All 305,250 crates, alphabetically

conject-macroZero cost dependency injection macros53MIT conjectureCore engine for Hypothesis implementations56,606MPL-2.0Development tools::Testing conjockeyCONfiguration JOCKEY760CC0-1.0 conjoiner-engineA pure utility crate for on-the-fly serialisation into a standardised data format. Part of the qaul.net ecosystem14,543GPL-3.0 conjureModern system imaging service with Secure Boot support1,538Apache-2.0Command line utilities conjure-codegenRust code generation for Conjure definitions364,459Apache-2.0 conjure-errorRuntime support for generated Conjure errors386,357Apache-2.0 conjure-httpHTTP interfaces for generated Conjure services376,839Apache-2.0 conjure-macrosMacros exposed by conjure-http. Do not consume directly.332,412Apache-2.0 conjure-objectRuntime support for generated Conjure objects470,819Apache-2.0 conjure-runtimeAn HTTP client compatible with Conjure-generated services174,252Apache-2.0 conjure-runtime-configConfiguration types for conjure-runtime235,787Apache-2.0 conjure-runtime-rawAn HTTP client compatible with Conjure-generated services7,520Apache-2.0 conjure-runtime-rustls-platform-verifierAn HTTP client compatible with Conjure-generated services66,498Apache-2.0 conjure-serdeSerde Serializer and Deserializer wrappers for Conjure458,272Apache-2.0 conjure-wmPlaceholder for an upcoming crate1,246MIT OR Apache-2.0 conkerWork in progress P2P primitive1,660Apache-2.0 conkit-signatureRuntime-neutral signature contracts for Contract Kit16Apache-2.0Development tools conkit-sketchRuntime-neutral sketch contracts for Contract Kit16Apache-2.0Development tools conlCONL is a post-modern configuration language6,807MIT conlifeBackend-only implementation of Game of Life with minimal dependencies7,029AGPL-3.0-onlyData structuresGames conllParser for CoNLL(-U) Treebanks3,917MIT conlluReaders/writers for the CoNLL-U dependency format37,339MIT OR Apache-2.0 conllu-utilsUtilities for working with the CoNLL-U dependency format12,221Apache-2.0 conllxReaders/writers for the CoNLL-X dependency format61,305Apache-2.0 conlogContextual Logging built on the `log` crate1,828MIT/Apache-2.0 conmanConcurrency Manager and work item queue in pure safe rust8,231MIT OR Apache-2.0 conmuxWindows-native terminal multiplexer: PowerShell, WSL and AI agents in one supervised session (mechanism layer)40MIT OR Apache-2.0Command line utilitiesOperating systems::Windows APIs connA tool to test TCP connections2,844MITNetwork programming conn-flow-stateA fitting and predicting module to expose conn.log features as cluster of behaviour for markov chain transition prediction16MIT connchkCross-platform command-line network checking tool in Rust24,237MIT OR Apache-2.0Command line utilities connectmessage queue abstraction over async network streams20,994Apache-2.0AsynchronousEncoding connect-1passwordRust SDK for 1Password Connect7,755MIT connect-4Connect 4 in Rust1,568Apache-2.0 connect-4-botA connect-4 library for move generation/validation using the RACER engine.2,373MITAlgorithms connect-four-aiA high-performance Rust implementation of a perfect Connect Four solver.1,525MIT connect-four-solverA strong and perfect connect four solver in Rust5,490AGPL-3.0 connect-ioUnified async/sync transport library for TCP, UDP, and Serial protocols107MIT connect-rpcConnect RPC for Rust.2,893non-standard connect-stream-typesType definitions for streaming types used internally by Nominal Connect1,449MIT OR Apache-2.0 connect-user-valueProvides the `UserValue` enum and related types for representing user-facing values within Nominal Connect1,447MIT OR Apache-2.0 connect-zmq-typesType definitions for ZMQ message serialization and deserialization used internally by Nominal Connect1,330MIT OR Apache-2.0 connect2axumRuntime helpers for generated REST and WebSocket wrappers over ConnectRPC