All 305,250 crates, alphabetically

chrony-candm-deriveProcedural macros for use by chrony-candm3,750,539GPL-2.0-onlyDate and time chrony-confileA full-featured Rust library for parsing, editing, validating, and serializing chrony configuration files18MITConfigurationNetwork programming chrony-rsA forensic Rust reconstruction of chrony time-discipline behavior (umbrella crate re-exporting chrony-rs-core).62GPL-2.0-onlyDate and time chrony-rs-coreDeterministic time-discipline brain and parity primitives for chrony-rs.130GPL-2.0-onlyNetwork programmingScience chrony-rs-ioReal OS I/O layer for chrony-rs (a faithful port of chrony's socket.c syscall layer).39GPL-2.0-onlyNetwork programmingScience chronyc-rschrony-rs control client and output-parity tool.62GPL-2.0-onlyCommand line utilities chronyd-rschrony-rs daemon/replay binary (lab and forensic modes only — not a production time daemon).62GPL-2.0-onlyNetwork programming chroot-deployA program able to deploy and work with a chroot environment in a quick manner.2,687GPL-3.0-or-laterAccessibilityAPI bindings chrootable-httpsSandbox friendly https client65,965LGPL-3.0 chrsCLI ChRIS client43,346MITCommand line utilitiesScience chrustophChrustoph, the one and only2,958non-standard chry_minigrepA simple grep implementation from The Rust Programing Book.《Rust 程序设计语言》中的一个项目例程：获取一个文件名和一个字符串作为参数，接着读取文件并找到其中包含字符串参数的行，然后打印出这些行。1,678MulanPSL-2.0 chrysalisParsing library for Perl's Storable and Sereal serialization formats.92MIT OR Apache-2.0EncodingParser implementations chrysalis_rsTransform logs into beautiful, structured JSON for web UIs2,097MIT OR Apache-2.0Development toolsWeb programming chrysanthemumA toy pure-functional language that compiles to SPIR-V1,884MIT / Apache-2.0Graphics chrysoChryso is a Calcite-style SQL parser + optimizer engine in Rust.135Apache-2.0 chryso-adapterChryso adapter crate.308Apache-2.0 chryso-adapter-veloxVelox adapter for Chryso.100Apache-2.0 chryso-coreChryso core crate.756Apache-2.0 chryso-ffiChryso ffi crate.41Apache-2.0 chryso-metadataChryso metadata crate.539Apache-2.0 chryso-optimizerChryso optimizer crate.219Apache-2.0 chryso-parserChryso parser crate.610Apache-2.0 chryso-parser-yaccChryso parser-yacc crate.41Apache-2.0 chryso-plannerChryso planner crate.463Apache-2.0 chsAll things chess.1,986MIT OR Apache-2.0 chsi00_test_rpn_calcRPN(Reverse Polish Notatio) library1,632MIT OR Apache-2.0 chsl2D Game Physics Engine supporting Joints/Constraints2,319MIT chstrA macro to convert a character array into a string at compile time.1,706MIT OR Apache-2.0 chtLockfree resizeable concurrent hash table.68,590AGPL-3.0-or-later chthollyImplementation of Chtholly Tree, a data structure originated from CF896C.3,120MIT OR Apache-2.0 chtholly_treeRust bindings for Chtholly Tree2,933MITAlgorithmsData structures chtshRust CLI for interacting with https://cht.sh3,042MITAsynchronousCommand line utilities chttpThe practical HTTP client that is fun to use.104,746MITWeb programming::HTTP client chu-liu-edmondsMST decoding using Chu-Liu-Edmonds1,718MIT OR Apache-2.0 chuaA client that uploads file upload in chunks.1,754MIT chubChub: agent-agnostic context, tracking, and cost analytics for AI-assisted development27MITCommand line utilitiesDevelopment tools chub-cliChub: agent-agnostic context, tracking, and cost analytics for AI-assisted development308MITCommand line utilitiesDevelopment tools chub-coreChub: agent-agnostic context, tracking, and cost analytics for AI-assisted development406MITCommand line utilitiesDevelopment tools chubby_bunny_bindgenProcedural macros for chubby_bunny WebAssembly bindings. This library is part of the Chubby Bunny project.38MITDevelopment tools::Procedural macro helpersWebAssembly chubby_bunny_canvas_rendererCanvas renderer for chubby_bunny soft-body simulations36MITGraphicsRendering chubby_bunny_coreWASM compatible Soft-body physics library for 2D