All 305,250 crates, alphabetically

cdumay_error_yamlA Rust Library for YAML error4,271non-standard cdumay_httpA Rust Library for HTTP data506non-standard cdumay_http_clientA library to call remote web application3,750BSD-3-ClauseAuthenticationData structures cdumay_jsonA Rust Library for JSON1,309non-standard cdumay_rest_clientA library to call remote REST API application1,335BSD-3-ClauseAuthenticationData structures cdumay_resultA library to serialize and deserialize result using serde5,863BSD-3-ClauseCachingData structures cdumay_sodiumA Rust Library to use sodium914non-standard cdumay_tomlA Rust Library to use TOML893non-standard cdumay_yamlA Rust Library to manipulate YAML data904non-standard cdupAscend directories by count6,494GPL-3.0-only cdviz-collectorA service and CLI tool for collecting SDLC/CI/CD events and dispatching them as CDEvents21,656Apache-2.0 cdwChange directory to a Windows path in WSL with ease1,328MIT cdwecd with env vars13,496MITCommand line utilities cdwifiSimple login tool for public wifi in ČD trains5,4300BSDCommand line utilities cdxLibrary and application for text file manipulation and command line data mining, a little like the gnu textutils32,788MIT OR Apache-2.0Command-line interfaceCommand line utilities cdx-cliCommand-line interface for working with Codex Document Format (.cdx) files113MIT OR Apache-2.0Command line utilities cdx-coreCore library for reading, writing, and validating Codex Document Format (.cdx) files209MIT OR Apache-2.0Data structuresEncoding cdxlibNow defunct, contents rolled into the cdx crate5,513MIT OR Apache-2.0 cdylib-link-linesCollection of link-lines useful to build correct cdylibs on targets676,945MIT cdylib-pluginSupport plugin-style cdylib crates.10,348PostgreSQL OR MIT cdylib-shimA macro for creating dynamic library shims that can intercept and modify function calls2,466MIT cdylib-shim-macrosA macro for creating dynamic library shims that can intercept and modify function calls2,123MIT ceWIP. Cat & echo.2,116MIT ce-cliA command line tool for building and managing Liferay remote app projects.15,724MIT OR Apache-2.0 ce092fd8b22e05e731c55852A test crate for crates.io1,106MIT ceaChemical Equilibrium Analyzer1,679MIT cea-corecea-core — RecursiveIntell Forge primitive78MIT cea-sqliteSQLite implementation of the cea-store contract64MIT cea-storeStorage contract and row types for causal edit attribution graphs72MIT cea608Minimal CEA-608 pop-on caption sequence builder.29MIT cea608-typesClosed Caption 608 types, parser and serializer166,447MITMultimedia::Encoding cea708-typesClosed Caption 708 types, parser and serializer243,972MITMultimedia::Encoding cealOpportunistic E-Mail Encryption - Stand-Alone Library and Extensions for Lettre383EPL-2.0CryptographyEmail cealignImplementation of the Combinatorial Extension (cealign) algorithm to align protein structures400BSDCommand line utilitiesScience ceasaA small lib for Rust1,376MIT ceasa_libA small lib for Rust761MIT ceasar_macroA proc macro for evaluating ascii alphabetic character ciphers.2,762MIT cebollaA convenience layer over Arti for building and connecting to Tor hidden services115ISC cec-alsa-syncUtility to synchronize ALSA volume with commands from HDMI CEC31,224GPL-2.0Command line utilities cec-dpmsSimple program to power on/off TV by simulating DPMS feature using HDMI CEC2,941GPL-2.0Command line utilities cec-rsThin but safe wrapper for libcec39,846GPL-2.0API bindings cec_linuxA pure rust library to use the HDMI-CEC linux API5,808MIT cecdDaemon for userspace interactions with CEC on Linux77LGPL-2.1-or-laterHardware support cecd-proxyDaemon for userspace interactions with CEC on Linux (zbus proxy)2,163LGPL-2.1-or-laterHardware support CecileCecile Programming Language that is designed to be simple, fast21,709MITCompilers cecile-supercool-trackerMachine learning framework for building object trackers and similarity search engines3,773Apache-2.0AlgorithmsComputer vision cecsEntity database for the game 