services107MIT OR Apache-2.0Network programmingWeb programming connect2axum-codegenProtoc generators for REST, WebSocket, OpenAPI, and AsyncAPI wrappers over ConnectRPC services71MIT OR Apache-2.0Development tools::Build UtilsWeb programming connect2axum-scalarEmbedded Scalar API reference routes for connect2axum OpenAPI documents34MIT OR Apache-2.0Web programming connect4-comsStores common structs used in connect4-server and connect4-web3,271GPL-3.0-or-later connect4-libA library containing logic and AI for connect4 and Toot and Otto3,888GPL-3.0-or-later connect4-serverA server which interacts with connect4-lib1,701GPL-3.0-or-later connect4-webWebassembly frontend for connect4-lib, connect4-server, connect4-coms1,972GPL-3.0-or-later connect_fourConnect 4 written in rust12,963MIT connectboxAPI client library for the Compal CH7465LG, which is a cable modem provided by various European ISPs under the name Connect Box.2,758EUPL-1.2 connected-papersA Rust client for Connected Papers integrated with Semantic Scholar utilities.48MIT or Apache-2.0 connected_socketConnect() for UDP sockets21,996GPL-2.0 connectedpapersUnoffical client for connectedpapers API1,533MIT connecteerWIP - A high level network library that levrage serde's ability to (de)serialize vast types of data1,532MIT OR Apache-2.0 connectfourA Connect Four game with an animated terminal interface, configurable via CLI, supporting multiple simultaneous game instances.26GPL-3.0-or-later connectionA TCP connection that can read and write serializable data8,584MITAsynchronousNetwork programming connection-layerDatagram Connection Hash Layer2,125MIT connection-poolA high-performance, generic async connection pool for Rust with background cleanup and comprehensive logging11,801MITAsynchronousDatabase interfaces connection-stringConnection string parsing in Rust (and WebAssembly)5,305,685MIT OR Apache-2.0 connection-string-parserA command line application to parse connection strings13,247MIT connection-utilsConnection related utilities.8,359MIT connection_hubConnection management data structure1,236GPL-3.0 connection_string_generatorA VERY simple crate to generate database connection strings programmatically.2,280MITDatabase interfaces connectionsGalois connections as first-class values: lawful numeric casts, Q-format / IEEE / time ladders314MITEncodingMathematics connectorconnector lib for solana61MIT connector-cliCLI for interacting with Tauri apps via tauri-plugin-connector205MITCommand line utilitiesDevelopment tools connector-clientShared WebSocket client for tauri-plugin-connector381MITDevelopment toolsNetwork programming connector-mcp-serverMCP server for tauri-plugin-connector (Rust)206MITDevelopment tools connector-sdkA SDK to communicate with an enmeshed connector9,820MIT OR Apache-2.0 connector_arrowLoad data from databases to Apache Arrow, the fastest way.129,297MIT connectorxLoad data from databases to dataframes, the fastest way.108,049MIT connectrA super lightweight Spotify controller.14,307Apache-2.0API bindingsMultimedia::Audio connectronEmpty crate, used only to reserve the name.1,994MIT/Apache-2.0 connectrpcA Tower-based Rust implementation of the ConnectRPC protocol5,235,924Apache-2.0Network programmingWeb programming::HTTP client connectrpc-axumaxum style and axum compatible Connect Protocol server36,048MIT connectrpc-axum-buildCode generation for connectrpc-axum35,129MIT connectrpc-axum-clientConnect protocol client for connectrpc-axum277MIT connectrpc-axum-coreCore protocol types for connectrpc-axum (shared between client and server)34,417MIT connectrpc-buildBuild-time integration for connectrpc (use in build.rs)450,112Apache-2.0Development tools::Build Utils connectrpc-codegenLibrary for generating ConnectRPC Rust service bindings from proto descriptors545,149Apache-2.0Development tools::Build