simulations. This library is part of the Chubby Bunny project.54MITScienceWebAssembly chubby_bunny_svgSVG parsing and constraint generation for chubby_bunny. This library is part of the Chubby Bunny project.46MITGraphicsParser implementations chuchiHttp async library based on hyper and tokio7,202MIT OR Apache-2.0Web programming chuchi-codegenCodegen for chuchi4,132MIT OR Apache-2.0Web programming chuchi-coreTypes used in chuchi4,210MIT OR Apache-2.0Web programming chuchi-cryptoCrypto library providing encryption and signing.5,299MIT OR Apache-2.0Cryptography chuchi-postgresA wrapper around tokio-postgres to simplify working with Postgres databases.10,585MIT OR Apache-2.0 chuchi-postgres-deriveDerive types for chuchi-postgres2,005MIT OR Apache-2.0 chuchi-postgres-typesCommon types when working with Postgres in Rust2,004MIT OR Apache-2.0 chuchi-ssrRun javascript ssr in rust2,349MIT OR Apache-2.0Web programming chuckA non-self-describing text data format that is just all-around kind of stupid767GPL-3.0-or-laterEncoding chuckfmtA fast code formatter => ChucK programming language18MIT chudaCUDA-accelerated high quality truecolour ANSI image renderer76LGPL-3.0-or-laterCommand line utilitiesMultimedia::Images chudnovskyCalculate π using the Ramanujan–Sato series3,668MPL-2.0 chugEstimate time remaining for a long-running process4,998MIT chug-cliThe fastest way to consume Homebrew bottles2,381MIT chuk-mcpModel Context Protocol (MCP) client and server library with stdio, Streamable HTTP, and SSE transports13Apache-2.0API bindingsAsynchronous chuk-speccy-displayPresentation pipeline: indexed framebuffer -> theme -> effects -> RGBA. Standalone, no emulator deps.79MIT OR Apache-2.0 chuk-speccy-gamesDemo games built on chuk-speccy-sdk (Snake + the input/typing/mover demos). Content that consumes the SDK — not part of the…30MIT OR Apache-2.0 chuk-speccy-sdkNative Rust game SDK for the Spectrum: write Game::update, run over the trap ABI.67MIT OR Apache-2.0 chuk-speccy-spectrumThe 48K Spectrum machine: memory, ULA, contention, ports — over the z80 core.83MIT OR Apache-2.0 chuk-speccy-wosWorld of Spectrum search + download (ZXInfo API).49MIT OR Apache-2.0 chuk-speccy-z80Pure, no_std Z80 CPU core (registers, decode, Bus trait).43MIT OR Apache-2.0 chullConvex hull approximation59,040MIT/Apache-2.0 chull-adaptProvides collision detection ability377non-standardSimulation chumA general-purpose ClickHouse schema migration tool (library + CLI).125MIT OR Apache-2.0Command line utilitiesDatabase interfaces chumpSelf-hosted Rust agent: OpenAI-compatible inference, rich tools, SQLite state, optional web PWA and Discord28MIT chump-agent-leasePath-level optimistic leases for multi-agent coordination on a shared repo. Drop-in for any Rust-hosted agent system that needs…110Apache-2.0ConcurrencyDevelopment tools chump-ambient-cliSchema-enforced, multi-writer, append-only structured telemetry. A drop-in observability bus for local-first apps and solo-dev…18AGPL-3.0-onlyCommand line utilitiesDevelopment tools chump-belief-statePer-tool reliability beliefs (Beta distribution) + task-level uncertainty for LLM agents. Bayesian updates each turn drive…76MITAlgorithmsScience chump-cancel-registryTiny global registry of per-request CancellationToken handles, keyed by string id. Pair with tokio_util::sync::CancellationToken…90Apache-2.0AsynchronousConcurrency chump-coordNATS-backed atomic coordination layer for multi-agent Chump sessions. Phase 1: KV claim store + JetStream event bus alongside the…37AGPL-3.0-onlyConcurrencyDevelopment tools chump-cost-trackerPer-session cost visibility for LLM agents: atomic per-provider call counts, token tallies (input/output), and Tavily credit…94Apache-2.0ConcurrencyDevelopment tools chump-gap-storeSQLite-backed gap registry: status tracking, dependency graph, blame lineage, per-file YAML mirrors. Canonical store for the…15Apache-2.0Database