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.
ansiq-runtimeApplication loop, focus routing, subtree replacement, and redraw orchestration for Ansiq.68MIT
faucet-source-kinesisAWS Kinesis Data Streams source connector for faucet-stream (sharded consumer, resumable checkpoints)68MIT OR Apache-2.0
plumbob-asyncAsync FRL link training state machine for HDMI 2.168MPL-2.0
vecboostHigh-performance embedding vector service written in Rust68MIT
issue-provider-jiraJira issue-tracker driver for issue-provider-core68MIT OR Apache-2.0
coralstack-cmd-ipc-mcpMCP server adapter that exposes a coralstack-cmd-ipc CommandRegistry as Model Context Protocol tools68MIT
async-llmAsync Rust client for LLM APIs - Anthropic Messages API today; fork of async-anthropic with thinking-block and prompt-cache…68MIT
notify-twophaseTwo-phase notify-debouncer-full setup: subscribe before bind, drain after, no startup-gap event loss.68MIT
agents-lab-llm-providersRust provider registry and lightweight clients extracted from Neo's LLM provider module68MIT
flowshield-coreCore traits and types for FlowShield — storage- and framework-agnostic traffic management and rate limiting for Rust.68MIT OR Apache-2.0
simple-groq-rsA simple, async Rust client for the Groq API (OpenAPI-compatible)67MIT OR Apache-2.0
tokilake-coreTokilake Core - High-performance tunnel gateway core library67MIT
ruststream-fredRedis / Valkey broker implementation (Streams) for the RustStream messaging framework, backed by fred.67Apache-2.0
krakyLightweight, production-ready Rust SDK for Kraken Exchange WebSocket API v2 with unique orderbook imbalance detection and…67MIT
faucet-common-deltaShared Delta Lake configuration and helpers for the faucet-stream source and sink connectors67MIT OR Apache-2.0
flowioSingle-threaded async runtime and TCP/UDP/SCTP/TLS transport library on Linux io_uring, with pooled allocation-avoiding fast paths67MIT OR Apache-2.0
luft-servicePresentation-free run/query API for Luft67MIT
pyde-rust-sdkRust SDK for the Pyde blockchain — account generation, signing, RPC client, contract interaction67Apache-2.0
Actorizerust actor framework66MIT OR Apache-2.0
kotoba-llmUnified multi-vendor LLM client abstraction, supporting providers such as OpenAI, Anthropic, Google Gemini, etc.66MIT
exchangeA minimal, configuration-driven HTTP reverse proxy built with hyper and tokio.66MIT
issue-provider-coreProvider-neutral contracts for issue trackers (Linear, Jira, ...)66MIT OR Apache-2.0
ur-macrosProcedural macros for ur66MIT OR Apache-2.0
esox_objectpoolHigh-performance, thread-safe object pool with async support, circuit breaker, eviction, health monitoring and Prometheus metrics66MIT
agentorAgent-native Actor runtime — an Actor-model execution platform designed for AI Agents66MIT
bzzz-coreBzzz core library - Declarative orchestration engine for AI Agents66MIT
cronlineLightweight Task Scheduling for Rust66MIT
edge-completionsTyped Rust SDK and CLI for OpenAI-compatible chat completions through Cloudflare66MIT OR Apache-2.0
soothe-clientWebSocket client for talking to a running soothe-daemon66MIT
luft-adaptersACP backend adapter for Luft66MIT
h2ts-serverMake a WebSocket look like raw TCP, and serve/proxy HTTP/2 over it. Framed by wslay for true sub-frame streaming. Includes the…66MIT
neuron-runtimeProduction runtime for AI agents — sessions, sub-agents, input/output guardrails, permission policies, and durable execution65MIT OR Apache-2.0
hornetmqA fast, Redis-backed job queue for Rust — fully compatible with BullMQ65MIT
async-reifyAsync computation inspector: extract continuation structure as step graphs65MIT OR Apache-2.0
outbox-kafkaKafka transport implementation for the oxide-outbox65MIT
agentmail-rsUnofficial typed Rust client for AgentMail (agentmail.to), the email API for agents.65MIT OR Apache-2.0
dubbo-rs-serverHigh-level server API for hosting Dubbo RPC services65Apache-2.0
clawdbThe cognitive database for AI agents — unified memory, semantic retrieval, branching, sync, and governance.65Apache-2.0