Utils connectrpc-healthgRPC health-checking service for connectrpc (wire-compatible with grpc_health_v1)5,429Apache-2.0Network programmingWeb programming::HTTP server connectrpc-reflectiongRPC server reflection service for connectrpc (wire-compatible with grpc.reflection.v1 and v1alpha)5,337Apache-2.0Network programmingWeb programming::HTTP server connectrpc-workersConnectRPC ClientTransport implementations backed by the Cloudflare Workers fetch APIs (service bindings + global fetch).119MITAPI bindingsAsynchronous connexA tcp communication library that supports custom encryption and decryption and automatic reconnection.3,165MITNetwork programming connexaHigh level abstraction of rust-libp2p4,685Apache-2.0 OR MITAsynchronousNetwork programming conniecsA simple ECS system based off of the `ecs` crate, but with some minor API adjustments and derive macros for implementing most of…10,946MIT conniecs-deriveProvides proc macros for deriving most of the boilerplate in the `conniecs` crate8,902MIT connmanA ConnMan library that abstracts the D-Bus layer4,846MIT/Apache-2.0API bindingsAsynchronous connorTerminal-native CI/CD pipeline runner — TOML config, DAG-parallel execution, no server13MITCommand line utilitiesDevelopment tools connparseParse database connection strings, DSNs, URLs, file paths, and cloud storage URIs.105Apache-2.0ConfigurationDatabase interfaces connpassConnpass API library in Rust.3,099MIT connpass-rsAn api client for connpass.com1,692MIT connpoolA concurrent, generic connection pool for Rust21,649MITAsynchronousNetwork programming conntrackNetfilter Conntrack55,744non-standardNetwork programming connxtoolkit for coding2,719MIT conogramAn async wrapper for Telegram Bot API18,323MITAPI bindingsAsynchronous conogram-derivesDerive macros for conogram23MIT conor-crateA short description of my package4,492MIT OR Apache-2.0 conptyA library which provides an interface for ConPTY370,834MITOperating systemsOperating systems::Windows APIs conpty-bindingsA windows bindings for conpty library2,711MIT conpubAgent-first CLI for publishing local knowledge files to Confluence Cloud101MITCommand line utilitiesText processing conquePlaceholder to avoid name shadowing2,819Unlicense conquerconcurrent data structures and concurrency utils1,927MIT/Apache-2.0 conquer-onceSynchronization primitives for lazy and one-time initialization1,627,778MIT/Apache-2.0ConcurrencyMemory management conquer-structprovides macros to perform concurrent future resolution, while populating struct fields1,589MIT OR Apache-2.0AsynchronousDevelopment tools conquer-utilutilities for concurrent and lock-free programming1,585,261MIT/Apache-2.0ConcurrencyNo standard library conquererDAG analyzer for orchestrating concurrent code.890MIT conquerstellar-tauri-coreConquerstellar Core plugin for Tauri358MITDevelopment toolsGUI conquerstellar-tauri-plugin-rust-solid-coreConquerstellar Core plugin (Rust + SolidJS) for Tauri 2.0 apps637MIT OR Apache-2.0Development toolsGUI conqueueYet another multi-producer, single-consumer queue (MPSC)186,017MIT conradRust authentication framework2,730MIT conrad-coreRust authentication framework3,130MIT conrad-oauthRust authentication framework2,045MIT conrad-tokensRust authentication framework2,034MIT conregControl and Regulation1,697ISCNo standard library conreg-clientConreg is a distributed configuration and registration center similar to Nacos, and conreg client is conreg's client SDK1,575Apache-2.0 conreg-cmtconreg-cmt is a management tool provided for conreg clusters, used for cluster creation, scaling up, and scaling down.373Apache-2.0 conreg-feign-macroProcedural macros for conreg-client Feign-like declarative HTTP client101Apache-2.0 conrigConfigure once, use anywhere.5,757MIT OR Apache-2.0ConfigurationDevelopment tools conrodDEPRECATED. See `conrod-core`.535,014MIT