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.
mini_langchain_coreA low-cost, cross-language LangChain implementation24MIT
azcacheUnified cache backend for Redis and Memcached24MIT
typewayType-level web framework for Rust: your API is a type24MIT OR Apache-2.0
xletDistributed AI Agent orchestration infrastructure. [O]24Apache-2.0
phoenix-channel-runtime-nativeNative WebSocket transport for phoenix-channel-runtime24MIT
ferroquent-inflectEnglish inflection (pluralize/snake/studly) for Ferroquent's derive macros24MIT
gsc-gcraHigh-performance GCRA (Generic Cell Rate Algorithm) rate limiting library23MIT
llm-kit-xaixAI (Grok) provider implementation for the LLM Kit - supports chat, image generation, and agentic tools23MIT
mpc-coreA flexible, trait-based core framework and asynchronous execution engine for Multi-Party Computation (MPC) protocols.23MIT OR Apache-2.0
taskbot-rsScheduler Rust to repetitive task with retry, timeout, logs et callbacks.23MIT OR Apache-2.0
elizaos-plugin-discordDiscord plugin for elizaOS - Rust implementation with serenity23MIT
elizaos-plugin-cronelizaOS Cron Plugin - scheduled job management23MIT
ferripfs-networkIPFS networking with libp2p - DHT, Bitswap, and peer-to-peer connectivity23MIT OR Apache-2.0
tanhaPlatform SDK for building autonomous agent systems.23MIT
cache-kitA type-safe, fully generic, production-ready caching framework for Rust23MIT
machi-integrationsThird-party platform integrations for Machi AI Agent Framework23MIT OR Apache-2.0
elizaos-plugin-farcasterFarcaster plugin for elizaOS - Rust implementation for casting and receiving messages via Neynar API23MIT
elizaos-plugin-feishuFeishu/Lark plugin for elizaOS - Rust implementation23MIT
skg-provider-codexOpenAI Codex (Responses API) provider for skg-turn23MIT OR Apache-2.0
infraiUnified online infrastructure SDK that AI coding agents auto-import. 25+ services, one key, one wallet, one bill. Placeholder…23MIT
seesaw-kafkaKafka backend for Seesaw event-driven orchestration23MIT
elizaos-plugin-nextcloud-talkNextcloud Talk plugin for elizaOS - Rust implementation with webhook bot integration23MIT
elizaos-plugin-pdfelizaOS PDF Plugin - PDF reading and text extraction23MIT
stdexec-rsA Rust port of C++ stdexec (P2300) — Senders/Receivers for structured concurrency23MIT
pinchoOfficial Rust Client Library for Pincho - Send push notifications with async/await support23MIT
elizaos-plugin-xaielizaOS xAI Plugin - Grok models and X (formerly Twitter) API integration23MIT
arrowmaxHigh-performance Arrow data stack: columnar storage, zero-copy streaming, and schema codegen23MIT
acmapAn actor-style sharded async map inspired by DashMap-like APIs.23MIT
predict-fun-rsBlazing fast async Rust SDK for Predict.fun REST API23MIT
llm-budgetAutonomous cost governance primitives — hard budget enforcement across agent fleets23MIT
pipelin3rPipeline orchestration for LLM-powered workflows23MIT
genos-cliScaffolding CLI for the Genos web framework23MIT
runqMacro-based job orchestrator with distributed locking and automatic retries23MIT
anthropic-rs-sdkUnofficial Rust SDK for the Anthropic API (community port of anthropic-sdk-go)23MIT
neuron-auth-fileFile-based auth provider that reads a bearer token from disk23MIT OR Apache-2.0
neuron-secret-envSecret resolver that reads from process environment variables23MIT OR Apache-2.0
neuron-secret-keystoreStub secret resolver for OS keystore (macOS Keychain, Windows DPAPI, Linux Secret Service)23MIT OR Apache-2.0
neuron-crypto-hardwareStub crypto provider for PKCS#11 / YubiKey PIV hardware tokens23MIT OR Apache-2.0
checkstream-proxyHigh-performance HTTP/SSE proxy server for LLM guardrails with sub-10ms latency23Apache-2.0
dubbo-rsApache Dubbo Rust — unified Instance entry point combining Server and Client23Apache-2.0
