1. h2

    An HTTP/2 client and server

    v0.4.12 20.7M #web-server #async
  2. soketto

    A websocket protocol implementation

    v0.8.1 801K #websocket #future #codec
  3. uds

    A unix domain socket crate that supports abstract addresses, fd-passing and seqpacket sockets

    v0.4.2 248K #unix-socket #unix-domain-socket #seqpacket #fdpassing
  4. kode-bridge

    Modern HTTP Over IPC library for Rust with both client and server support (Unix sockets, Windows named pipes)

    v0.3.5 36K #ipc #bridge #performance
  5. tinyget

    Tiny HTTP(S) GET

    v1.1.4 190 #https #http-client #http-get #client
  6. perimeterx-fastly-enforcer

    PerimeterX Fastly Compute@Edge Rust Enforcer

    v1.2.3 460 #enforcer #perimeterx #security
  7. ttf

    HTTP tunnel forwarder application

    v0.3.0 #tunnel #http-proxy #ngrok #proxy #http
  8. ureq-proto

    ureq support crate

    v0.5.3 2.3M #web-server #ureq #web
  9. odoh-rs

    Oblivious DNS over HTTPS (ODoH) protocol version 1

    v1.0.4 450 #dns #doh #protocols #privacy
  10. atomic_websocket

    High level Websocket util library from tokio-tungstenite

    v0.6.33 6.6K #websocket #server-connection #client-connection #websocket-client #server #websocket-server
  11. rvoip-transaction-core

    SIP transaction layer for the rvoip stack

    v0.1.26 #voip #rtp #telephony #sip
  12. bevy_simplenet

    server/client channel implemented over websockets with support for Bevy

    v0.16.0 2.6K #websocket #client-channel #networking
  13. rtactor

    An Actor framework specially designed for Real-Time constrained use cases

    v0.6.0 #actor-framework #actor #real-time #async #framework
  14. libp2p-request-response

    Generic Request/Response Protocols

    v0.29.0 345K #p2p #networking
  15. canadensis

    A Cyphal implementation: Node types and re-exports from some other canadensis crates

    v0.5.0 600 #cyphal #uavcan #embedded #uav #can
  16. flowlang

    A dataflow oriented programming meta-language in JSON supporting functions written in rust, python, javascript, java, and flow

    v0.3.27 5.9K #java #python #dataflow #javascript #control-command #dataflow-programming #functional-programming #meta-language #mcp #data-object
  17. rs-pfcp

    High-performance Rust implementation of PFCP (Packet Forwarding Control Protocol) for 5G networks with 100% 3GPP TS 29.244 Release 18 compliance

    v0.2.0 #pfcp #5g #telecom #networking
  18. dhcpm

    A cli for mocking DHCP messages and running rhai scripts to test DHCP servers. Aims to support v4 & v6, thought v6 is as of yet unfinished.

    v0.2.5 230 #testing #dhcp #dhcpv4 #dhcpv6
  19. agntcy-protoc-slimrpc-plugin

    A protoc plugin for generating SRPC (Slim RPC) code

    v0.1.1 #rpc-framework #protoc-plugin #generator #slim #srpc #stub #protobuf #servicer
  20. starberry

    Small, sweet, easy framework for full-stack web application

    v0.6.4 3.0K #web-apps #full-stack-web-framework #web-framework
  21. water_http

    fast web http framework that support http 1 and http 2 with very easy use

    v3.2.1-beta.14 #web-framework #http-1 #http-server #water-server
  22. ruvector-sona

    Self-Optimizing Neural Architecture - Runtime-adaptive learning for LLM routers with two-tier LoRA, EWC++, and ReasoningBank

    v0.1.4 #lora #llm #neural #adaptive
  23. corium

    Batteries-included adaptive mesh networking

    v0.4.6 #quic #pub-sub #dht #distributed
  24. mews

    Minimal and Efficient, Multi-Environment WebSocket implementation for async Rust

    v0.5.2 500 #async-io #websocket #web #io
  25. rvoip-dialog-core

    RFC 3261 SIP Dialog Management Layer for RVOIP

    v0.1.26 #voip #telephony #rtp #sip
  26. httpio

    A transport-agnostic, async HTTP/1.1 client library for any runtime

    v0.2.4 #web-server #transport-agnostic #client
  27. service_utils_rs

    A brief description of your crate

    v0.3.20 #jwt #websocket #websocket-server #service #database #surrealdb #authentication #configuration-management
  28. airs-mcp

    Model Context Protocol implementation with JSON-RPC 2.0 foundation

    v0.2.3 190 #model-context-protocol #authentication #json-rpc #mcp
  29. adk-realtime

