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.
html-translation-lib高性能HTML翻译库,专为网页本地化设计,提供智能缓存、并发批处理和内存优化功能408MIT
agentlib-coreCore runtime and foundational traits for the AgentLib framework407MIT
reratui-panicPanic handling utilities for Reratui TUI framework407MIT OR Apache-2.0
harness-rs-permissionsPermission modes + per-tool allow/deny rules for harness-rs. Layers over the existing Hook system (PreToolUse gating) — gives…406MIT OR Apache-2.0
saorsa-aiUnified multi-provider LLM API405MIT OR Apache-2.0
stratneo-nautilus-persistence-macrosProcedural macros for custom data types (e.g. #[custom_data])405LGPL-3.0-or-later
magnetar-messagecryptoPIP-4 end-to-end message encryption for magnetar — AES-GCM data-key wrap via aws-lc-rs.405Apache-2.0
voip-msAsync client for the VoIP.ms REST API404MIT
nautilus-sandboxSandbox execution adapter for the Nautilus trading engine400LGPL-3.0-or-later
aion-rsTransport-agnostic Aion workflow engine with durability, replay, timers, and supervision.399AGPL-3.0-only
argentor-sessionSession management and message history storage for Argentor AI agents399AGPL-3.0-only
argentor-mcpModel Context Protocol client and credential vault for Argentor399AGPL-3.0-only
atomr-agents-channel-coreChannel + thread domain types for messaging-style transports (WhatsApp, Signal, Discord, in-memory). Defines the ChannelProvider…399Apache-2.0
pulsehive-coreCore traits and types for PulseHive multi-agent SDK399AGPL-3.0-only
go-librust native goroutines398Apache-2.0
harness-rs-tools-skillsLLM-facing skill-authoring tool for harness-rs agents: skill_manage (create/patch/edit/delete SKILL.md). Used by the learning…398MIT OR Apache-2.0
stratneo-nautilus-persistenceData persistence and storage for the Nautilus trading engine397LGPL-3.0-or-later
forge-jobs-apiAxum HTTP transport for forge-jobs. Pure async handlers over the storage trait surface (shared with in-process IPC bindings) +…397MIT OR Apache-2.0
oxigdal-cloudAdvanced cloud storage backends for OxiGDAL - Pure Rust cloud integration396Apache-2.0
volga-rate-limiterA lightweight and efficient rate-limiting library for Rust.396MIT
jmap-base-clientRFC 8620 JMAP base client — auth-agnostic, session fetch, blob, SSE, WebSocket396MIT OR Apache-2.0
justalock-clientA distributed lock powered by the justalock service395LGPL-3.0-only
ironclaw-coreCore traits and types for the IronClaw AI agent framework395MIT OR Apache-2.0
harness-rs-tools-tasksBackground-task primitives for harness-rs agents: a TaskStore trait + 4 tools (tasks_create, tasks_list, tasks_get, tasks_cancel)…395MIT OR Apache-2.0
alenia-nerveRust client library for the Alenia Nerve local IPC communication engine (UDS + TCP)395GPL-3.0-only
faucet-common-mssqlShared configuration, TLS, and connection-pool types for the faucet-stream MSSQL source and sink connectors395MIT OR Apache-2.0
prax-mongodbMongoDB database driver for Prax ORM394MIT OR Apache-2.0
atomr-agents-web-search-coreProvider-agnostic web-search trait, request/hit types, and a deterministic mock provider for tests.394Apache-2.0
async-graphql-wasm-valueGraphQL value for async-graphql-wasm393MIT OR Apache-2.0
nidus-testingTest application harness, request builders, response helpers, and provider overrides for Nidus.392MIT OR Apache-2.0
openclaw-providersAI provider clients for OpenClaw (Anthropic, OpenAI, etc.)391MIT
rumpsteak-aura-fsmSession types for asynchronous communication between multiple parties (Aura flavored).391MIT
agentwerkA minimal Rust crate that gives any application agentic capabilities.391MIT
picomenuNo-std + async library to build very simple menus391Apache-2.0
axocoatl-memory4-tier memory system and agent state checkpointing for Axocoatl391Apache-2.0
saorsa-gossipCanonical facade and CLI for the Saorsa Gossip post-quantum gossip stack391MIT OR Apache-2.0
latchlm-macrosMacros for LatchLM390MPL-2.0
tower-sessions-fs-storeFilesystem store for the tower-sessions crate390MIT
git-lfs-transferConcurrent transfer queue and basic adapter for Git LFS uploads and downloads389MIT