oauth2-pg-storePostgreSQL-backed secure token store for OAuth2 in Rust. Hashes tokens with BLAKE3 (never plaintext), supports revocation,…23MIT
aliyun-dypns-sdkAsync Rust SDK for Aliyun DYPNS SMS verification code APIs.23MIT
synwire-deriveProcedural macros for Synwire (#[tool], #[derive(State)])23MIT OR Apache-2.0
daaki-pop3An async POP3 client library23MIT
elizaos-plugin-bluebubblesBlueBubbles iMessage bridge plugin for ElizaOS agents23MIT
elizaos-plugin-blooioelizaOS Blooio Plugin - messaging via Blooio platform23MIT
synwire-checkpoint-sqliteSQLite checkpoint backend for Synwire23MIT OR Apache-2.0
agentlibModular and extensible framework for building sophisticated AI agents in Rust23MIT
synwire-mcp-serverStandalone MCP server binary exposing Synwire tools via stdio transport23MIT OR Apache-2.0
trendy-cliA CLI tool for fetching posts from Reddit and Hacker News with AI chat capabilities23MIT
nexo-rsNexo — multi-agent Rust framework: NATS event bus, pluggable LLM providers, channels (WhatsApp, Telegram, Email, Browser),…23MIT OR Apache-2.0
timerwheelHierarchical timer wheel for delayed task scheduling with pluggable executors.23Apache-2.0
redis-tower-coreCore connection and Service implementation for redis-tower23MIT OR Apache-2.0
ferroquent-schemaFerroquent schema support23MIT
millipede-httpHttpCrawler for the Millipede web crawler: reqwest-based HTTP fetching.23MIT OR Apache-2.0
easi-jobIn-process periodic-job primitive (Schedule + JobSet) with graceful shutdown. Not a queue.23MIT
ruapc-bufpoolA high-performance Rust RPC library supporting TCP, WebSocket, HTTP/2, and RDMA transports23MIT OR Apache-2.0
crux-domainPure domain types for the crux agentic DSL — no async, no LLM deps23MIT
ticketingLightweight async client for a network distributed lock system: acquire and release named locks (tickets) over TCP, with…23MIT
librsigstopupSuper safe library untuk simulasi perhitungan top-up dengan JSON API, verbose logging, dan full trace22MIT
openhelmAI-powered Telegram bot and daemon with a configurable skill and tool system22MIT
elizaos-plugin-shellelizaOS Shell Plugin - Shell command execution with directory restrictions and history tracking22MIT
elizaos-plugin-codeelizaOS Code Plugin - filesystem + shell + git (restricted)22MIT
elizaos-plugin-commandselizaOS Commands Plugin - command registry and built-in commands22MIT
elizaos-plugin-zalouserZalo Personal Account plugin for elizaOS - Rust implementation via zca-cli22MIT
starioa placeholder22MIT OR Apache-2.0
elizaos-plugin-auto-traderelizaOS Auto Trader Plugin - automated trading strategies22MIT
elizaos-plugin-clielizaOS CLI Plugin - CLI framework and command registration22MIT
elizaos-plugin-copilot-proxyelizaOS Copilot Proxy Plugin - OpenAI-compatible local proxy for VS Code Copilot22MIT
elizaos-plugin-msteamsMicrosoft Teams plugin for elizaOS - Rust implementation with Bot Framework support22MIT
indicator_math_statefull_pararellFetch OHLCV candle data from Deriv.com and compute technical indicators in parallel22MIT
watchable-rsObservable values with change tracking and async support22MIT OR Apache-2.0
ina2227Texas Instruments INA2227 driver.22MIT
oxify-apiGraphQL and REST API server for OxiFY AI orchestration platform22Apache-2.0
topiqLightweight TCP-based pub/sub message broker22MIT OR Apache-2.0
ustreamer-transportWebTransport server (QUIC/HTTP3 via quinn) with WebSocket fallback22MIT OR Apache-2.0
meld-serverSingle-port REST + gRPC server framework with FastAPI-like DX for Rust.22MIT
skg-state-fsFilesystem-backed StateStore implementation for skelegent22MIT OR Apache-2.0
elizaos-plugin-instagramInstagram plugin for elizaOS - Rust implementation22MIT
skg-provider-openaiOpenAI API provider for skg-turn22MIT OR Apache-2.0
gdr2333_httpclientA C#-style HttpClient API surface for async Rust, backed by tokio + rustls.22Apache-2.0
