CATEGORY
Network programming 12,150 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.
mcproto-typesAll types for Minecraft.105GPL-3.0-only
crabka-pgwirePostgreSQL v3 wire-protocol server: simple and extended query protocols, SCRAM-SHA-256, TLS, and CancelRequest105Apache-2.0
sagittariusA fast, self-hosted DNS sinkhole in a single Rust binary105MIT OR Apache-2.0
zerodds-ami4ccmOMG AMI4CCM 1.1 (formal/2015-08-03) — asynchronous method invocation for CCM: implied-IDL transformation (§7.3 + §7.5),…105Apache-2.0
hpx-h3Fork of hyperium/h3 with RFC 9220 WebSocket support, vendored into the hpx workspace.105Apache-2.0
google-cloud-visionai-v1Google Cloud Client Libraries for Rust - Vision AI API104Apache-2.0
engenho-controllersengenho-controllers — the engenho K8s controller suite. Hosts the Controller trait + canonical implementations:…104MIT
solana-pump-grpc-sdkSolana Pump/PumpAmm gRPC event listener SDK104MIT
nebucloud-xdsProduction-ready xDS control plane library for Rust104MIT OR Apache-2.0
hick-embassyAsync mDNS / DNS-SD for embassy: the `hick-smoltcp` engine driven on embassy-net + embassy-time. `no_std` + `alloc`.104MIT OR Apache-2.0
kv-storage-clientA modern HTTP/2 client for the KV Storage server104MIT
speedtest-tuiA terminal-based network speed test tool with real-time gauges and graphs104MIT
net-tools-rsRust implementation of net-tools (Linux networking base tools)104GPL-2.0-or-later
hiver-httpHTTP server and client for Hiver Framework.
Hiver框架的HTTP服务器和客户端。
Equivalent to: Spring Web, Spring WebFlux, Spring MVC104MIT OR Apache-2.0
azalea-reflection-proxySpectate and take over an azalea bot session live through a local reflection proxy — Rust port of mineflayer-reflection-proxy104MIT
pingmonReal-time ping monitor with beautiful ASCII charts, TTL display, and statistics104MIT
spine-wasmWebAssembly runtime for SPINE Binary (HLB) execution104AGPL-3.0-or-later
iroshSecure P2P SSH and data transfer protocol. Connect to any machine without an IP address, open ports, or VPNs.104MIT OR Apache-2.0
vldb-lancedbA Rust gRPC, library, and FFI gateway for LanceDB vector data with JSON and Arrow IPC support.104MIT
zerodds-durability-serviceStandalone DDS Durability-Service daemon (ADR 0009): ingests TRANSIENT/PERSISTENT topics over RTPS and replays them to…104Apache-2.0
oxirpc-serverOxiRPC server: plaintext server builder with graceful shutdown104Apache-2.0
presto-pastaUser-mode NAT datapath for sandboxes: L2 tap to native host sockets104MIT
derustedProgrammable HTTPS interception and traffic inspection engine for security-critical applications103MIT
portkillA fast CLI tool to kill processes running on specified ports103MIT
oxitls-adapter-pkcs11OxiTLS adapter: PKCS#11 HSM/TPM backed rustls SigningKey via cryptoki103Apache-2.0
haagenti-distributedDistributed inference across multiple nodes with tensor parallelism103MIT OR Apache-2.0
rama-net-apple-xpcApple XPC support for rama103MIT OR Apache-2.0
leptos-auth-routerA Leptos library for OpenId-Connect (OIDC) authentication handling in Axum applications.103MIT
turnip-tunnelIP/Ethernet tunnel backed by a half-duplex serial port103MIT
safe-telnet-parserMemory-safe Telnet protocol parser for defensive security and CVE mitigation103MIT
bb8-ldapA bb8 connection pool manager for ldap3 async LDAP connections103MIT
ingress-policyDeterministic policy primitives for Gatewarden.103AGPL-3.0-only