faucet-source-restREST API source connector for the faucet-stream ecosystem389MIT OR Apache-2.0
zakura-stateState contextual verification and storage code for the Zakura node. Internal crate, published to support cargo install zakura389MIT OR Apache-2.0
workersA robust async PostgreSQL-backed background job processing system388MIT OR Apache-2.0
atomr-infer-testkitTest kit for atomr-infer: MockRunner plus wiremock-based provider fixtures (MockOpenAi, MockAnthropic, MockGemini,…388Apache-2.0
telltale-transportReference TCP transport implementation for Telltale session types388MIT OR Apache-2.0
prax-mssqlMicrosoft SQL Server database driver for Prax ORM388MIT OR Apache-2.0
kaccy-dbDatabase layer for Kaccy Protocol - PostgreSQL, Redis, and distributed caching388Apache-2.0
ao-coreCore traits and types for the ao-rs agent orchestrator framework387MIT
qsslPure Rust post-quantum TLS — zero C code. ML-KEM, ML-DSA, SLH-DSA, Falcon. FIPS 203/204/205/206 compliant. 100 Lean 4 theorems.386MIT OR Apache-2.0
olyRun interactive CLIs and AI agents like managed services with persistent PTY sessions.386MIT
faucet-common-kafkaShared configuration types for the faucet-stream Kafka source and sink connectors386MIT OR Apache-2.0
claw-reflect-clientRust HTTP client for the claw-reflect service385Apache-2.0
alloraAllora: Rust-native Enterprise Integration Patterns (EIP) with channels, routing, correlation, and adapters.385Apache-2.0
nntp-rsHigh-performance async NNTP client with compression and connection pooling384MIT
paladin-ai-corePure domain types for the Paladin framework — zero infrastructure dependencies383MIT
axocoatl-toolsBuilt-in tool library and unified tool executor for Axocoatl383Apache-2.0
rustls_asyncAn async TLS stream wrapper based on rustls and futures-io. / 一个基于 rustls 和 futures-io 的异步 TLS 流封装库。382MulanPSL-2.0
souchy-tauri-spectaCompletely typesafe Tauri commands382MIT
sackA lock-free data structure for adding & retrieving items381MIT
tronz-primitivesLeaf primitive types for the tronz TRON SDK (Address, Trx, ResourceCode, signatures).381MIT OR Apache-2.0
isolate-integrationA Rust interface for the ioi/isolate sandbox program.380MIT
faucet-source-postgresPostgreSQL query source connector for the faucet-stream ecosystem380MIT OR Apache-2.0
aerosocket-serverWebSocket server implementation for AeroSocket380MIT OR Apache-2.0
rskvHigh-performance KV store inspired by Microsoft FASTER379MIT OR Apache-2.0
hitbox-httpCacheable HTTP Request and Response379MIT
s3-wireAn async, streaming S3-compatible client for Rust379Apache-2.0
teleErgonomic Telegram Bot API SDK for Rust, built on reqx378MIT
russh-extraHigh-level async SSH APIs built on top of russh.378MIT OR Apache-2.0
aerosocket-clientWebSocket client implementation for AeroSocket378MIT OR Apache-2.0
plexor-coreCore library for the rust implementation of the Plexo distributed system architecture, providing the fundamental Plexus, Neuron,…378MPL-2.0
faucet-sink-httpHTTP POST sink connector for the faucet-stream ecosystem378MIT OR Apache-2.0
daimonA Rust-native AI agent framework377MIT OR Apache-2.0
prax-sqlxSQLx query engine backend for Prax ORM with compile-time checked queries376MIT OR Apache-2.0
vcs-forgeOne async Rust API over GitHub, GitLab, and Gitea: unified pull/merge requests, issues, and releases across the gh, glab, and tea…376MIT
faucet-common-elasticsearchShared configuration types for the faucet-stream Elasticsearch source and sink connectors376MIT OR Apache-2.0
camel-component-keycloakKeycloak integration for rust-camel — claim presets, URL builders (Admin API and event consumer in future phases)376Apache-2.0
safer-ringA safe Rust wrapper around io_uring with zero-cost abstractions and compile-time memory safety guarantees375MIT OR Apache-2.0
faucet-source-graphqlGraphQL API source connector for the faucet-stream ecosystem375MIT OR Apache-2.0
faucet-sink-s3AWS S3 sink connector for the faucet-stream ecosystem375MIT OR Apache-2.0
jerrycan-jobsBackground job engine for the jerrycan framework: at-least-once queues, retries + dead-letter, cron, run_at, over a Postgres…375MIT