'Cao-Lo'9,419MIT cedDead easy csv editor15,539MIT OR Apache-2.0Command line utilitiesText processing cedarReactive, functional library for creating GUI applications5,618MIT cedar-agentCedar-Agent is an HTTP server designed to efficiently manage a policy store and a data store. It provides a seamless integration…14,266Apache-2.0 cedar-agent-schemasCanonical Cedar schema library for agent action verbs (exec, open, connect, request_tool). Rust helpers for constructing Cedar…20Apache-2.0AuthenticationCryptography cedar-dbIn memory vector database for semantic search in Rust1,563non-standard cedar-java-ffiJava FFI for Cedar (from the cedar-policy crate).2,383Apache-2.0 cedar-local-agentFoundational library for creating Cedar-based asynchronous authorizers.6,813Apache-2.0 cedar-policyCedar is a language for defining permissions as policies, which describe who should have access to what.6,916,564Apache-2.0CompilersConfiguration cedar-policy-cliCLI interface for the Cedar Policy language.109,214Apache-2.0CompilersConfiguration cedar-policy-coreCore implemenation of the Cedar Policy language.7,450,335Apache-2.0CompilersConfiguration cedar-policy-formatterPolicy formatter for the Cedar Policy Language.5,230,345Apache-2.0CompilersConfiguration cedar-policy-mcp-schema-generatorAuto-Generates Cedar schemas from an MCP server's tool descriptions.415Apache-2.0CompilersConfiguration cedar-policy-symccSymbolic Cedar Compiler (SymCC): translates queries about Cedar policies to SMT15,858Apache-2.0CompilersConfiguration cedar-policy-validatorValidator for the Cedar Policy language.3,040,610Apache-2.0CompilersConfiguration cedarlingThe Cedarling: a high-performance local authorization service powered by the Rust Cedar Engine.549Apache-2.0 cedarwoodefficiently-updatable double-array trie in Rust (ported from cedar)2,851,199BSD-2-ClauseData structuresText processing cedictParser for the CC-CEDICT Chinese-English Dictionary830,831MITParser implementationsParsing tools cedrhcedrh - simple console text-editor with syntax highighting written in Rust23,383MIT OR Apache-2.0Development toolsText editors cedros-admin-serverShared admin server shell for Cedros admin composition40MIT OR Apache-2.0 cedros-dataGeneral-purpose Postgres-backed multi-site content and custom data storage173MIT OR Apache-2.0 cedros-login-serverAuthentication server for cedros-login with email/password, Google OAuth, and Solana wallet sign-in946MITAuthenticationWeb programming cedros-payCedros Pay - Payment processing library and server612MIT OR Apache-2.0 cedros-sunscreenSanctions screening API for blockchain addresses (OFAC, ransomware trackers)55MIT OR Apache-2.0 cedros-tradeSolana trading infrastructure — multi-provider swap routing, token registry, price aggregation57MIT cedrusCedrus REST API server for Cedar Policy37Apache-2.0SecurityWeb programming::HTTP server cedrus-cedarCore library for Cedar Policy serialization and type bindings.347Apache-2.0SecurityWeb programming::HTTP server cedrus-coreBusiness logic and authorization engine for Cedrus.188Apache-2.0SecurityWeb programming::HTTP server cee-scapeThe cee-scape crate provides Rust access to `setjmp` and `sigsetjmp` functionality2,191,849MIT OR Apache-2.0 ceethaneA logging crate designed to make it easy to inject and pass contextual information to log lines2,101MIT OR Apache-2.0 ceetleA Computional Tree Logic (CTL) Verifier1,624MITAlgorithmsMathematics ceetle_macrosProcedural Macros for the ceetle Library2,200MIT cefUse cef in Rust144,118Apache-2.0 OR MIT cef-dll-syscef-rs sys crate133,324Apache-2.0 OR MIT cef-dll-sys-logarithmicacef-rs sys crate23Apache-2.0 OR MIT cef-logarithmicaUse cef in Rust17Apache-2.0 OR MIT cef-sysChromium Embedded Framework raw bindings for Rust. Generated using rust-bindgen.7,108MIT cef2hashmapA Simple CEF Parser to a HashMap6,051non-standardParsing tools cefact-unitsUN/CEFACT Recommendation No. 20 — units of measure46MITData structuresEncoding cefact-units-macrosProc-macro for generating