rustycrabA Rust-native agentic orchestrator for building, composing, and managing AI agent workflows22MIT
elizaos-plugin-proseelizaOS OpenProse Plugin - A programming language for AI sessions and multi-agent orchestration22MIT
elizaos-plugin-telegramTelegram plugin for elizaOS - Rust implementation with teloxide22MIT
hexeract-schedulerBackend-agnostic scheduling primitives for the Hexeract messaging framework22MIT OR Apache-2.0
structured-json-agentA typed and extensible library for creating and running Iterative AI Agents that generate structured JSON output.22MIT
bevy_rigBevy ECS primitives and systems for modeling providers, agents, tools, sessions, runs, and workflows on top of Rig.22MIT
webtransport-rsAn async-native WebTransport stack for Rust.22Apache-2.0
elizaos-plugin-local-aielizaOS Local AI Plugin - Local LLM inference for text, embeddings, vision, and audio22MIT
bittorrent-rsA pure-Rust BitTorrent protocol library supporting Magnet links, DHT, uTP, and NAT-PMP.22MIT OR Apache-2.0
mprisdA distributed MPRIS daemon22MIT
seaorm-soft-deleteSoft-delete support for SeaORM entities22MIT
mcp-kit-gatewayMCP Gateway — proxy tools, resources, and prompts from upstream MCP servers22MIT
chimeraUnified async Rust SDK for AI coding agents (Claude Code, Codex, OpenCode)22MIT
neuron-hook-securitySecurity hooks for neuron — redaction and exfiltration detection22MIT OR Apache-2.0
flashqHigh-performance Rust client for flashQ job queue22MIT
elizaos-plugin-lobsterelizaOS Lobster Plugin - Workflow runtime for multi-step pipelines with approval checkpoints22MIT
harness-rs-serveMulti-session serving core for harness-rs agents: pluggable auth, session store, per-request identity, and wired audit trail.…22MIT OR Apache-2.0
neuron-auth-staticStatic auth provider that always returns the same token (dev/test)22MIT OR Apache-2.0
neuron-auth-oidcStub OIDC client credentials / token exchange auth provider22MIT OR Apache-2.0
neuron-auth-k8sStub Kubernetes ServiceAccount projected token auth provider22MIT OR Apache-2.0
neuron-secret-vaultStub secret resolver for HashiCorp Vault KV22MIT OR Apache-2.0
neuron-secret-awsStub secret resolver for AWS Secrets Manager22MIT OR Apache-2.0
neuron-secret-gcpStub secret resolver for GCP Secret Manager22MIT OR Apache-2.0
xyntheA unified orchestration framework for autonomous intelligence with temporal continuity22non-standard
neuron-secret-k8sStub secret resolver for Kubernetes Secrets22MIT OR Apache-2.0
neuron-crypto-vaultStub crypto provider for Vault Transit engine22MIT OR Apache-2.0
pg-queuePostgreSQL job queue, pub/sub, and cache using SKIP LOCKED and LISTEN/NOTIFY22MIT OR Apache-2.0
socketioxide-postgresPostgreSQL adapter for socketioxide22MIT
sui-event-streamReal-time on-chain event streaming for Sui - fills the gRPC SubscribeEvents gap22MIT
bunnydb-rsAsync HTTP client for Bunny.net Database SQL pipeline API — native and WASM (Bunny Edge Scripts)22MIT
synwire-orchestratorGraph-based orchestration engine for Synwire22MIT OR Apache-2.0
kube-draA Rust library for building Kubernetes Dynamic Resource Allocation (DRA) drivers22Apache-2.0
async-boundsAttribute to declare bounds on the Future returned by an async fn22Apache-2.0 OR MIT
synwireConvenience re-exports and reference implementations for Synwire22MIT OR Apache-2.0
merkql-notify-sqsAWS SQS notification plugin for merkql22MIT
merkql-notify-webhookHTTP webhook notification plugin for merkql22MIT
tokioraftA minimal Tokio-based leader election library inspired by tinyraft22Apache-2.0
rain-engineAn event-sourced Rust kernel for building durable AI agent systems22MIT
motosan-workflow-swarmDynamic task queue execution engine for motosan-workflow22MIT
pine-clientAsync Rust client for the PCSX2 Pine IPC protocol.22MIT