callwireHigh-performance bidirectional RPC over TCP with MessagePack framing — Go, Python, Rust interop103MIT
lcp-serverHTTP proxy server with caching and extension pipeline for lcp103MIT OR Apache-2.0
libiot-rollease-automate-pulse-pro-hub-cliCommand-line interface for the Rollease Acmeda Automate Pulse Pro shade hub102MIT
meow-appA high-performance, rule-based tunneling proxy kernel in Rust, compatible with mihomo (Clash.Meta).102MIT
qmpQEMU QMP client library102MIT
rf-mcp-clientRavenFabric MCP client SDK — library for building MCP-aware applications102AGPL-3.0-or-later
rf-ingressRavenFabric — HTTP ingress gateway with reverse-proxy and agent routing102AGPL-3.0-or-later
grapsus-configConfiguration loading and validation for Grapsus reverse proxy102MIT OR Apache-2.0
grapsus-agent-protocolAgent protocol and IPC for Grapsus reverse proxy external processors102MIT OR Apache-2.0
wireguard-hyper-connectorHyper connector for making HTTP requests through a WireGuard tunnel102GPL-3.0
jupyter-ysyncY-sync protocol implementation for Jupyter notebook collaboration102BSD-3-Clause
gossan-correlationCross-module finding correlation engine for gossan (attack chain detection) — part of the security research ecosystem102MIT
fast-down-gui超级快的下载器图形化界面102MIT
cidr-optimizer-cliCLI for cidr-optimizer: fit oversized IP allow-lists into cloud and firewall entry limits102MIT
rustls-crl-refreshProcess-wide CRL cache and refreshable rustls verifiers without ServerConfig churn.102MIT
rustls-native-roots-cacheProcess-wide cache for rustls's native trust store, with platform-aware retry and sticky-failure semantics.102MIT
vanedvane proxy daemon: L4 forwarding, HTTP any-bridge, WebSocket, CGI and WASM plugins102MIT
kiaproxyhigh performance and extremely light TCP load balancer proxy102MIT
rmw-zerodds-shimROS 2 rmw_zerodds shim — C-FFI wrapper around zerodds-ros2-rmw + zerodds-c-api102Apache-2.0
nula-relayNostr relay layer: runtime-agnostic WebSocket transport, single-relay NIP-01 client, multi-relay pool, and an in-process relay…101MIT OR Apache-2.0
meld-rpcgRPC proto bindings and contract generation tooling for Meld.101MIT
rskit-discoveryService discovery with load balancing strategies101MIT
rustnetconf-yangYANG model code generation for rustnetconf — compile-time config validation101MIT OR Apache-2.0
functional-kubeA framework for building Kubernetes controllers using the Functional Core, Imperative Shell pattern101MIT
tower-canonical-redirectA Tower middleware to enforce canonical hosts in HTTP requests101MIT OR Apache-2.0
crabtalk-proxyHTTP proxy server for the crabtalk LLM API gateway101MIT OR Apache-2.0
fastarp-coreFast ARP scanning library for local subnet host discovery101MIT
chorus-providersSMS and Email provider implementations for Chorus CPaaS — Telnyx, Twilio, Plivo, Resend, SES, SMTP101MIT
gossan-dnsDNS security scanner — SPF/DMARC/DKIM email auth, zone transfer (AXFR), subdomain takeover, CAA/NS posture — part of the security…101MIT
email-kitConvenience facade for the email-rs crates101MIT
vpp-pluginA framework for writing high-performance, reliable VPP plugins in Rust.101Apache-2.0
lazyfetch-storageFilesystem adapters for lazyfetch — atomic writes, YAML collections, JSONL history101MIT
zerodds-rtcOMG RTC 1.0 (formal/2008-04-04) — Lightweight Robotic Technology Component (Local PSM §6.3): ReturnCode_t,…101Apache-2.0
lopatnov-conduitHigh-performance reverse proxy and file server built on Cloudflare Pingora101Apache-2.0