OR Apache-2.0GUI conrod_coreAn easy-to-use, 100% Rust, extensible 2D GUI library.268,003MIT OR Apache-2.0GUI conrod_deriveA crate providing procedural macros for the conrod library348,583MIT OR Apache-2.0 conrod_example_sharedA small crate for sharing common code between conrod examples.27,987MIT OR Apache-2.0GUI conrod_floatwinA virtual windowing library for Conrod UI.2,993MIT OR Apache-2.0GraphicsGUI conrod_gfxAn easy-to-use, 100% Rust, extensible 2D GUI library.27,246MIT OR Apache-2.0GUI conrod_gliumAn easy-to-use, 100% Rust, extensible 2D GUI library.58,838MIT OR Apache-2.0GUI conrod_pistonAn easy-to-use, 100% Rust, extensible 2D GUI library.33,618MIT OR Apache-2.0GUI conrod_promptA small conrod library for creating user prompt widgets7,241MIT OR Apache-2.0 conrod_rendyA rendy backend for conrod.11,824MIT OR Apache-2.0GUI conrod_vulkanoAn easy-to-use, 100% Rust, extensible 2D GUI library.49,959MIT OR Apache-2.0GUI conrod_wgpuA crate to assist with rendering conrod UIs via wgpu.122,209MIT OR Apache-2.0GUI conrod_winitAn easy-to-use, 100% Rust, extensible 2D GUI library.205,426MIT OR Apache-2.0GUI consFast and simple hash consing6,000MIT/Apache-2.0 cons-lawsParticle methods to solve 1D conservation laws18,276MITAlgorithmsMathematics cons-listAn immutable singly-linked list, as seen in basically every functional language15,900MIT/Apache-2.0 cons-rsA crate containing a Cons data structure.31,739MITData structuresNo standard library cons_cellSwiss knife for heterogenous containers525MIT-0 consalifoldConsensus Secondary Structure Predictor Engaging Structural Alignment-based Error Correction28,052MIT consalignRNA Structural Aligner Based on Transfer-learning and Thermodynamic Ensemble Model12,428MIT conscienceEvaluate the impact of AI-assisted work — measuring velocity, quality, business value, developer experience, and ethical…17MITCommand line utilitiesDevelopment tools consciousness_experimentsRustyWorm: Universal AI Mimicry Engine with Dual-Process Architecture23MITCommand line utilitiesSimulation consclra rust library to make console text colorful5,140MIT consecratesTiny but virtuous crates.io client.16,780MIT consecuitA functional web UI framework that uses the type system for hooks and more3,742LGPL-2.1WebAssemblyWeb programming consecuit_htmlHTML components for the Consecuit web UI framework.2,964LGPL-2.1WebAssemblyWeb programming consecuit_macrosMacros for the Consecuit web UI framework.3,180LGPL-2.1 consecutive-vecmaplike VecMap, but the keys just need to be clustered together, not necessarily close to 0.6,986MIT consensusPure Rust implementation of Bitcoin consensus2,136MIT consensus-notificationsThe notification interface between state sync and consensus15,332Apache-2.0 consensus-raftRaft consensus protocol simulation: leader election, log replication, commitment, membership changes17MITAlgorithmsSimulation consensus-typesAptos consensus types18,076Apache-2.0 consensusmindAutonomous AI researcher for blockchain consensus mechanisms18Apache-2.0Science conseqMacro to conditionally repeat a piece of code in a sequence.2,534MIT OR Apache-2.0 conservation-checkerTrack quantities that must not decrease across operations — one-sided conservation laws for budgets, energy, quotas, and more.79MITAlgorithmsDevelopment tools::Testing conservation-compilerExperiment: mini compiler that verifies energy conservation at each compilation step. Rejects transforms that violate ternary…16Apache-2.0 conservation-composerAlgorithmic composition maximizing spectral conservation — jazz ii-V-I as math16MIT conservation-enforcer-rsConservation-law enforcement for LLM outputs, backed by a FLUX bytecode policy VM15MIT OR Apache-2.0Embedded developmentVirtualization conservation-lawGeneralized conservation law framework: γ + H = C47MIT conservation-lintA cargo-compatible linter