ai-agents-personaAgent persona system for AI Agents framework375Apache-2.0
agent-harness-rsAgent loop harness with local and sandbox tool runtimes, context management, and MCP support375MIT
hardy-asyncRuntime-agnostic async primitives for the Hardy DTN implementation374Apache-2.0
daimon-provider-bedrockAmazon Bedrock provider for the Daimon AI agent framework374MIT OR Apache-2.0
daimon-provider-azureAzure OpenAI provider for the Daimon AI agent framework374MIT OR Apache-2.0
opentelemetry-prometheus-xxPrometheus exporter for OpenTelemetry (This crate is discontinued and is no longer maintained)373Apache-2.0
faucet-source-xmlXML API source connector for the faucet-stream ecosystem373MIT OR Apache-2.0
faucet-common-gcsShared GCS credential and client types for the faucet-stream ecosystem373MIT OR Apache-2.0
areq-jsonExtension of the areq crate for working with JSON372MIT
wechat-minapp-v1A rust sdk for wechat miniprogram server api372MIT
faucet-source-grpcgRPC API source connector for the faucet-stream ecosystem372MIT OR Apache-2.0
vex-apiIndustry-grade HTTP API gateway for VEX Protocol372Apache-2.0
faucet-common-snowflakeShared configuration types for the faucet-stream Snowflake source and sink connectors371MIT OR Apache-2.0
rustmcpA Rust implementation of the Model Context Protocol (MCP) for building AI agent tools370MIT OR Apache-2.0
asyncjsonstreamAsync JSON stream reader for selective parsing of large payloads370MIT OR Apache-2.0
motosan-chat-agentAgentLoop and LlmClient trait for motosan-chat370MIT
faucet-source-redisRedis source connector for the faucet-stream ecosystem370MIT OR Apache-2.0
magnetar-auth-saslSASL auth providers (PLAIN + Kerberos/GSSAPI) for magnetar.370Apache-2.0
rustcdcEmbeddable Rust CDC library focused on correctness-first capture primitives370MIT OR Apache-2.0
monoio-pgHigh-performance asynchronous PostgreSQL driver for monoio369WTFPL
checkstream-coreCore types, token buffer, and error handling for CheckStream guardrail platform369Apache-2.0
llmrustUnified Rust interface for 7 LLM providers (OpenAI, Anthropic, DeepSeek, Google Gemini, Ollama, Moonshot, OpenRouter) with HTTP…369MIT OR Apache-2.0
stratneo-nautilus-networkNetwork communication machinery for the Nautilus trading engine368LGPL-3.0-or-later
premix-coreA Zero-Overhead, Type-Safe ORM for Rust that runs optimized SQL.368MIT
faucet-streamA declarative, config-driven data pipeline with pluggable source and sink connectors368MIT OR Apache-2.0
rustigramComprehensive async Rust framework for the Telegram Bot API368MIT
tirea-protocol-ag-uiAG-UI protocol event encoding and history adapters for tirea367MIT OR Apache-2.0
turbine-llmUnified Rust interface for multiple LLM providers with growing model support366MIT OR Apache-2.0
rcli-loaderRCLI-loader: The Rust client line interface loader crate, a utility built for versatile monitoring of the progress for running…366non-standard
atomr-agents-orgOrganizational hierarchy (Org/Department/Team) over cluster sharding.366Apache-2.0
atomr-agents-stt-toolTool + Skill adapters that expose atomr-agents speech-to-text inside the agent framework.366Apache-2.0
zeal-sdkRust SDK for Zeal Integration Protocol (ZIP)365Apache-2.0
firefox-webdriverHigh-performance Firefox WebDriver in Rust365Apache-2.0
magi-coreLLM-agnostic multi-perspective analysis system inspired by MAGI365MIT OR Apache-2.0
faucet-common-bigqueryShared credentials and client construction for the faucet-stream BigQuery source and sink connectors365MIT OR Apache-2.0
motosan-workflow-coreCore library for the motosan-workflow DAG-based agent workflow engine364MIT
term-coreA Rust data validation library providing Deequ-like capabilities without Spark dependencies364MIT
vex-temporalTime-aware memory compression for VEX364Apache-2.0
atomr-infer-runtime-anthropicAnthropic Messages API provider for atomr-infer — implements ModelRunner against api.anthropic.com, with cost table, error…363Apache-2.0
beetry-coreInternal beetry crate. For the public API, check the beetry crate.363MIT
nidus-rsPublic facade crate for the Nidus modular Rust backend framework.363MIT OR Apache-2.0