heptagent-memory-tool-backendRust backend for the Anthropic memory_20250818 tool-call protocol — 6-command dispatcher with redb persistence + per-quest rate…22MIT
cel-memory-duckdbDuckDB embedded memory backend for AI agents, implementing cel-memory.22Apache-2.0
raft-corePure Raft consensus state machine — election, replication, snapshots. No networking, no async, no I/O.22MIT
dtact-utilAsync utilities for Dtact: I/O, filesystem, process, signal, stream and timer primitives with lock-free native…22MIT or Apache-2.0
yggrBatteries-included Raft node runtime built on yggr-core: tokio driver, TCP transport, segmented on-disk log.21MIT
arcp-axumaxum integration for the Agent Runtime Control Protocol (ARCP). Placeholder — integration coming in a future release.21MIT OR Apache-2.0
isocline-sdkUser-facing SDK for writing Isocline strategies. Strategies compile to a musl binary the Isocline gateway runs per scheduled…21MIT OR Apache-2.0
moeniaDefensive circuit breaker library for Rust21Unlicense
elizaos-plugin-gmail-watchGmail Pub/Sub watcher plugin for elizaOS - spawns gog gmail watch serve and auto-renews21MIT
elizaos-plugin-directiveselizaOS Directives Plugin - parse and manage agent directives21MIT
mill-rpcAn Axum-inspired RPC framework built on Mill-IO21Apache-2.0
lambda_runtime_contextTask-local runtime deadline helpers for async Rust workers and AWS Lambda handlers.21MIT OR Apache-2.0
topiq-serverTopiq message broker server binary21MIT OR Apache-2.0
hiver-wsSpring Web Services — SOAP/WSDL contract-first web services.
Hiver框架的SOAP/WSDL契约优先Web服务。
Equivalent to: Spring Web Services21MIT OR Apache-2.0
veinq-serverA lightweight message broker written in Rust21AGPL-3.0
merkql-notifyNotification trait and types for merkql event streaming21MIT
skg-provider-anthropicAnthropic API provider for skg-turn21MIT OR Apache-2.0
elizaos-plugin-todoelizaOS Todo Plugin - Task management with daily recurring and one-off tasks21MIT
elizaos-plugin-mattermostMattermost plugin for elizaOS - Rust implementation21MIT
desireA minimal Rust web application framework21Apache-2.0
gameflow-gameserver-sdkOfficial GameFlow SDK for dedicated game servers: lifecycle, automatic health reporting and player tracking.21Apache-2.0
embassy-hartAsync HART master for Embassy — combines AD5700-1 modem driver with hart-protocol codec21MIT OR Apache-2.0
elizaos-plugin-s3-storageelizaOS S3 Storage Plugin - AWS S3 and S3-compatible storage integration21MIT
elizaos-plugin-scratchpadelizaOS Scratchpad Plugin - File-based persistent memory storage with markdown frontmatter and TF-IDF search21MIT
elizaos-plugin-slackSlack integration plugin for elizaOS agents with Socket Mode support21MIT
elizaos-plugin-zaloZalo Official Account Bot API plugin for elizaOS - Rust implementation21MIT
elizaos-plugin-gatewayelizaOS Vercel AI Gateway Plugin - AI Gateway integration for text, embeddings, and images21MIT
elizaos-plugin-solanaSolana blockchain plugin for elizaOS - Rust implementation with wallet, transfer, and swap operations21MIT
elizaos-plugin-ttselizaOS TTS Plugin - text-to-speech coordinator with multi-provider support21MIT
reverieThe agent framework of your dreams.21MIT OR Apache-2.0
elizaos-plugin-tlonTlon/Urbit plugin for elizaOS - Rust implementation with SSE support21MIT
serverless-fnA Rust library for simplifying serverless function development and invocation21MIT
stm32wl-subghzSub-GHz radio driver for STM32WL-series microcontrollers21MIT
horizons-aiAsync Rust SDK for the Horizons REST API21non-standard
llm-circuit-breakerTiny circuit breaker for LLM API calls. Opens after N consecutive failures, half-opens to probe after a reset window, closes on…21MIT OR Apache-2.0
upbit-sdkRust SDK foundation for the Upbit REST API.21MIT OR Apache-2.0