UN/CEFACT unit code types85MITData structuresEncoding cefi-rscefi-rs748MIT cefi-rs-binancecefi-rs-binance977MIT cefi-rs-bybitcefi-rs-bybit972MIT cegaCGA and EGA binary image file processing library8,100UnlicenseCommand line utilities ceglaLow-level parsing library for CGI (and CGI-like protocols)21,152MITNetwork programmingParsing tools cegla-cgiHigh-level CGI implementation for Rust20,661MITNetwork programmingWeb programming cegla-fcgiHigh-level FastCGI implementation for Rust8,208MITNetwork programmingWeb programming cegla-scgiHigh-level SCGI implementation for Rust20,613MITNetwork programmingWeb programming ceilingA simple, lightweight, and highly configurable library for handling and creating rate limiting rules.5,239MIT ceiling-macrosMacros for the ceiling crate5,857MIT cekanjetmux notifier daemon for Claude Code sessions: track every active session, surface a native popup when one needs attention, jump…87MITCommand line utilitiesDevelopment tools celA parser and interpreter for the Common Expression Language (CEL)566,905MITCompilers cel-briefComposable prompt briefing for AI agents: gather sources, enforce token budgets, apply governance, and emit receipts.135Apache-2.0Asynchronous cel-build-utilsBuild utils for google/cel-cpp3,853Apache-2.0Development tools::Build Utils cel-cliA cli for the Common Expression Language (CEL)2,980MIT cel-contextPortable context snapshots for AI agents. Normalize any stream into reusable elements and point-in-time snapshots.198Apache-2.0AsynchronousData structures cel-contractsShared Rust contracts for AI agent actions, planning views, runtime capabilities, and execution receipts.119Apache-2.0Data structures cel-coreHigh-level API for the Common Expression Language (CEL)515MIT OR Apache-2.0 cel-core-lspLanguage Server Protocol implementation for CEL62MIT OR Apache-2.0Development toolsText editors cel-core-parserA CEL (Common Expression Language) parser with error recovery167MIT OR Apache-2.0Development toolsParsing tools cel-core-protoProtobuf types for CEL AST (cel-spec compatibility)377MIT OR Apache-2.0EncodingParsing tools cel-cxxA high-performance, type-safe Rust interface for Common Expression Language (CEL), build on top of cel-cpp with zero-cost FFI…3,789Apache-2.0API bindings cel-cxx-ffiFFI bindings for the cel-cxx crate3,647Apache-2.0API bindings cel-cxx-macrosMacros for the cel-cxx crate2,477Apache-2.0API bindings cel-interpreterAn interpreter for the Common Expression Language (CEL)351,853MITCompilers cel-memoryBackend-agnostic memory traits and value types for AI agents, with scoped retrieval, sessions, and governance hooks.328Apache-2.0AsynchronousData structures cel-memory-duckdbDuckDB embedded memory backend for AI agents, implementing cel-memory.22Apache-2.0AsynchronousDatabase interfaces cel-memory-postgresPostgreSQL + pgvector memory backend for AI agents, implementing cel-memory.21Apache-2.0AsynchronousDatabase interfaces cel-memory-sqliteSQLite-backed local memory for AI agents, implementing cel-memory with FTS and vector search.174Apache-2.0AsynchronousDatabase interfaces cel-parserAn antlr-based parser for the Common Expression Language (CEL)395,484MITParsing tools cel-rsCommon Expression Language (cel) for Rust.2,969MIT cel-summarizerLLM-backed Summarizer implementations (Anthropic + Ollama) for cel-memory.26Apache-2.0Asynchronous celadonCeladon is an interactive AI agent that guides users from initial ideas to project development, including refining names,…23MIT celciusA git cli864non-standard celerA framework for building fast software73MIT OR Apache-2.0 celer-pay-moduleCeler Pay On-chain runtime module1,911MIT celer-pay-module-rpcNode-specific RPC methods for interaction with contracts1,838MIT celer-pay-module-rpc-runtime-apiRuntime API definition required by Contracts RPC extensions.4,655MIT celer_system_linux_ctypesLinux C types for Celer22MIT OR Apache-2.0 celer_system_linux_syscallsLinux syscalls for Celer36MIT OR Apache-2.0 celerisA powerful, git-aware