stateforward-hsmA hierarchical state machine runtime for Rust65MIT OR Apache-2.0
dx-serializerA token-efficient serialization format for LLM context windows with high-performance binary encoding65MIT OR Apache-2.0
hwhkit-integration-ossHwhKit Aliyun OSS (Object Storage Service) integration65MIT OR Apache-2.0
dht-rpcrust implementation of the DHT powering the hyperswarm stack65MIT
rustycog-frameworkFeature-gated RustyCog framework crate65MIT OR Apache-2.0
id_effect_sqlDriver-agnostic SQL client traits for id_effect — @effect/sql-style boundaries65CC-BY-SA-4.0
Actix-rsrust actor framework64MIT OR Apache-2.0
Acxusrust actor framework64MIT OR Apache-2.0
gemini-oxideA production-grade, fluent Rust SDK for the Google Gemini Headless CLI.64MIT
piyingFault-tolerant Async Actors Built on Tokio64MIT OR Apache-2.0
baskBuild Tasks: an async task-queue pipeline engine with pluggable IO, columnar formats, and predefined tasks64MIT OR Apache-2.0
goA runtime-agnostic Go-style concurrency library for Rust64MIT OR Apache-2.0
cronschedulerA high-performance async cron scheduler for Rust, supporting both async and blocking tasks with fine-grained scheduling policies.64SSPL-1.0
rakka-inference-runtime-openaiOpenAI Chat Completions provider for rakka-inference — implements ModelRunner against api.openai.com, with cost table, error…64Apache-2.0
cruxx-plannerGoal-to-pipeline planner for cruxx-script64MIT
libindigo-ffiFFI-based implementation of the INDIGO protocol client using C library64MIT
pe-matrixMatrix reasoning and empirical routing for Potential Expectations — tensor operations, convergence detection, and empirical…64MIT OR Apache-2.0
jesterky-coreThe jesterky orchestration core: pure graph execution, events, replay. No IO.64MIT OR Apache-2.0
ve_sdk火山引擎 SDK64MIT
stitch-syncReactive state-sync library bridging an in-memory store, fjall-backed local persistence, and MQTT-based remote sync.64Apache-2.0
snowfinchAuthentication and sessions for Rust tower/axum servers.64MIT
anycms-eventA type-safe, async event bus system for AnyCMS64MIT
gloamyRust-first autonomous agent runtime for CLI, channels, gateway, and hardware workflows.63MIT OR Apache-2.0
runite-proc-macrosProcedural macros (#[runite::main]) for the runite async runtime. Use via the runite crate; not intended for direct consumption.63MIT OR Apache-2.0
corgi🦀 Rust based RPC library on UDP63MIT
scanbridgeA unified, pluggable API for malware scanning with circuit breakers, policy enforcement, and audit logging63MIT
daaki-imapAn IMAP4rev1/IMAP4rev2 async client library63MIT
llm-anthropicAnthropic Messages API provider for the llm-cmd toolkit63MIT
llm-openaiOpenAI Chat API provider for the llm-cmd toolkit63MIT
tokio-multicastSmall Tokio helpers for UDP multicast send/receive.63MIT
local_buflocal_buf 是一个支持多线程异步的线程缓冲区63MIT
rustbox-sdkOfficial Rust SDK for Rustbox - run untrusted code in a kernel-enforced sandbox.63MIT
ping-tokioAsync ICMP ping library for Rust, built on Tokio and raw sockets.63BSD-2-Clause
autumn-harvest-redisRedis Streams task queue adapter for autumn-harvest62MIT OR Apache-2.0
weex_rust_sdkProfessional Rust SDK for WEEX Exchange - AI Wars ready with full API coverage, AI Log upload, Futures trading62MIT
rustdrivesyncProduction-ready CLI tool for one-way file synchronization with Google Drive. Features: dependency injection, rate limiting,…62MIT
rotor-wheelGeneral-purpose hierarchical timing wheel — heartbeat, one-shot delays, request timeouts62MIT OR Apache-2.0
overseerd-buildBuild-script helper for the Overseerd registration-backend seam: registers and (on linker-section-scarce targets, or when forced)…62MIT
oxi-lspThin LSP protocol adapter — JSON-RPC framing, lsp-types wrapper, async-process + async-lsp. Multi-server lifecycle lives in…62MIT
libindigo-rsPure Rust implementation of the INDIGO protocol client62MIT
starlab-signal-serverWebRTC signaling server for the Starlab MPC mesh — session discovery and device-to-device relay.62MIT OR Apache-2.0
ctxd-clientOfficial Rust SDK for the ctxd context substrate daemon.62Apache-2.0