alpha-core-frameworkHigh-performance modular Rust framework for async task orchestration and data pipelines.21MIT
polarway-busGeneric, domain-agnostic event bus with fan-out, filtering, and drain buffers21MIT
specta-cExport your Rust types to C21MIT
specta-csharpExport your Rust types to C#21MIT
nabiAn async runtime for Rust — io_uring-first, blazingly fast21MIT
quinn-deferred-configClientHello-based deferred ServerConfig selection for Quinn, without forking Quinn or rustls.21MIT OR Apache-2.0
xenith-syncState sync engine for xenith — push, read, and resolve across chains21MIT OR Apache-2.0
elizaos-plugin-imessageiMessage plugin for elizaOS agents (macOS)21MIT
kithara-workerPlaceholder for kithara-worker: worker pool component21MIT OR Apache-2.0
ditto-osA powerful Rust-based browser automation framework21MIT
llm-budget-windowTime-windowed token + USD budget. Define multiple rolling windows (e.g. $5/minute, $100/day) and reject when any window's cap…21MIT OR Apache-2.0
diesel_crudableGeneric, backend-agnostic CRUD traits and derive macros for diesel-async21MIT
rust-viewflowRust workflow library inspired by Viewflow, compatible with Axum and Actix-web21MIT OR Apache-2.0
chorus-clientQuorum write-ahead log for databases over GCS Rapid zonal buckets21Apache-2.0
tiangong-deepseekAn asynchronous Rust client for the DeepSeek API, supporting chat completions (with SSE streaming), model listing, and balance…21Apache-2.0
skelegentComposable async agentic AI framework for Rust21MIT OR Apache-2.0
phantom_osAn asynchronous, distributed operating system framework with IIT-based ECS architecture21Apache-2.0
merkql-notify-snsAWS SNS notification plugin for merkql21MIT
hl7v2-networkHL7 v2 MLLP network client and server (TCP/TLS)21AGPL-3.0-or-later
lmletDistributed AI Agent orchestration infrastructure. [O]21Apache-2.0
redis-tower-commandsTyped Redis command implementations for redis-tower21MIT OR Apache-2.0
dubbo-rs-codegenprotoc code generation plugin for Apache Dubbo Rust21Apache-2.0
ferroquent-migrationsFerroquent migrations support21MIT
cel-memory-postgresPostgreSQL + pgvector memory backend for AI agents, implementing cel-memory.21Apache-2.0
flowshield-memoryIn-memory storage backend for FlowShield — bounded, expiring, sharded per-key rate-limit state.21MIT OR Apache-2.0
flowshield-respShared RESP (Redis/Valkey) backend logic for FlowShield — atomic, server-side rate-limit state via Lua.21MIT OR Apache-2.0
millipede-htmlHtmlCrawler for the Millipede web crawler: HTML parsing via scraper.21MIT OR Apache-2.0
crux-runtimeCore types, traits, and runtime for the crux agentic DSL21MIT
carpoolDeduplicate and batch concurrent async requests through a collection window21MIT OR Apache-2.0
aetherdbAetherDB — hybrid in-RAM database (relational, graph, spatial, vector, time series)21GPL-3.0-only
camel-containerContainer utilities for rust-camel20Apache-2.0
sz-orm-authSZ-ORM Authentication & Authorization Extension20MIT
sz-orm-loggerStructured logger: multi-level (Debug/Info/Warn/Error) filtering with shared sink, LoggerFactory, and counters/gauges metrics20MIT
sz-orm-tracingSZ-ORM Tracing Extension - Distributed tracing with OpenTelemetry support20MIT
sz-orm-schedulerSZ-ORM Scheduler Extension - Task scheduling with cron support20MIT
sz-orm-storageSZ-ORM Storage Extension - 7 Cloud Storage Providers20MIT
sz-orm-limitRate limiting: token bucket, sliding window, per-user/IP/endpoint quotas20MIT
rok-scheduleIn-process cron-style task scheduler for the rok ecosystem20MIT
rekaAsync Rust SDK for the Reka API.20MIT
sz-orm-queueSZ-ORM Message Queue Extension - 6 MQ Providers (RabbitMQ/NATS/Pulsar/Kafka/ActiveMQ real, RocketMQ stub)20MIT
sz-orm-mqttSZ-ORM MQTT Extension20MIT
sz-orm-websocketSZ-ORM WebSocket Extension20MIT
ts-server-queryMinimal async TeamSpeak ServerQuery client for Tokio20MIT