT OR Apache-2.0
atd-server-httpStreamable-HTTP (MCP JSON-RPC) transport for ATD-speaking servers — pair with atd-runtime, sibling of atd-server (Unix-socket…48Apache-2.0
openapi-cli-rsCLI client for Openapi.com APIs48MIT
ailoop-anthropicAnthropic Messages API adapter for ailoop48MIT OR Apache-2.0
motosan-agent-orgEmbeddable control plane for organizations of AI agents — companies, agents, issues, budgets, approval gates, schedules,…48MIT OR Apache-2.0
otel-initOpenTelemetry provider and subscriber initialization with lifecycle management.48MIT/Apache-2.0
greyhound-busBroadcast bus for Rust: fire-and-forget, partitioned, replay-from-cursor, and acknowledged delivery in one crate.48MIT
twikit-rsRust Twitter/X scraper API client inspired by twikit48GPL-3.0-only
jmap-tasks-clientJMAP Tasks HTTP client — extension trait over jmap-base-client48MIT OR Apache-2.0
llm-pipelineReusable node payloads for LLM workflows: prompt templating, Ollama calls, defensive parsing, streaming, and sequential chaining48MIT
acceptor-stdstd-based acceptors built on the accepts core traits47MIT OR Apache-2.0
crossio-kqueueBSD/macOS kqueue backend for crossio47MIT OR Apache-2.0
nt-streamingReal-time market data streaming for Neural Trader - WebSocket connections to exchanges47MIT OR Apache-2.0
agenda-rsA lightweight, stateful job queue for Rust backed by PostgreSQL with sqlx. Inspired by AgendaJS.47MIT
boson-macrosProc macros for Boson work engine (#[boson::task])47MIT
instancyAn async reimplementation of timely-dataflow built on Tokio47MIT
tencentcloud-sms腾讯云短信服务 Rust SDK - 类型安全、异步高性能的短信 API 客户端47MIT
ambitious-macrosProcedural macros for ambitious47MIT OR Apache-2.0
kumihoRust SDK for Kumiho Cloud - Graph-native creative & AI asset management47MIT
entidb_sync_engineSync state machine and engine for EntiDB47MIT OR Apache-2.0
MagicStateMachinesErgonomic typestate wrappers for compiler-enforced state machines with separable contracts47MIT OR Apache-2.0
pincerDeclarative HTTP client for Rust, inspired by OpenFeign47MIT OR Apache-2.0
ambitiousErlang-style concurrency for Rust47MIT OR Apache-2.0
bouncingA flexible async debouncer for Rust with cancellation support, max wait limits, and event hooks47MIT
saberdbA blazingly fast, simple JSON database for Rust47MIT
hotaru_io_futuresfutures-io adapter backend for Hotaru47MIT
xai-rustRust SDK for the xAI API (Grok models)47MIT
dubbo-rs-tracingOpenTelemetry distributed tracing for Apache Dubbo Rust with W3C Trace Context propagation47Apache-2.0
dubbo-rs-registry-zookeeperZooKeeper-based service registry for Apache Dubbo Rust47Apache-2.0
dubbo-rs-registry-etcdEtcd-based service registry for Apache Dubbo Rust47Apache-2.0
redis-sentinel-poolAn async Redis Sentinel-aware connection pool built on top of redis-rs and bb8, with transparent master failover.47MIT OR Apache-2.0
dubbo-rs-configcenter-nacosNacos-backed configuration center for Apache Dubbo Rust47Apache-2.0
rockskyAsync Rust SDK for the Rocksky XRPC API.47MIT
jmap-chat-clientJMAP Chat HTTP client — auth-agnostic, WebSocket and SSE support47MIT OR Apache-2.0
arc-coreEvent sourcing primitives for arc framework (headless, no web dependencies)47MIT
mongrel-macrosProc-macro crate for Mongrel — derive macros for Schema and Model47MIT
pi-oxidized-aiProvider-agnostic AI model APIs and streaming for pi-oxidized46MIT
dbos-coreA Rust port of DBOS Transact: durable workflow orchestration on Postgres or SQLite46MIT
axum-login-bearerExtending axum-login to support bearer tokens.46MIT
coalesce-workerCoalescing worker thread with generation-counter stale-result rejection — the discipline needed to run tree-sitter (or any…46MIT
ubl-officeExecution environment for LogLine Agents: lifecycle, memory, and I/O coordination.46MIT
binance-api-clientAsync Rust client for Binance Spot REST and WebSocket APIs.46MIT
kafka-remapper-coreCore library for Kafka partition remapping proxy46Apache-2.0
tokio-anysocketAbstracted API over tokio's TCP and Unix streams.46Apache-2.0
reqkitProduction-focused client-side HTTP requester (hyper + rustls): HTTPS-only, pooling, timeouts, body caps, gzip/deflate/br…46MIT OR Apache-2.0
callosumZero-copy shared memory IPC for Rust46MIT OR Apache-2.0