peaveilA privacy-first peer discovery protocol based on probabilistic peer sampling, gossip, and metadata-resistant discovery.62CC0-1.0 OR MIT
harness-rs-tools-docsDocument-extraction tool (read_document) for harness-rs — parse PDF/Word/Excel/PowerPoint locally in pure Rust, and fall back to…62MIT OR Apache-2.0
Actor-rsrust actor framework61MIT OR Apache-2.0
toptlOfficial Rust SDK for the TOP.TL Telegram directory API — post stats, check votes, manage vote webhooks.61MIT
sqlx-exasol-cliCommand-line utility for sqlx-exasol.61MIT OR Apache-2.0
seekdb-rsRust SDK for SeekDB61Apache-2.0
rusty-genius-teaserTesting harness and verification for rusty-genius61MIT
claude-code-rsRust rewrite of the official Anthropic Claude Agent SDK (Python). Wraps Claude Code CLI via subprocess with bidirectional JSON…61MIT
oharness-providersLLM provider adapters (Anthropic, OpenAI, OpenRouter, Ollama, vLLM) for open-harness61MIT OR Apache-2.0
llm-storeJSONL conversation log storage for the llm-cmd toolkit61MIT
samara-signalsA high-performance signal library for Rust61MIT
bluetape-rs-asyncTokio-first async task helpers for bluetape-rs.61MIT
hanzo-computeHanzo AI - BitTorrent-style Decentralized Compute Protocol61MIT
triggerwareRust SDK for Triggerware.61MIT
tasttyEmbeddable pseudoterminal sessions for Rust applications61MIT
moo-transportImplementation of the MOO protocol, an HTTP-like bidirectional message protocol61MIT
audio-melMélodium audio processing library61EUPL-1.2
rstangoImplementation of the Tango distributed control system60Apache-2.0
autumn-harvest-cliCLI client for the autumn-harvest management API60MIT OR Apache-2.0
atomr-accel-trainDistributed training blueprints on atomr-accel-cuda: DataParallelTrainer, PipelineParallelTrainer, TensorParallelTrainer,…60Apache-2.0
async-reify-macrosAttribute proc macros for async-reify (e.g. #[trace_async])60MIT OR Apache-2.0
rusmes-acmeACME v2 client for RusMES — automatic TLS certificate provisioning and renewal with HTTP-01 and DNS-01 challenge support via…60Apache-2.0
temporal-proto-runtimeRuntime helpers for protoc-gen-rust-temporal generated clients (TypedProtoMessage wire-format glue)60MIT
angzarr-clientErgonomic Rust client for Angzarr CQRS/ES framework60AGPL-3.0-only
celers-cliCommand-line interface for CeleRS worker and queue management60Apache-2.0
em_filterRust SDK for building Emergence network agents — connect to em_disco, handle queries, return results.60non-standard
nomadnet-rsRust library for NomadNet Node Hosting and browsing over Reticulum60MIT
muxisHigh-performance Redis client for Rust with multiplexing60MIT OR Apache-2.0
webhook-dispatcherIn-process webhook delivery engine with retries, DLQ, signatures, rate limits, and pluggable storage.60MIT
intercom-rsA fully typed async wrapper for NATS with JetStream support60MIT
adk-rs-fluentFluent DX for Gemini Live — builder API, operator algebra, composition modules60MIT
ruxnoA fast, ergonomic Rust web framework with clean architecture60MIT OR Apache-2.0
boltz-acpxAgent Client Protocol (ACP) client + session runtime for Rust — handshake, session create/resume/load with reconnect, per-session…60Apache-2.0
luftLuft — multi-agent orchestration runtime60MIT
faucet-kafka-commonShared configuration types for the faucet-stream Kafka source and sink connectors59MIT OR Apache-2.0
photon-macrosProc macros for Photon pub/sub (#[photon::topic], #[photon::subscribe])59MIT
quic-reverseReverse-initiated, multiplexed services over QUIC59Apache-2.0
cellos-fleetS3-queue fleet dispatch agent for CellOS — pulls pending cell specs from S3, claims them, hands off to a local cellos-supervisor.59MIT OR Apache-2.0
legendStrict, composable saga VM for sequential workflows with compensation59MIT
daaki-smtpAn async SMTP client library59MIT
descry-tool-coreCore traits and types for descry-tool framework59MIT
bunnydb-httpAsync HTTP client for Bunny.net Database SQL pipeline API — native and WASM (Bunny Edge Scripts)59MIT
cloudiful-rate-limiterReusable async resource throttling with local and Valkey-backed backends.59Apache-2.0