    Real-time bidirectional audio/video streaming for Rust Agent Development Kit (ADK-Rust) agents

    v0.1.7 #artificial-intelligence #real-time-audio #adk #voice #api-bindings
  30. swarm-discovery

    Discovery service for IP-based swarms

    v0.4.1 8.0K #service-discovery #mdns #swarm #udp
  31. lib60870

    Safe Rust bindings to lib60870-C, an IEC 60870-5-101/104 protocol implementation

    v0.4.0 #scada #iec-104 #power-systems #iec-60870 #ffi
  32. threadsafe_zmq

    Thread-safe ZeroMQ wrapper with sync and async support

    v2.0.0 #zeromq #thread-safe #async-channel #sockets
  33. omega-runtime

    Production runtime orchestrator integrating all ExoGenesis Omega subsystems with health monitoring

    v1.1.0 #memory #cognitive #intelligence #neural
  34. monoio-http

    Low level http implementation for Monoio

    v0.3.12 280 #monoio #low-level-http #async
  35. qoobio-memcached-client

    Qoobio-based async Memcached client over both TCP and UDS using binary protocol

    v0.1.20251222 #memcached-client #binary-protocol #set-operations #qoobio #quiet #async-runtime #text-protocols #zero-copy #uds
  36. calimero-server

    Core Calimero infrastructure and tools

    v0.10.0-rc.17 #json-rpc-client #json-rpc-server #admin #context #subscription #calimero #websocket #sse-client #dashboard #node-api
  37. tokio-lsp

    A robust, async Language Server Protocol (LSP) client implementation in Rust with full LSP 3.16 support

    v0.1.1 #language-server #lsp #editor #async
  38. winrt-toast-reborn

    A toast notification library for Windows 10 and 11

    v0.3.8 110 #notifications #toast #windows
  39. tightbeam-rs

    A secure, high-performance messaging protocol library

    v0.5.1 #asn-1 #cryptography #messaging #protocols
  40. rusmpp

    SMPP library

    v0.4.0 #smpp #messaging #protocols #smsc #networking
  41. tower-test

    writing client and server Service tests

    v0.4.0 216K #testing #http-middleware #tower #mocking #client-server #test-utilities
  42. wireframe

    Simplify building servers and clients for custom binary protocols

    v0.1.0 #async #networking #binary-protocol #tokio
  43. restson

    REST client with automatic serialization and deserialization

    v1.5.0 3.8K #async #rest-client #http-json #json #rest
  44. roboplc-rpc

    Fast and platform-independent JSON-RPC 2.0

    v0.1.8 220 #json-rpc-client #no-std #json-rpc
  45. pueue-lib

    The shared library to work with the Pueue client and daemon

    v0.30.1 240 #daemon-client #pueue
  46. mcp-proxy-tool

    Cross-platform MCP (Model Context Protocol) proxy tool

    v0.1.0 #json-rpc #mcp #proxy #llm #cli
  47. wat_service

    WebAssembly Text Format language service

    v0.7.1 #language-server-protocol #language-service #wasm-service #wasm
  48. stinger-rwlock-watch

    An RwLock with a tokio::watch channel that is notified when releasing the write lock. Also, a readOnly lock.

    v0.3.3 #rw-lock #tokio #read-only #watch #view #notifications #releasing #concurrency
  49. rat_net_cmd

    一个简单高效的网络命令传输底层库,专注于提供可靠的数据传输通道,不关心具体的业务逻辑和命令执行

    v0.1.1 #async #tcp #async-tcp #messagepack #command
  50. safina-timer

    Safe async timers - ARCHIVED: Code moved to safina crate

    v0.1.13 #safe #timer #async
  51. alfred-core

    Alfred Rust Library

    v0.1.9 390 #personal-assistant #multimodal #framework
  52. async-lsp-client

    The client used to connect to the LSP server

    v0.2.3 #lsp #language-server #lsp-client
  53. bmrng

    async MPSC request-response channel for Tokio

    v0.5.2 113K #async-channel #mpsc #tokio
  54. hyperapp_macro

    The macro for async, handler-based Hyperware Hyperapps

    v0.2.0 #api-request #handler #request-response #macro #async #response-handler #websocket-client #request-context #logging #request-and-response
  55. jcm

    Pure Rust implementation of the JCM USB communication protocol

    v0.2.3 470 #usb-device #bill-acceptor #bill-validator #usb
  56. double

    Full-featured mocking library in Rust, including rich failure messages and argument matchers

    v0.2.4 #matcher #mocking #testing #expectation
  57. soxide

    A lightweight SOCKS5 proxy

    v0.2.0 #socks5-proxy #async-io #proxy #async #socks5
  58. airfrog-rpc

    RPC support for co-processing using debug protocols

    v0.1.1 #swd #arm #stm32 #airfrog #embedded
  59. sids

    sample actor-model scheme providing abstraction over actor types and messages that can be sent across threads

    v0.4.1 220 #actor-model #concurrency #virtualization
  60. sod-actix-web

    Service Oriented Design - Actix Web

    v0.4.2 340 #actix-web #service-oriented #web-services #pattern
  61. feather-runtime