peeroxide-cliCommand-line interface for the peeroxide P2P networking stack101MIT OR Apache-2.0
seedlink-rs-clientAsync SeedLink client for real-time seismic data streaming101Apache-2.0
netconf-rustAn async NETCONF client library implementing RFC 6241 (NETCONF), RFC 6242 (chunked framing), and RFC 4742 (EOM framing) with…100MIT OR Apache-2.0
ferrisshAsync SSH CLI scraper library for network device automation100MIT OR Apache-2.0
oxisound-oscOpen Sound Control (OSC) protocol implementation for oxisound100Apache-2.0
marg-storageMarg storage trait and backend implementations (SQLite default, Postgres recommended, Redis hot store)100Elastic-2.0
braid_rsUnified Braid Protocol implementation in Rust, including Braid-HTTP, Antimatter CRDT, and BraidFS.100MIT OR Apache-2.0
tokilake-smuxTokilake SMUX - Wire-compatible smux protocol, zero-overhead Rust implementation100MIT
rswsProduction-grade, RFC 6455 compliant WebSocket library for Rust100MIT
atomr-agents-web-search-provider-tavilyTavily WebSearch provider for atomr-agents.100Apache-2.0
ingress-caddyCaddy integration helpers for Gatewarden.100AGPL-3.0-only
rustls-ticketerInstall a process-wide rustls session ticketer once; idempotent across multiple call sites.100MIT
oxirpc-adapter-aws-lcOxiRPC adapter: aws-lc-rs backed rustls CryptoProvider100Apache-2.0
guardrail-configConfiguration loading, validation, and hot-reload for guardrail-rs100Apache-2.0 OR MIT
google-cloud-aiplatform-v1-schema-predict-instanceGoogle Cloud Client Libraries for Rust - Vertex AI API100Apache-2.0
ptrs-gesherPluggable Transports framework for Rust: obfs4, webtunnel, lyrebird (umbrella crate)100MIT OR Apache-2.0
minbinMinimal, manual, no-std, zero-dependency, big-endian binary serialization.99MIT OR Apache-2.0
region-proxyA CLI tool to create a SOCKS proxy through AWS EC2 in any region99MIT
unwarpA minimal, ergonomic wrapper around warp — define routes, attach handlers, and serve. No boilerplate, no filter chains.99MIT
overseerd-axum-stompSTOMP 1.2 WebSocket messaging protocol for overseerd-axum.99MIT
mx-protoProtobuf and gRPC bindings for MultiversX network protocols.99MIT OR Apache-2.0
radixox-libRESP2/RESP3 protocol types and frame parsing for Redis-compatible servers99MIT
philiprehberger-healthcheck-clientHTTP health check client for monitoring service dependencies with configurable thresholds99MIT
corim-rsRust implementation of CORIM (Concise Reference Integrity Manifest)99MIT
bcx-policyBCX security profiles and disclosure policy primitives.99EUPL-1.2
protowire-sbeFIX SBE binary codec — Rust port of github.com/trendvidia/protowire/encoding/sbe99MIT
oxiquicOxiQUIC Pure-Rust QUIC facade for the COOLJAPAN ecosystem.99Apache-2.0
amqp-dds-endpointDDS-AMQP 1.0 Endpoint daemon: synchronous std-only TCP/TLS server bridging AMQP 1.0 brokers to DDS topics per OMG DDS-AMQP 1.0…99Apache-2.0
tonic-xdsxDS routing and load balancing implementation for Tonic and Tower services99MIT
zerofs-clientAsync, path-based client library for ZeroFS over 9P99AGPL-3.0
ts_netmontailscale network interface monitor99BSD-3-Clause
llingr-nexusContracts for the llingr Rust message-processing ecosystem: message, traits, metrics, handler traits99Apache-2.0
fastwebsockets-streamAn adapter that exposes fastwebsockets::WebSocket as a Tokio AsyncRead/AsyncWrite stream.99MIT
rvoip-identityMinimal BearerProvider implementation for rvoip-core::IdentityProvider; production auth backends live in auth-core and extension…99MIT