faucet-source-deltaApache Delta Lake source for the faucet-stream ecosystem — local FS + S3/Azure/GCS, time travel59MIT OR Apache-2.0
duroxide-cdbA CosmosDB-based provider implementation for Duroxide, a durable task orchestration framework59MIT
dtact-ioI/O utilities for Dtact: A non-preemptive, stackful coroutine runtime featuring a lock-free context arena, P2P mesh scheduling,…59MIT or Apache-2.0
rift-clientDEPRECATED — use `rifts` crate with feature `client` instead59MIT OR Apache-2.0
genjaA plugin-based Rust framework for executing tasks across multiple hosts with inventory filtering, hierarchical task execution,…59MPL-2.0
ara-comCore traits and async abstractions for Adaptive AUTOSAR communication in Rust58MIT OR Apache-2.0
atomr-accel-cuda-realtimeInteractive-rate GPU actor blueprints on atomr-accel-cuda: ImageFilterPipeline, ParticleSystemActor, SpatialIndexActor,…58Apache-2.0
boson-telemetryBoson OpsLog telemetry port58MIT
yamimeComplete Rust port of Go's mime package with async-first design58MIT OR Apache-2.0
firebase-rust-sdkUnofficial Rust port of Firebase C++ SDK58MIT
rskit-statefulStateful accumulators with triggers, measurers, and TTL cleanup58MIT
openai-agentsOpenAI Agents SDK for Rust - A lightweight framework for building multi-agent workflows58MIT
openrouter-clientIdiomatic async Rust SDK for the OpenRouter API.58Unlicense
taskgraph-rsNASA-grade, zero-dependency DAG task orchestrator for Rust58MIT
mip-clientRust client for the MIP (MSIP) protocol with async support and event handling.58MIT
disposition_irSVG diagram generator intermediate representation.58MIT OR Apache-2.0
soul-gatewaysMessaging gateway implementations for soul-core agents — Telegram, iMessage, WhatsApp58MIT
yot_runA work-stealing, multi-threaded async executor with non-blocking scheduling.58MIT OR Apache-2.0
spine-coreCore engine for the SPINE bioinspired agentic browser58AGPL-3.0-or-later
faucet-source-spannerGoogle Cloud Spanner query source connector for the faucet-stream ecosystem58MIT OR Apache-2.0
specta-openapiExport your Rust types to OpenAPI58MIT
forgedb-changefeedSchema-agnostic change-feed broadcast + durable resumable broker primitive for ForgeDB generated servers58MIT OR Apache-2.0
wae-queueWAE Queue - 消息队列抽象层,支持内存队列、Redis 和 RabbitMQ57MIT
dig-serviceGeneric Service<N, A, R> orchestration scaffold shared by every DIG Network binary. Lifecycle hooks, TaskRegistry, ShutdownToken…57Apache-2.0 OR MIT
rusticx-macrosProcedural macros (#[derive(Model)]) for the Rusticx multi-database ORM57MIT
rusmes-loadtestMulti-protocol load testing tool for RusMES — concurrent SMTP, IMAP, and JMAP load generation with HDR histogram latency…57Apache-2.0
avl-queueAVL Queue - High-performance message queue and event streaming for AVL Cloud57MIT OR Apache-2.0
agent-graph-mcpMCP server for graph-orchestrated LLM workflows — 25 typed tools, daemon/proxy architecture, checkpoint/resume, HITL approvals,…57MIT
topstatsRust SDK for the TopStats.gg API - Discord bot statistics tracking57MIT
serde_resolveRecursively traverse and transform strings in serde structs.57MIT
batchyTransparently batch concurrent requests into efficient bulk operations57MIT
typeway-serverServer runtime for the typeway type-level web framework57MIT OR Apache-2.0
dscode-lspLanguage Server Protocol client, manager, and connection pool for DSCode57MIT
folkReference binary for Folk PHP application server57MIT
mshrOpinionated wrapper over iroh: per-machine Ed25519 identity, ALPN-multiplexed Endpoint, composed peer discovery (mDNS /…57MIT OR Apache-2.0
worklane-cliOperator CLI for inspecting and maintaining worklane brokers57MIT OR Apache-2.0
rust-webx-corerust-webx core traits: IRequest, IRequestHandler, IMiddleware, IHttpContext, IMediator, and more57MIT
teto-dpdkRust bindings for F-Stack — high-performance userspace TCP/UDP via DPDK, bypassing the Linux kernel network stack entirely.57AGPL-3.0-only
nanocodex-coreTyped model, event, and Responses protocol primitives for Nanocodex57MIT OR Apache-2.0