    Web Server Runtime for Feather

    v0.5.2 #web-server #feather #run-time #async #coroutine
  62. moosicbox_tunnel_server

    MoosicBox tunnel server package

    v0.1.1 #tunnel #server-api #websocket #api
  63. rxpress

    open-source server library in Rust similar to express in NodeJS. Built from the ground up with a focus on learning and building modern HTTP servers.

    v0.3.1 110 #web-server #server
  64. s2n-netbench

    An efficiency, performance, and correctness analysis tool for transport protocols

    v0.1.1 #transport #performance-analysis #protocols #correctness #stream #certificate
  65. hreq-h1

    Asynchronous HTTP/1.1 (and 1.0) implementation

    v0.3.10 650 #web-server #web #rest
  66. feagi-api

    FEAGI REST API layer with HTTP and ZMQ transport adapters

    v0.0.1-beta.1 #web-api #rest #transport-layer #zeromq #area #cortical #feagi #genome #http-transport #http-adapter
  67. syftbox-sdk

    Reusable SyftBox client, storage, and RPC helpers

    v0.1.13 #storage #helper #rpc #syft-box #client
  68. plumbing

    An async abstraction to pipeline requests through a channel

    v1.0.0 #async-channel #request-response #requests #resolver #abstraction #pipelining #concurrency #keep-alive #redis-protocols #async-pipeline
  69. h2_wasi

    An HTTP/2 client and server

    v0.3.15 800 #web-server #h2 #wasi-http #async
  70. umadb-proto

    Protocol buffer definitions and gRPC service for UmaDB event store

    v0.1.30 #protobuf #grpc #event-store #grpc-protobuf
  71. easy-modbus

    Modbus library

    v0.0.5 #modbus-tcp #modbus #tcp-server
  72. milky-rust-sdk

    Milky protocol

    v1.0.2 #sdk #chat-bot #async
  73. tenorite

    A concurrency abstraction library. Provides a client-server model for asynchronous workers

    v0.1.2 1.5K #async-concurrency #utility #tokio #concurrency #async #rust-patterns
  74. veilid-remote-api

    that provides the ability to control a Veilid node remotely

    v0.5.1 #veilid #node #response #remotely #control #send-response
  75. flutter-engine

    Flutter engine embedder in rust

    v0.3.5 #flutter #desktop
  76. http-rust

    http library implementation for small scale web apps

    v0.1.2 #web-apps #http-request #http-response #generator #header #http-version
  77. wecom-agent

    企业微信API的轻封装,让消息发送更加便捷。

    v0.1.16 1.3K #wecom #轻封装
  78. product-os-h2

    Product OS : H2 is a derivative of the h2 crate restructured for both std and no_std environments

    v0.0.2 #product-os #h2 #environment
  79. iot_device_bridge

    Bridge between messaging of the device and the cloud IoT (e.g., AWS)

    v1.1.1 #iot #aws-iot #device-shadow #fleet-provisioning #encryption
  80. neotron-bmc-protocol

    The SPI protocol supported by the Neotron BMC

    v0.1.0 #neotron #nbmc #host #request-response #byte #spi-communication #spi-bus #crc #bmc #micro-controller
  81. unit-rs

    A safe wrapper around NGINX Unit's libunit

    v0.2.0 #request-handler #nginx #libunit #http-handler #safe
  82. requiem-http

    Actix http primitives

    v1.0.1 #future #async #actix #framework
  83. Try searching with DuckDuckGo or on crates.io.

  84. molc

    A mock language client for testing language servers

    v0.3.0 950 #testing #language-server #mocking #json-rpc #lsp-client #one-line #send-response
  85. seccomp-stream

    tokio adapter for seccomp_unotify

    v0.2.1 110 #seccomp #syscalls #userspace #notifications #tokio
  86. romp

    STOMP server and WebSockets platform

    v0.5.2 #stomp #messaging #xtomp #websockets
  87. avalanche-proto

    Protobuf generated client and server resources for Avalanche gRPC in rust

    v0.19.0 #protobuf #avalanche #web-server #resources #grpc #avalanchego #grpc-server #protocols-version #grpc-client
  88. store-flows

    Store extension for flows.network

    v0.3.2 1.0K #key-value-store #flows-network #serde-json #networking #expire
  89. mailjet_client