that verifies conservation laws across Rust crates at build time16MIT conservation-matrixConservation laws in ternary agent systems — avoidance ratio, fitness convergence, ecological resilience16MITMathematicsScience conservation-protocolAgent communication via Laplacian gossip — the network topology IS the message16MITAlgorithmsMathematics conservation-regimeConservation ratio regime detection, anomaly analysis, and spectral forecasting for time-varying graphs — pure Rust17MITMathematicsScience conservation-sheaf-flowConservation sheaf flow algorithms for topological data analysis17MIT conservation-spectral-coreSpectral analysis of tension graphs for anomaly detection, fingerprinting, and structural health17MITData structuresMathematics conservation-spectral-topologyConservation-Spectral-Topology (CST) unified framework for spectral graph analysis15MITMathematicsScience conservation-verifyTools to verify and test conservation laws in ternary agent systems35MIT conservatorconservator is the orm based on sqlx9,985MIT conservator_macroconservator macro13,248MIT conserveA robust backup tool.46,741GPL-2.0 conserve-fuseConserve backup tool FUSE filesystem4,672GPL-2.0 conshashA library to do consistent hashing in Rust.9,377MIT conshomfoldConsHomfold, which Predicts Global Single RNA Secondary Structures to Consider Sparse Global Pairwise RNA Structural Alignments3,698MIT consiliumMulti-model deliberation CLI — 5 frontier LLMs debate, then Claude judges298MITCommand line utilities consioconsole input3,809MIT consistDead-simple consistent hashing library10,268MIT consistencyA small crate that implements a consistently hashed ring of nodes2,608MIT consistency_modelA tester for distributed system consistency properties like linearizability and sequential consistency.2,217MIT OR Apache-2.0AlgorithmsConcurrency consistencymeshMeasure AI agent output consistency across runs19MITDevelopment tools::Testing consistentConsistent hashing with bounded loads in Rust1,811MIT consistent-hashing-aaA crate that implements the consistent hashing algorithm using BTreeMap3,373MIT OR Apache-2.0 consistent-hashing-rsConsistent hashing with bounded loads implementation in Rust785non-standard consistent-rsConsistent hash package for Rust3,630MITAlgorithms consistent_hashAn implementation of Consistent hashing algorithm59,968MIT consistent_hash_ringA flexible and efficient consistent hash ring121,820MIT consistent_hasherAn implementation of consistent hashing, a technique commonly used in distributed systems to map keys (such as data items or…5,047MIT OR Apache-2.0 consistent_hashingConsistentHashing Alogrithm in Rust10,321MIT consistent_whitespaceA utility that checks for consistent whitespace across your file(s).5,056AGPL-3.0Command line utilitiesData structures ConsistentHashingConsistentHashing Alogrithm in Rust1,894MIT consistenttimeConstant time operations for crypto libraries.232,070Apache-2.0 consola🐨 Elegant Console Logger for Rust and Browser338MITDevelopment tools consoleA terminal and console abstraction for Rust297,950,658MIT console-apiProtobuf wire format bindings for the Tokio console.42,751,403MITAsynchronousDevelopment tools::Debugging console-codesEnums for rendering console codes4,221MIT console-decorateA library for decorating text in the console.5,871MIT console-displayA tui library that focuses primarily on providing high resolution display functionality in the console.35MPL-2.0Command-line interfaceGraphics console-display-macrosMacros for the console-display crate.174MPL-2.0Command-line interfaceGraphics console-gamesA collection of console games written in Rust27,901MIT OR Apache-2.0 console-inputA simple library to help handle keyboard presses in a console4,783MITCommand-line interface console-libA very simple TUI library for Linux (ncurses) and Windows (Win-API)3,162MIT