rvoip-websocketrvoip-core ConnectionAdapter implementation over WebSocket (signaling) + co-located WebRTC PeerConnection (media) for the UCTP…99MIT
rs-topReal-time TUI system monitor for remote hosts99MIT
rstango-omniorbA binding for Tango distributed control system ORB backed by omniORB98Apache-2.0
zello-clientA simple Zello client for experimenting with Rust and understanding the publishing process.98MIT OR Apache-2.0
marg-providersMarg provider adapter trait and per-provider client implementations98Elastic-2.0
outbox-redisRedis-based idempotency provider for the oxide-outbox98MIT
magpie-bt-dhtMainline DHT (BEP 5) for the magpie BitTorrent library.98Apache-2.0 OR MIT
rama-net-apple-networkextensionApple Network Extension support for rama98MIT OR Apache-2.0
spotprotoWire protocol for the Spot real-time messaging network (packets, handshake, instant messages)98MIT
rcfeAn asynchronous etcd v3 client library for Rust built on gRPC.98MIT
net-kitCross-platform network reachability monitoring with a single Net facade and Tokio runtime support.98MIT
varta-vlpVarta Lifeline Protocol — 32-byte fixed-layout health frame.98MIT OR Apache-2.0
axum-signalSignalR-inspired WebSocket hub abstraction for Axum — broadcast, unicast, JSON/Binary codecs. Passes 10k connections tests.98MIT
ingress-rate-limitRate limiting primitives for Gatewarden.98AGPL-3.0-only
ingress-apiShared console API DTOs for Gatewarden.98AGPL-3.0-only
apalis-pgmqBackground task processing for rust using apalis and pgmq98PostgreSQL
rvoip-stir-shakenSTIR/SHAKEN (RFC 8224 / RFC 8225 / ATIS-1000074) signing and verification for rvoip98MIT
simple-discoverA lightweight service discovery library for LAN using UDP multicast with custom data support98MIT
codesynapse-mcpMCP server for codesynapse — exposes code intelligence tools to AI coding assistants98MIT
caravan-rpcRuntime SDK for the Caravan application-definition compiler.97Apache-2.0
thin-statusLow-overhead, production-grade error status type for Rust, heavily inspired by Abseil's absl::Status97Apache-2.0
bevy-s2n-quicAn Aeronet compatible Bevy plugin providing network IO with QUIC based on s2n-quic97MIT OR Apache-2.0
mcpdomeThunder Dome — Protective Firewall for AI Agents. MCP security gateway proxy.97Apache-2.0
h3-masqueAn implementation of the CONNECT-UDP protocol, based on h3 and MsQuic97MIT
soulsand-protoMinecraft protocol implementation - packet framing, VarInt encoding, and connection state machine97MIT
lazyflow-grpcgRPC connectors for lazyflow -- tonic Streaming<T> source and server response adapter97MIT
a2a-mcpBidirectional integration between A2A Protocol and Model Context Protocol (MCP)97MIT
spine-humanAgentic-first web stack for the 21st century — wire-level tool calling, token streaming, capability handshake, W3C tracing, and…97AGPL-3.0-or-later
zerodds-recorder-decodeDecode DDS samples to typed JSON + SQLite for zerodds-spy/-record: IDL→DynamicType type source, DynamicData→JSON, per-topic…97Apache-2.0
scp-runtimeCore protocol implementation for SCP (Shared Context Protocol)97Apache-2.0
rmqtt-grpcio-compilergRPC compiler for grpcio97Apache-2.0
rvoip-clientClient-side SDK for mobile / web / desktop / embedded apps that speak the Universal Conversation Transport Protocol (UCTP). Wraps…97MIT
rastreo-serverHTTP control plane for rastreo — enrichment-aware network discovery97MIT OR Apache-2.0