interfacesDevelopment tools chump-mcp-githubMCP server for GitHub operations — JSON-RPC over stdio33AGPL-3.0-onlyCommand line utilitiesDevelopment tools chump-mcp-lifecyclePersistent per-session MCP (Model Context Protocol) server lifecycle: spawn child processes on session open, route JSON-RPC calls…106Apache-2.0ConcurrencyDevelopment tools chump-messagingPlatform-agnostic messaging trait for LLM agents: MessagingAdapter contract for Telegram/Slack/Matrix/Discord/web adapters PLUS…95Apache-2.0API bindingsAsynchronous chump-orchestratorAUTO-013 — Chump self-dispatching orchestrator. MVP steps 1-4: gap-picker, subprocess spawn, monitor loop, reflection writes per…89AGPL-3.0-onlyDevelopment tools chump-perceptionStructured perception layer for LLM agents: rule-based extraction of entities, constraints, risk indicators, ambiguity score, and…89Apache-2.0Parser implementationsText processing chump-tool-macroProc macro for Chump tools: derive name, description, input_schema from attributes94Apache-2.0Development tools::Procedural macro helpers chumskyA parser library for humans with powerful error recovery25,315,054MITParsing toolsText processing chumsky-branchbranch combinator for the chumsky parsing library4,129MIT chumsky-proc-macroUtils for parsing proc macros using chumsky3,2850BSD chuninChecks Union1,788LGPL-3.0-onlyCommand line utilitiesConfiguration chunkThe fastest semantic text chunking library — up to 1TB/s chunking throughput14,211MIT OR Apache-2.0AlgorithmsText processing chunk-diffA fast and memory-efficient library for computing the difference between two frames of rect.1,693MITAlgorithms chunk-flow-fieldLibrary for make flow field in grid map. using box-shaped chunk.37MIT OR Apache-2.0 chunk-flushFlush-on-newline buffer for streaming LLM output. Holds bytes until a newline or N millis pass, then yields a complete chunk.…17MIT OR Apache-2.0Text processing chunk-json-liteA little tool to split a json into multiple valid json array of a given max size1,865MIT chunk-readerreads octets async on multiple platforms9,287MITAsynchronousFilesystem chunk-streamerChunk Streamer library streams Autonomi data as a futures::stream8,007GPL-3.0Network programming chunk-your-skillsDecompose agent SKILL.md files into page-indexed nodes and recompose skinny skills716Apache-2.0Command line utilitiesDevelopment tools chunk-your-toolsMCP tool schema decomposition and recomposition689Apache-2.0Command line utilitiesDevelopment tools chunk_iterChunked iterator generic over any iterator.7,994MIT OR Unlicense chunk_norrisA Rust library for splitting large text into smaller batches for LLM input.2,393MIT OR Apache-2.0Text processing chunk_storeA simple, non-persistent, disk-based key-value store.12,864GPL-3.0 chunkedAn Entity Component System that works by organising like entities into chunks3,095MITData structuresGame development chunked-bufferA chunked buffer for memory constrained systems85,685Apache-2.0 chunked-bytesA rope-like non-contiguous buffer for efficient data structure serialization and vectored output.20,217MITData structuresNetwork programming chunked-range-allocA simple generic range allocator for chunked external memory376MIT OR Apache-2.0Game developmentMemory management chunked-transfer-codingEncoder and decoder for HTTP chunked transfer coding (RFC 2616 § 3.6.1)2,562Apache-2.0 chunked-uploaderA resumable chunked upload server supporting large files (>10GB) with Cloudflare compatibility41MIT chunked-walChunked write-ahead log implementation1,922MIT OR Apache-2.0AlgorithmsData structures chunked_transferEncoder and decoder for HTTP chunked transfer coding (RFC 7230 § 4.1)63,622,062MIT OR Apache-2.0 chunked_transfer_cliCommand-line tool to encode into or decode from HTTP chunked transfer coding (RFC 7230).2,822ISC chunked_transfer_encodingChunked transfer encoding2,849Apache-2.0 OR MIT chunked_vecA chunk-oriented vector