irkki-coreThe irkki core library.56MIT
ai-sdk-rustRoot crate for all AI SDK-related crates.56MIT OR Apache-2.0
crous-ioAsync IO adapters, framed streams, and mmap reader for Crous56MIT OR Apache-2.0
wae-cacheWAE Cache - 缓存服务抽象层,支持内存缓存56MIT
temporal-agent-rsDurable AI agent execution on Temporal using AutoAgents traits.56MIT
turul-a2a-patternsReusable A2A skill-authoring patterns: SKILL.md manifest, SkillHandler / SkillRegistry / SkillProgressSink / TerminalHook…56MIT OR Apache-2.0
armature-storageMultipart file upload and storage handling for Armature56Apache-2.0
syncopateA hierarchical, power-aware task scheduler for Rust applications requiring precise timing control56MIT OR Apache-2.0
avx-eventsEvent-driven architecture for Avila Experience Fabric - Pub/sub, event bus, and message patterns56MIT OR Apache-2.0
dewebsocketA high-performance WebSocket server library for Rust56MIT
helixrouterAdaptive async compute routing engine: per-job strategy selection (inline/spawn/pool/batch/drop) driven by live pressure, EMA…56MIT
alopex-chirpsAlopex Chirps - Distributed cluster coordination with Raft consensus56Apache-2.0 OR MIT
slotstrikeLow-latency Solana slotstrike runtime for event-driven token execution56MIT
ur-coreProvider-agnostic core types for ur56MIT OR Apache-2.0
ri-agent-graphGraph-based agent orchestration for Rust — LangGraph-inspired execution engine with checkpointing, parallel fan-out/fan-in,…56MIT
axum-securityA security toolbox for the Axum library56MIT
hyphen-sinksCanonical diagnostic sink implementations — file, background, webhook, OTLP, and tokio56MIT OR Apache-2.0
mcpaasRadio Protocol client for FAF — broadcast AI context once, all tools receive. Client SDK for mcpaas.live.56MIT
cacheflightCache-backed deduplication for async Rust services with stale-while-revalidate support56MIT OR Apache-2.0
bzb-coreCore library for bzb — async helpers for talking to pueued, enqueuing tasks, streaming logs, and snapshotting queue state.56MIT OR Apache-2.0
faucet-source-databricksDatabricks SQL query source (Statement Execution API) for the faucet-stream ecosystem56MIT OR Apache-2.0
jupiter-clientA type-safe, asynchronous Rust client for the Jupiter Aggregator API on Solana. Facilitates seamless token swaps, route finding,…56MIT
wireframe_testingHelper utilities for exercising Wireframe applications in tests56ISC
typeway-macrosProcedural macros for the typeway web framework56MIT OR Apache-2.0
hydracache-sim-wasmwasm-bindgen bindings for the deterministic HydraCache simulator.56Apache-2.0
specta-kotlinExport your Rust types to Kotlin56MIT
faucet-bigquery-commonShared credentials and client construction for the faucet-stream BigQuery source and sink connectors55MIT OR Apache-2.0
faucet-snowflake-commonShared configuration types for the faucet-stream Snowflake source and sink connectors55MIT OR Apache-2.0
armature-http-clientHTTP client with retry, circuit breaker, and timeout support for Armature55Apache-2.0
tailtriageDefault crate and entry point for tailtriage Tokio tail-latency triage55MIT
treadleA persistent, resumable, human-in-the-loop workflow engine backed by a petgraph DAG55MIT OR Apache-2.0
solti-observeSolti SDK structured logging, timezone sync, and task-lifecycle subscriber.55Apache-2.0
qrpcqrpc is a small QUIC + mTLS messaging library55MIT
cellos-projectorProjection layer for CellOS — consumes JetStream CloudEvents into in-memory cell/formation state. Used by cellos-server.55MIT OR Apache-2.0
fossicEvent-sourced substrate for the Lattica local-first tooling ecosystem. Consumers emit events to per-project stores; a central hub…55MIT
rusmes-serverMain server binary for RusMES — orchestrates SMTP, IMAP, POP3, and JMAP protocol servers with unified configuration, graceful…55Apache-2.0
testkit-asyncPractical testing tools for async Rust - time control, deterministic execution, and failure injection55MIT
whisprA general-purpose voice <-> crate — text-to-speech, speech-to-text, and audio-to-audio transformations. Also supports realtime…55MIT