es7210no_std driver for the Everest Semi ES7210 quad-channel audio ADC96MIT
uri-templateRFC6570 URI Template library for Rust, with parsing, expansion, compile-time checked macros, and no_std support.96MIT OR Apache-2.0
agentsniff-commonShared types and event structures for AgentSniff — used by the userspace scanner and the eBPF probes.96Apache-2.0
protowire-pxfPXF (Proto eXpressive Format) text codec — Rust port of github.com/trendvidia/protowire/encoding/pxf96MIT
misp-clientA Rust client library for MISP threat intelligence platform96MIT
kavalGuard your ports. A developer-focused port and process manager TUI.96MIT
ariosA small HTTP client crate built as a learning project96MIT
oxirpc-webgRPC-Web bridge layer for OxiRPC (base64 framing + CORS headers)96Apache-2.0
signaling-protoSignaling Protobuf of AppRTC96MIT/Apache-2.0
zerodds-routing-serviceStandalone DDS routing service: forwards samples between DDS domains, topics, QoS profiles and partitions within the DDS bus (RTI…96Apache-2.0
terrierTenacious async retries for Rust: bounded backoff with decorrelated jitter until it succeeds or the budget says stop.96MIT
rvoip-webtransportrvoip-core ConnectionAdapter implementation over WebTransport (HTTP/3 + QUIC) for the UCTP application protocol96MIT
plexor-oltpOpenTelemetry (OTLP) integration for the Plexo distributed system architecture.95MPL-2.0
slozhngRPC over WebSocket for native and wasm: full streaming, reconnect, transparent resume95MIT
fuseftpMount FTP servers as local filesystems95MIT OR Apache-2.0
hick-udpSync multicast UDP helpers + interface enumeration for mDNS. Cross-platform shim used by the async wrapper crates.95MIT OR Apache-2.0
live-dataShared descriptor, manifest, and subscription types for the live-feed publisher SDK and the live-stream consumer SDK.95MPL-2.0
graphstreamJournal replication engine for graph databases. Logical WAL shipping via .hadbj segments to S3.95Apache-2.0
skeg-rigging-net-resp3RESP3 transport for skeg-rigging: federate against a skeg-server over the network.95Apache-2.0
openvpn-mgmt-frameLow-level line framing for the OpenVPN management protocol.95MIT OR Apache-2.0
spine-clusterDistributed agent coordination for SPINE95AGPL-3.0-or-later
drm3-rpc-poolResilient JSON-RPC failover pool for any EVM chain. Unbounded ordered endpoint list, per-endpoint health + backoff, capability…95MIT
jq-node-profileNode and topology snapshot models for Jacquard BLE clients95Apache-2.0
drasi-reaction-mcpMCP reaction plugin for Drasi95Apache-2.0
nucleus-traceNucleus trace backend: ITM decode pipeline, OpenOCD/SWO ingest, and WebSocket streaming95MIT OR Apache-2.0
batman-robinRust library and CLI tool for interacting with the BATMAN-adv kernel module for mesh networking95MIT
vibeio-quinnA compatibility layer for using `quinn` with the `vibeio` async runtime95MIT
atomr-agents-web-search-provider-braveBrave Search WebSearch provider for atomr-agents.95Apache-2.0
rastreoCLI for rastreo — enrichment-aware network discovery95MIT OR Apache-2.0
rskrb5Pure-Rust Kerberos v5 client/service library with HTTP Negotiate support.94Apache-2.0
protowire-envelopeAPI response envelope — Rust port of github.com/trendvidia/protowire/envelope94MIT
shadow-pluggable-transportsPluggable transports for censorship circumvention: obfs, domain fronting, bridge relays94MIT
jpx-serverJMESPath query server supporting MCP, REST, and gRPC protocols94MIT OR Apache-2.0