tmux session manager written in Rust with a dynamic control layer in lua, which allows for fast switching…1,204MIT OR Apache-2.0Command line utilities celerityPure Rust sans-IO ZMTP 3.1 messaging core with Tokio TCP and Unix socket transports.35MIT OR Apache-2.0AsynchronousCommand line utilities celerixA minimal, zero-config web framework for Cloudflare Workers160MITWebAssemblyWeb programming celerix-storeA lightweight, low-latency KV data store with 1:1 parity with the orginal golang version, atomic persistence, and AES-256-GCM…112MITCryptographyDatabase implementations celerix_cliCLI for the Celerix web framework — dev, build, deploy236MIT celerix_coreCore library for the Celerix web framework237MIT celerix_macrosProc macros for the Celerix web framework236MIT celersCelery-compatible distributed task queue for Rust (Facade crate)133Apache-2.0AsynchronousConcurrency celers-backend-dbDatabase (PostgreSQL/MySQL) result backend for CeleRS150Apache-2.0AsynchronousDatabase interfaces celers-backend-redisRedis result backend for CeleRS496Apache-2.0AsynchronousCaching celers-backend-rpcgRPC/RPC result backend for CeleRS148Apache-2.0AsynchronousNetwork programming celers-beatPeriodic task scheduler for CeleRS (Celery Beat equivalent)160Apache-2.0AsynchronousDate and time celers-broker-amqpRabbitMQ/AMQP broker implementation for CeleRS153Apache-2.0AsynchronousNetwork programming celers-broker-postgresPostgreSQL broker implementation for CeleRS with FOR UPDATE SKIP LOCKED248Apache-2.0AsynchronousDatabase interfaces celers-broker-redisRedis broker implementation for CeleRS with Lua scripts and priority queues308Apache-2.0AsynchronousCaching celers-broker-sqlSQL database broker implementation for CeleRS (MySQL)145Apache-2.0AsynchronousDatabase interfaces celers-broker-sqsAWS SQS broker implementation for CeleRS148Apache-2.0AsynchronousNetwork programming celers-canvasWorkflow primitives for CeleRS (Chain, Chord, Group, Map)284Apache-2.0AsynchronousConcurrency celers-cliCommand-line interface for CeleRS worker and queue management60Apache-2.0AsynchronousCommand line utilities celers-coreCore traits and types for CeleRS distributed task queue1,098Apache-2.0AsynchronousNetwork programming celers-kombuBroker abstraction layer for CeleRS (inspired by Python Kombu)574Apache-2.0AsynchronousNetwork programming celers-macrosProcedural macros for CeleRS task definitions (#[task], #[derive(Task)])215Apache-2.0AsynchronousDevelopment tools celers-metricsPrometheus metrics and observability for CeleRS577Apache-2.0AsynchronousDevelopment tools celers-protocolCelery Protocol v2/v5 implementation for CeleRS1,070Apache-2.0EncodingNetwork programming celers-workerTask execution runtime for CeleRS with concurrency control and health checks296Apache-2.0AsynchronousConcurrency celeryRust implementation of Celery265,686Apache-2.0 celery-codegenMacros for rusty-celery264,981Apache-2.0 celery-rsCommunity-maintained Rust implementation of Celery (fork of rusty-celery)2,614Apache-2.0 celery-rs-codegenProcedural macros for celery-rs2,670Apache-2.0 celery-rs-coreCore utilities for a celery client and worker in rust7,294Apache-2.0 celesRust crate for handling ISO 3166-1. Each country has a three digit code, two letter code, three letter code, full state name, and…1,310,051Apache-2.0 OR MITEncodingParsing tools celesteCrate for formats from the 2018 game Celeste.16,402MIT OR Apache-2.0 celeste_deriveHelper crate for `celeste`. Should not be used directly; starting in Rust 2018, you can just use `celeste` instead.3,553MIT OR Apache-2.0 celeste_rsLibrary for working with files related to Celeste and it's modding scene.7,336MIT celeste_rs_macrosmacros for celeste_rs2,695MITData structures celestedebugrcClient for interacting with Everest DebugRC8,178MIT celesteloaderCode for working with Maps, Assets, and Mods for the game Celeste8,201MIT celesterenderRenders celeste maps8,200MIT celestia-clientCelestia client combining RPC and gRPC functionality.155,913Apache-2.0API