    A client for Mailjet's REST API

    v0.3.0 130 #rest-api-client #email-api #mailjet #email
  90. hreq-h2

    An HTTP/2.0 client and server

    v0.2.7 #http-2-0 #2-0-client #web-server #async
  91. daemon-engine

    A helper package for writing unix rust daemons with IPC based clients

    v0.6.0 #json-codec #daemon #server-connection #request #serde-derive #serialization #deserialize #ipc #dec #key-value-store
  92. ozelot

    Handles everything network related to MCMODERN

    v0.9.0 #mc #mcmodern #minecraft
  93. miku-h2

    An HTTP/2 client and server

    v0.4.7 #web-server #async #non-blocking
  94. rama-http-core

    rama http protocol implementation and low level utilities

    v0.3.0-alpha.3 170 #rama #async-io #proxy #async
  95. xdcc-request

    Requests XDCC files

    v0.1.0 #xdcc #irc #requests #nickname #bot #filesize #dcc #send-file #send-response #ip
  96. wasmcloud-component

    wasmCloud component library giving access to interfaces provided by wasmCloud host runtime

    v0.2.0 750 #wasmcloud #edge-computing #cloud-native #wasi #wasi-http #polyglot #cncf #io-stream #tfsbuild
  97. kvarn-h3-quinn

    Temporary Kvarn fork: QUIC transport implementation based on Quinn

    v0.0.6-alpha1 #quic #http-3 #h3
  98. burner

    Mini REST server

    v0.2.3 #rest-server #web-server #express #rest
  99. eternal

    Framework

    v0.3.2 #net #async #web #future #net-http
  100. jsonrpc-reactor

    JSON-RPC 2.0 Rust implementation with tokio backend

    v0.1.2 #json-rpc #back-end #tokio
  101. mailbox_processor

    A small little actor abstraction inspired by the FSharp Mailbox Processor which in turn was inspired by erlang

    v0.1.6 #actor #f-sharp #abstraction #erlang #turn #concurrency
  102. vector-store-flows

    Vector store integration for flows.network

    v0.1.2 #vector-store #flows #flows-network #points #delete-collection #collection-info
  103. siopv2

    OpenID Connect Self-Issued OpenID Provider v2 standard

    v0.1.0 #openid #openid4vc #oid4vc
  104. lambda-flows

    Lambda extension for flows.network

    v0.4.1 #flows-network #lambda #service #networking #send-response #request-received #hash-map
  105. tracing-perf

    Performance and time reporting for tracing

    v0.2.2 #logging-tracing #term #logging #tracing
  106. mc-rcon

    A client implementation of Minecraft's RCON protocol

    v0.1.1 #protocols #minecraft #rcon #command
  107. tcp_wrapper

    It's a simple library to smart_house

    v0.2.2 #tcp #wrapper
  108. actix-protobuf

    Protobuf payload extractor for Actix Web

    v0.11.0 1.0K #actix-web #protobuf #protobuf-rpc #actix
  109. mmcp-protocol

    Protocol definitions for the MMCP framework

    v0.1.0 #mcp
  110. jsend

    A lightweight Rust crate for structuring API responses in the JSend format

    v1.0.2 #serde-json #api #json #serde
  111. job_abstrs

    Abstractions for event-driven jobs

    v0.1.0 #jobs #event-driven #channel-sender #processor #side-channel #channel-receiver #send-request #cache
  112. ncomm-core

    NComm Common Traits Crate

    v1.1.4 #robotics #middleware
  113. spec-ai-core

    Core functionality for spec-ai framework

    v0.6.0-prerelease.11 #artificial-intelligence #agent #openai #execution-engine #specification #llm #embedding #web-api #framework-integration
  114. rustdis

    A partial Redis server implementation intended purely for educational purposes

    v0.1.1 #redis-server #stream #server-connection #string #frame #tcp-stream #set-key #send-response #key-value-store
  115. multistream

    abstractions for tcp/tls/unix socket servers and clients in tokio

    v0.1.0 #unix-socket #tls #tcp-socket #tokio #abstraction
  116. polkadot-node-core-pvf-prepare-worker

    Polkadot crate that contains the logic for preparing PVFs. Used by the polkadot-prepare-worker binary.

    v24.0.0 2.5K #polkadot #preparing #logic #pvf #binary #blockchain
  117. margined-neutron-std

    Standard library for Neutron with CosmWasm support included

    v5.1.3 #cosmwasm #neutron #message #included #proto-generated
  118. webhook-flows

    Webhook integration for flows.network

    v0.4.4 210 #flows-network #webhook #vec #networking #integration #send-response #hash-map
  119. frost-hubert

    Command-line tool for FROST DKG and signing using Hubert as the distributed substrate

    v0.1.0 #frost #xid
  120. cloud-vision-flows

    Google Cloud Vision integration for flows.network

    v0.1.1 #google-cloud #flows #networking #vision #text #text-detection