hermesmq-coreCore engine for hermesmq: queue state machine and Raft application types363AGPL-3.0-only
assay-engineStandalone workflow + auth + dashboard HTTP server on PostgreSQL 18 + SQLite. Embeddable as a library, or run as a binary.363Apache-2.0
bob-runtimeRuntime orchestration layer for Bob Agent Framework362Apache-2.0
atomr-agents-testkitMockInference, deterministic strategies, in-memory stores, replay harness.362Apache-2.0
action_dispatch_core通用的基于属性宏的 Action 注册与分发系统361MIT OR Apache-2.0
faucet-sink-postgresPostgreSQL sink connector for the faucet-stream ecosystem361MIT OR Apache-2.0
nidus-openapiOpenAPI route metadata collection and document rendering helpers for Nidus applications.361MIT OR Apache-2.0
iroh-h3-axumAxum integration for serving and consuming HTTP/3 over the Iroh QUIC P2P transport.361MIT
agy-bridgeRust bridge for the Google Antigravity SDK (Python) via PyO3361Apache-2.0 OR MIT
aion-store-libsqlDurable libSQL-backed event store implementation for Aion workflows.360AGPL-3.0-only
nt-market-dataMarket data providers and streaming for Neural Trader - supports Alpaca, Polygon, IEX, and more360MIT OR Apache-2.0
laser-sdkOpen data-platform SDK over Apache Iggy: typed streaming, declared projections and a query DSL, a key-value store, copy-on-write…360Apache-2.0
syrosSyros - Distributed Coordination Service360MIT
roam-fdpassCross-platform file descriptor / handle passing for roam360MIT OR Apache-2.0
bob-adaptersAdapter implementations for Bob Agent Framework ports360Apache-2.0
daimon-provider-geminiGoogle Gemini provider for the Daimon AI agent framework360MIT OR Apache-2.0
cloudiful-schedulerSingle-job async scheduling library for background work with optional Valkey-backed state.359Apache-2.0
atomr-infer-runtime-geminiGoogle Gemini provider for atomr-infer — implements ModelRunner against Vertex AI and AI Studio endpoints, with cost table, error…359Apache-2.0
digdigdig3-coreCore data types for digdigdig3 — pure market-data + trading structs/enums (Kline/Ticker/OrderBook/Trade/StreamKind/Symbol/…).…358MIT OR Apache-2.0
axocoatl-configYAML/TOML configuration parser with validation for Axocoatl358Apache-2.0
nidus-validationValidation pipes and JSON extractors for Nidus applications backed by garde.358MIT OR Apache-2.0
awaken-serverMulti-protocol HTTP server with SSE, mailbox, and protocol adapters for Awaken358MIT OR Apache-2.0
rho-sdkEmbeddable, headless agent runtime for Rho358MIT
action_dispatch_macro通用的基于属性宏的 Action 注册与分发系统357MIT OR Apache-2.0
tiny-loopMinimal AI agent framework357MIT
nidus-authGuard traits, guard combinators, and Tower guard layers for Nidus HTTP applications.357MIT OR Apache-2.0
ttlog-macrosTTLog event macros and utilities356MIT
folk-runtime-forkFork-based worker runtime for Folk — prefork master with warm OPcache356MIT
fluxmqHigh-performance message broker and streaming platform inspired by Apache Kafka356MIT
nautilus-krakenKraken Pro exchange integration adapter for the Nautilus trading engine356LGPL-3.0-or-later
zakura-node-servicesThe interfaces of some Zakura node services. Internal crate, published to support cargo install zakura355MIT OR Apache-2.0
paladin-portsPort trait definitions (hexagonal architecture contracts) for the Paladin framework354MIT
ankitComplete async Rust client for the AnkiConnect API354MIT OR Apache-2.0
llmkitProduction-grade LLM client - 100+ providers, 11,000+ models. Pure Rust.354MIT OR Apache-2.0
teloxide-core-ngCore part of the `teloxide` library - telegram bot API client353MIT
wpoolA thread pool that limits the number of tasks executing concurrently, without restricting how many tasks can be queued.353MIT
overseerd-jobsThe Overseerd job scheduler: declare `#[job]` methods that run on an interval or cron schedule as supervised background tasks,…353MIT
nidus-sqlxOfficial SQLx adapter primitives for Nidus, including pool registration and health checks.353MIT OR Apache-2.0
ai-agents-relationshipsActor relationship memory for AI Agents framework353Apache-2.0