collection with fixed-size chunk storage5,166MITData structures chunkedgeA Minecraft server framework.18MIT chunkedrsAI-native text chunking — recursive, markdown-aware, and semantic splitting with token-accurate boundaries213MITText processing chunkerMinimalistic parallel executor7,365MITConcurrency chunkfsAn in-memory file system that can be used to compare different deduplication algorithms3,168MITAlgorithmsFilesystem chunkieComing Soon™1,773ISCCommand line utilities chunkifyA simple and efficient chunking library for Rust.20,732MITNetwork programmingWeb programming chunkioA chunked stream protocol that allows for sending and receiving chunks of data asynchronously over an I/O system.4,288Apache-2.0 chunkiuA learning NLP project2,395MPL-2.0 chunklistA Chunk List is a new, concurrent, chunk-based data structure that is easily modifiable and allows for fast runtime operations.894Apache-2.0ConcurrencyData structures chunknd[placeholder] Common traits for chunked N-D tensor storage libraries1,702MIT/Apache-2.0 chunkrA fast and quick chunking library for rust4,127MIT chunkrsA high-performance, deterministic, flexible and portable zero-copy streaming Content-Defined Chunking (CDC) and hashing…105MITAlgorithmsData structures chunksParallel-ish chunk loading that might make things slower.3,982Unlicense chunks-exacterExtension traits on slices to allow for const-generics chunks_exact2,982MIT chunks-rsA library for making GTK4 widgets, inspired by Elkowar's Wacky Widgets.34,841MIT OR Apache-2.0FilesystemGUI chunkshop-rsStandalone ingest-to-pgvector: source -> chunker -> embedder -> extractor -> table. int8 BGE by default; bakeoff matrix evaluator…392MITDatabase interfacesScience chunksplitterSplit and merge Minecraft Bedrock Edition worlds for version control79MITCommand line utilitiesGame development chunksplitter-cliCLI for splitting and merging Minecraft Bedrock Edition worlds for version control22MITCommand line utilitiesGame development chunkstore-coreContent-addressed chunk storage with deduplication and refcount GC36MITCryptographyFilesystem chunkyAbstract storage of heterogeneously-sized entity-collections28,698MIT chunky-bevyA simple and efficient chunk management system for Bevy446MIT OR Apache-2.0Game developmentGame engines chunky-bitsChunky Bits is simple, unmanaged, distributed HTTP object store tool.3,031MIT chunky-vecA pin safe, append only vector never moves the backing store for an element.350,633Apache-2.0/MITData structures chunnelAsync mpmc(multi producer multi consumer) channel958MITAsynchronousData structures chuokuA lib to store/restore aws cli credential3,082Apache-2.0 chuotAGPL licensed and opinionated game engine for pixel-art games9,223AGPL-3.0Game enginesGames chuot-macrosProcedural macros for the Chuột game engine8,331AGPL-3.0 chuot-packer2D texture packing for the Chuột game engine5,497AGPL-3.0 chuqinThin Rust integration layer for the ChuQin Python toolkit16MIT churA wrapper around tonic-build which adds dependencies7,809MIT chur-buildA wrapper around tonic-build which adds dependencies6,964MIT chur-macrosA wrapper around tonic-build which adds dependencies6,000MIT church-langChurch compiler - simple, safe, and fast2,778MIT church-slavonicStarter Russian Church Slavonic morphology library17MIT OR Apache-2.0 church-slavonic-coreRule-based Russian Church Slavonic morphology core55MIT OR Apache-2.0 churlA fast terminal API client — craft, send, and inspect HTTP requests350MIT OR Apache-2.0Command line utilities churl-coreCore library for churl: HTTP request model, persistence, execution512MIT OR Apache-2.0Command line utilitiesWeb programming::HTTP client churnChurn is a distributed configuration manager and engine1,558non-standard churn-agentChurn is a distributed configuration manager and engine1,565non-standard churn-domainChurn is a distributed configuration manager and engine2,949non-standard churn-serverChurn