bindingsAsynchronous celestia-coreThis is a hard fork of tendermint to make it compatible with Celestia network. Tendermint is a high-performance blockchain…1,875Apache-2.0CryptographyCryptography::Cryptocurrencies celestia-core-protoThis is a hard fork of tendermint to make it compatible with the Celestia network. celestia-core-proto is the Rust…2,198Apache-2.0CryptographyCryptography::Cryptocurrencies celestia-core-rpccelestia-core-rpc contains the core types returned by a Celestia Core node's RPC endpoint. All networking related features…1,511Apache-2.0Cryptography::CryptocurrenciesNetwork programming celestia-fibreClient library for the Celestia Fibre data availability protocol915Apache-2.0 celestia-grpcA client for interacting with Celestia validator nodes gRPC162,405Apache-2.0API bindingsAsynchronous celestia-grpc-macrosHelper crate for grpc_method macro for creating gRPC client, used by celestia-grpc159,716Apache-2.0 celestia-protoRust implementation of proto structs used in celestia ecosystem547,839Apache-2.0Cryptography::CryptocurrenciesEncoding celestia-rpcA collection of traits for interacting with Celestia data availability nodes RPC351,206Apache-2.0API bindingsAsynchronous celestia-tendermintThis is a hard fork of tendermint to make it compatible with Celestia network. Tendermint is a high-performance blockchain…321,066Apache-2.0CryptographyCryptography::Cryptocurrencies celestia-tendermint-protoThis is a hard fork of tendermint to make it compatible with Celestia network. tendermint-proto is a the Rust implementation…321,561Apache-2.0CryptographyCryptography::Cryptocurrencies celestia-typesCore types, traits and constants for working with the Celestia ecosystem552,998Apache-2.0Cryptography::CryptocurrenciesEncoding celestia_generatorsTest purposes for Celestia network incentivized testnet5,209MIT celestialPlaceholder for in-progress project.1,762Apache-2.0 WITH LLVM-exception celestial-catalogAstronomical Catalog operations22MIT OR Apache-2.0Science celestial-coordsAstronomical coordinate transformations508MIT OR Apache-2.0Science celestial-coreCore types and utilities for the Celestial astronomy library665MIT OR Apache-2.0Science celestial-eop-dataBundled IERS Earth Orientation Parameter data for astronomy3,500MIT OR Apache-2.0Science celestial-ephemerisAstronomical ephemeris calculations125MIT OR Apache-2.0Science celestial-hub-astrolabeA simple MIPS compiler18,004non-standard celestial-hub-compassA simple ETAC compiler14,916MIT celestial-imagesPure Rust astronomical image format library (FITS and XISF support)47MIT OR Apache-2.0Parser implementationsScience celestial-pointingTelescope pointing model fitting and correction40MIT OR Apache-2.0Science celestial-timePure Rust astronomical time scales593MIT OR Apache-2.0Date and timeScience celestial-wcsPure Rust implementation of World Coordinate System (WCS) transformations132MIT OR Apache-2.0AlgorithmsScience celfA lightweight, fast, and easy-to-use language for writing and executing logic.431non-standard celikBiblioteka za čitanje ličnih karti uz pomoć MUP-ove Čelik biblioteke92MITAPI bindings celik-sysFFI veza sa MUP-ovom Čelik bibliotekom158MITExternal FFI bindings celkitA serializer/deserializer for the 'cel' format and a binary variant.443MITEncoding cellA replacement of std::cell::RefCell adding advanced support for mapping borrows.38,661MIT/Apache-2.0 cell-automata-1dLook Stephen Wolfram's cellular automata: https://www.wolframscience.com/nks/p170--cellular-automata/4,473GPL-3.0-or-later cell-buildBuild utilities for the Cell distributed computing framework95MIT cell-cliCargo-installable CLI for Cell ‑ 48 Gbps zero-copy RPC services41MIT OR Apache-2.0Command line utilitiesDevelopment tools cell-codecCodec utilities for the Cell distributed computing framework21MIT cell-coreCore primitives for the Cell distributed computing framework224MITAsynchronousNetwork programming cell-core-macrosCore macro types for the Cell framework163MIT