qubit-tokio-executorTokio-backed executor and executor service implementations for Qubit Rust libraries352Apache-2.0
rafka-brokerBroker implementation for Rafka message broker352Apache-2.0
emcyphal-driverDriver interface for Emcyphal network stack352MIT OR Apache-2.0
nidus-cacheOfficial cache adapter primitives for Nidus, including Moka-backed cache modules.352MIT OR Apache-2.0
aimdb-tokio-adapterTokio runtime adapter for AimDB - full-featured std async runtime support351Apache-2.0
oxify-engineWorkflow execution engine for OxiFY - DAG orchestration, scheduling, and state management351Apache-2.0
maker_webSecurity-first, high-performance, zero-allocation HTTP server for microservices351MIT OR Apache-2.0
mcpkit-actixActix-web integration for mcpkit350MIT OR Apache-2.0
rafka-consumerConsumer client for Rafka message broker350Apache-2.0
cloud_terrastodon_tracingTracing utilities for the Cloud Terrastodon project350LiLiQ-R-1.1
bat-markets-coreCore domain contracts and in-memory state engine for bat-markets350MIT OR Apache-2.0
mini_actorThe smallest, simplest Rust actor model using Tokio runtime349MIT
rquery-ormLightweight SQL ORM for Rust with query-style (MSSQL + PostgreSQL).349MIT
hydracache-serverStandalone production server daemon for HydraCache.349Apache-2.0
rustrade-coreCore types and traits for the rustrade trading bot framework349MIT
dubbo-rs-protocolProtocol abstraction for Apache Dubbo Rust — Protocol, Invoker, Exporter traits349Apache-2.0
ringolo-macrosRingolo proc macros.348Apache-2.0
adk-paymentsProtocol-neutral agentic commerce and payment orchestration for ADK-Rust348Apache-2.0
apalis-natsBackground task processing for rust using apalis and nats jetstream348non-standard
nexo-tunnelLegacy alias for `nexo-tunnel-quick` — re-exports every public item verbatim so existing callers keep building. Phase 92.11…348MIT OR Apache-2.0
rafka-producerProducer client for Rafka message broker347Apache-2.0
include-exclude-watcherAsync file watcher with glob-based include/exclude patterns and built-in debouncing346MIT
discord-user-rsDiscord self-bot client library — user-token WebSocket gateway and REST API, with an optional full-featured CLI client (archive +…346MIT
zakura-consensusImplementation of Zcash consensus checks for the Zakura node. Internal crate, published to support cargo install zakura346MIT OR Apache-2.0
russh-extra-coreCore types shared by russh-extra crates.345MIT OR Apache-2.0
jerrycan-realtimeRealtime extension for the jerrycan framework: WebSocket channels for Postgres Changes (logical replication with trigger…345MIT
cortexai-monitoringMetrics, observability and Prometheus integration for Cortex AI agents343Apache-2.0
ollama_client_rsA Rust SDK for the Ollama API with model-aware tool calling, streaming, and embeddings343MIT
room-cliMulti-user chat room for agent/human coordination over Unix domain sockets343MIT
rune-chain-coreCore traits and types for the rune-chain LLM orchestration framework342MIT
praxis-mcpModel Context Protocol (MCP) client for AI agent tool execution342MIT
faucet-source-gcsGoogle Cloud Storage source connector for the faucet-stream ecosystem342MIT OR Apache-2.0
fmemoryMemory library for the fiddlesticks agent harness framework342MIT
tokitaiTokitai - AI tool integration system with compile-time tool definitions341MIT OR Apache-2.0
tronz-signerSigning traits and local key signer for the tronz TRON SDK.341MIT OR Apache-2.0
swink-agent-patternsMulti-agent pipeline patterns for swink-agent341MIT
execution-policyClosure-first, runtime-light reliability policies (retry, timeout, circuit breaking, bounded concurrency, retry budgets) for any…340BSD-3-Clause
neuron-hooksHook registry and composition for neuron340MIT OR Apache-2.0
entelix-memoryentelix cross-thread memory — Store/Embedder/Retriever/VectorStore traits, Buffer/Summary/Entity, SemanticMemory<E,R> generic340MIT
fluxion-rxA reactive stream processing library with ordered semantics, friendly interface, bullet-proof test coverage, state-of-the art…339Apache-2.0
sfo-reuseportMulti-worker TCP and UDP services with reuse-port style socket distribution339MIT