is a distributed configuration manager and engine1,528non-standard churnlensHigh-performance code complexity and churn analysis engine91MITCommand line utilitiesDevelopment tools churroA Rust crate to make Chatto bots.35Apache-2.0 chutSecret scanner27MIT chuteLockfree mpmc/spmc broadcast queue.6,174MIT OR Apache-2.0ConcurrencyData structures chute-kunTaskChute + Todoist CLI/TUI — Rust TUI template using ratatui + crossterm382MITCommand line utilitiesDate and time chvtchanges tty programatically in Rust9,428GPL-3.0 chwblConsistent Hashing with Bounded Loads364non-standard chwdTemporarily change current working directory, switching back when finished.3,737non-standardFilesystem chwpChange your wallpaper from the command line interface.225,487MITCommand line utilities chxA TUI hex editor40MIT chxssChess data processing toolkit: tools for PGN and EPD files15MIT chyiyaqing_artA test cargo.io327MIT chymistmultipurpose chemistry library1,744Apache-2.0MathematicsScience chzzkUnofficial SDK for the Korean video streaming platform Chzzk5,847MITAPI bindings chzzk-libUnofficial rust library for the CHZZK API49MITAPI bindings ciA powerful CLI tool for parsing, analyzing, and managing CODEOWNERS files. Provides advanced querying capabilities, ownership…4,250MIT ci-battery-packBattery pack for CI/CD workflows in Rust projects156MIT OR Apache-2.0 ci-battery-pack-testCI battery pack test365MIT OR Apache-2.0 ci-cargoContinuous integration using cargo for Clippy and tests for all possible features.140MIT OR Apache-2.0Command line utilitiesDevelopment tools::Testing ci-detectiveQuery CI environment.2,964MIT OR Apache-2.0Development tools::Testing ci-generateGenerate a new project for some build systems with the use of templates.1,636MIT ci-hooverci-hoover will delete stuff you don't want from github actions runners6,579MITDevelopment tools ci-idAmbient OIDC credentials detection on CI systems5,716Apache-2.0 ci-id-binCLI app to detect ambient OIDC credentials on CI systems4,557Apache-2.0 ci-managerParse GitHub/GitLab workflows and do stuff like create issues9,888MITCommand line utilities ci-publish-testThrowaway crate for testing the GitHub Actions -> crates.io publish cycle34MIT ci-statusDisplays CI statuses right in your terminal1,587MIT OR Apache-2.0Development tools::Testing ci-testing-kbartushXDR object serialization for Rust3,211MIT ci-tronci-tron1,486non-standard ci_envDetect CI information from the environment.57,917MITDevelopment tools ci_groupRAII log groups for GitHub Actions and Azure Pipelines. Fixes swallowed logs.2,690MIT OR Apache-2.0Development tools ci_infoProvides current CI environment information.5,879,631Apache-2.0Development toolsDevelopment tools::Build Utils ciabCIAB — Manage coding agent sandboxes with a single Rust API21MITCommand line utilitiesDevelopment tools ciab-agent-claudeClaude Code agent provider for CIAB296MIT ciab-agent-codexOpenAI Codex agent provider for CIAB298MIT ciab-agent-cursorCursor CLI agent provider for CIAB196MIT ciab-agent-geminiGemini CLI agent provider for CIAB195MIT ciab-apiREST API server for CIAB86MIT ciab-channelsCommunication channels for CIAB141MIT ciab-cliCLI for managing coding agent sandboxes20MIT ciab-coreCore types, traits, and errors for CIAB880MIT ciab-credentialsEncrypted credential store and OAuth2 for CIAB347MIT ciab-dbSQLite persistence layer for CIAB486MIT ciab-gatewayAPI gateway and discovery for CIAB142MIT ciab-packerHashiCorp Packer image builder for CIAB74MIT ciab-provisioningSandbox provisioning pipeline for CIAB298MIT ciab-sandboxLocal process and Docker sandbox runtimes for CIAB348MIT ciab-sandbox-ec2AWS EC2 runtime backend for CIAB178MIT ciab-sandbox-k8sKubernetes runtime backend for CIAB203MIT ciab-streamingSSE broker and event streaming for CIAB296MIT ciabattaA command line tool for publishing artifacts to various registries328MITCommand line utilitiesDevelopment tools