dtiw385Crate to discover and control Orange DTIW385 decoders over the network.94MIT
infinity-bridge-wireWire protocol types for infinity-bridge — shared between WASM and host crates94MIT
libsessionSession messenger core library - cryptography, config management, networking94GPL-3.0-only
kcp2-embassyKCP protocol async implementation for Embassy — targeting ESP32 and other no_std devices94MIT
aureliaEmbeddable service mesh for Rust distributed applications.94Apache-2.0
zerodds-amqp-0-9-1AMQP 0.9.1 (class/method) Wire-Codec + broker client — frames, field tables, connection/channel/queue/basic lifecycle. For…94Apache-2.0
drasi-reaction-rabbitmqRabbitMQ reaction plugin for Drasi94Apache-2.0
drasi-reaction-lokiGrafana Loki reaction plugin for Drasi94Apache-2.0
zerodds-corba-cos-notifyOMG CosNotification 1.1 — structured event channel + ConsumerAdmin/SupplierAdmin + StructuredProxy hierarchy + filter + QoS…94Apache-2.0
taktora-connector-mqttMQTT reference connector for the taktora-connector framework. Implements BB_0004 (FEAT_0036).94Apache-2.0 OR MIT
oxirpcPure-Rust gRPC facade — client + server + no-protoc codegen94Apache-2.0
telegenicPure-Rust GenICam camera library94Apache-2.0
dots-rsDOTS pub/sub for Rust — the umbrella crate. Re-exports the runtime, derive macros, and async transport so a single dependency…94LGPL-3.0-only
basil-nats-bridgeNATS request/reply courier for Basil sealed invocation envelopes.94Apache-2.0
sectorsync-runtimeBounded runtime bridges, load sampling, barriers, and migration orchestration for SectorSync94MIT
wireband-edgeLightweight Wire.Band client — semantic data middleware for any domain (IoT, AI/ML, DeFi, legal, geospatial, supply chain, and…94MIT
gossan-crawlAuthenticated web crawler — form extraction, parameter discovery, link following — part of the security research ecosystem93MIT
mash-sshControl multiple SSH sessions from a single interactive shell93MIT
guppy-protocolAn implementation of the Guppy protocol v0.4.4 (guppy://): async UDP client and server with chunking, acknowledgement, and…93MIT
rhizome-p2pDistributed P2P networking library for the Rhizome ecosystem93Apache-2.0
shadow-onion-routingOnion routing with circuit-based anonymous relay for Shadow Network93MIT
shadow-reputationReputation system with trust scoring, Sybil defense, and behavior tracking93MIT
shadow-traffic-analysisTraffic analysis resistance: constant-rate shaping, mix networks, fingerprint detection93MIT
bindizr-coreCore models, configuration, DNS record types, and logging utilities for bindizr93Apache-2.0
wren-ospfWren routing daemon — OSPFv2 (RFC 2328): packet/LSA wire codec, link-state database and SPF.93GPL-2.0-or-later
netdump-coreCore types, packet metadata, and protocol parsing for netdump93MIT
hanzo-zapZAP - Zero-Copy App Proto93MIT
atomr-agents-web-search-provider-serpapiSerpAPI (Google) WebSearch provider for atomr-agents.93Apache-2.0
wren-ripWren routing daemon — RIPv2 (RFC 2453) message codec and route conversion.93GPL-2.0-or-later
async-graphql-wasmA GraphQL server library implemented in Rust92MIT OR Apache-2.0
rskit-serverService-facing server abstractions and lifecycle-managed transports for rskit92MIT
burn_p2p_uiTyped telemetry and reference UI boundary crate for burn_p2p.92MIT OR Apache-2.0
resend-mcpMCP server for the Resend email API92Apache-2.0
oxistore-blob-s3S3 BlobStore backend for the COOLJAPAN ecosystem (Pure-Rust, ring-free).92Apache-2.0