All 305,250 crates, alphabetically

credA command-line tool to manage secrets and environment variables locally and remotely.538MIT OR Apache-2.0Command line utilitiesDevelopment tools credenceAn unfussy web server designed for straightforward authoring and scalable performance1,578MIT OR Apache-2.0Web programmingWeb programming::HTTP server credence-libAn unfussy web server designed for straightforward authoring and scalable performance1,906MIT OR Apache-2.0Web programmingWeb programming::HTTP server credentManages `~/.config/<app>/credentials`.8,363MIT OR Apache-2.0 credent_cliReads in credentials from the CLI.9,263MIT OR Apache-2.0 credent_cli_modelReads in credentials from the CLI.8,432MIT OR Apache-2.0 credent_fsReads / Writes credentials from / to disk.9,104MIT OR Apache-2.0 credent_fs_modelReads / Writes credentials from / to disk.8,333MIT OR Apache-2.0 credent_modelData types to represent application credentials.9,905MIT OR Apache-2.0 credential-cryptoRust credential crypto library73MIT credential-exchangePlaceholder for high level credential exchange functionality1,418MIT credential-exchange-formatCredential Exchange Format (CXF) rust types1,026,823MIT credential-exchange-protocolCredential Exchange Protocol (CXP) rust types1,041,811MIT credentialhelperCredential Helper library for Rust1,956Apache-2.0 credentialhelpercacheCredential Helper library for Rust1,561Apache-2.0 credentialsFetch secrets from either environment variables or Hashicorp's Vault38,750CC0-1.0 credentials_to_envFetch secrets from Hashicorp's Vault and write to environment or files, then exec another program14,022MIT/Apache-2.0 credibil-coreCredibil core utilities270MIT OR Apache-2.0 credibil-didDecentralized Identifier (DID) utilities for Rust. See features for implemented DID methods and key management or use core…3,453MIT OR Apache-2.0 credibil-dwnDecentralized Web Node (DWN)2,154MIT OR Apache-2.0Database interfacesEmbedded development credibil-holderVerifiable Credential and other data holder agent SDK874MIT OR Apache-2.0AuthenticationCryptography credibil-infosecCredibil information security utilities3,911MIT OR Apache-2.0Cryptography credibil-vcOpenID for Verifiable Credential Issuance and Verifiable Presentation1,229MIT OR Apache-2.0AuthenticationCryptography credibilityA thin wrapper around assert to support table-driven tests69,983MIT credifyA Rust library for validating LinkedIn profile URLs with LLM-friendly error messages1,826MIT OR Apache-2.0Parsing toolsWeb programming creditA fast tool for measuring Github repository contributions.12,092MITCommand line utilities credit-card-typeDetect a credit card brand (Visa, Mastercard, Amex, ...) from a full or partial number, for type-as-you-go payment UIs. A…19MIT OR Apache-2.0No standard libraryWeb programming credit-data-simulatorCredit data pipeline simulator — Core Banking, Mapping, Rulepack, Regulator (OJK)19MIT OR Apache-2.0Development tools::TestingSimulation credit-facility-rsA rust library for modeling credit facilities with time-aware calculations418MIT credit_cardA fundamental credit card library9,028MIT credit_card_typesDetect credit card types by number9,480MITFinance credit_portfolio_modelSimulation of factor model to calculate loss distribution of a credit portfolio1,327MITFinanceMathematics creditcardZero-dependency credit card parser and validator.2,418MIT OR Apache-2.0No standard libraryNo standard library::No dynamic allocation creditcard-identifierCredit Card BIN validation using bin-cc data. Identify card brands, validate CVV codes, and check Luhn algorithm.68MITAlgorithmsFinance creditlintCLI for enforcing Git credit and authorship metadata policy35MITCommand line utilitiesDevelopment tools creditsAn SDK for interfacing with the credits program5,177Apache-2.0CryptographyWeb programming credix_clientCrate to help perform CPI calls to the Credix program25,794GPL-3.0-or-later credkellar-boopA Rust implementation for Infinite-Zer0.17MIT OR Apache-2.0 credmanA little command line tool based on RustCrypto: RSA library2,196MIT credoA framework for trust-free distributed cryptographic claims and secret management18,272CC-BY-NC-ND-4.0 credsGet credentials at the CLI.1,761Apache-2.0 credstashCredstash is a utility for managing credentials in the AWS cloud16,354MIT credxAnonymous Credentials 2.0 implemention2,364Apache-2.0Cryptography creedExtensible Database Abstraction Layer for SQL databases1,563MIT creekRealtime-safe disk streaming to/from audio files96,975MIT OR Apache-2.0Multimedia::Audio creek-corecore components for creek91,469MIT OR Apache-2.0Multimedia::Audio creek-decode-symphoniaAudio file decoding for creek91,402MIT OR Apache-2.0Multimedia::Audio creek-decode-wavWAV file decoding for creek1,766MIT OR Apache-2.0Multimedia::Audio creek-encode-wavWAV file encoding for creek87,003MIT OR Apache-2.0Multimedia::Audio creepcontext60,248MIT CreepDirA CLI tool to scan folders and catalog files by extension100MITCommand line utilitiesFilesystem creeperMinecraft Package Manager842MIT creeper-maven-coordA Rust library for processing Maven Coordinates.46MIT creeper-semver-pubgrubCompatibility between VersionReq from semver and VersionSet from pubgrub627MPL-2.0Algorithms creeperUIAn dearimgui inspired Immediate mode GUI library for Macroquad. ( imgui )3,505MIT creepycopy file into clipboard5,141MIT creepypastaforce the resolution of a future, or panic1,746MIT OR Apache-2.0 crefPlaceholder.26Apache-2.0 creftExecutable skills for Agents429MITCommand line utilitiesDevelopment tools crekitWIP1,565MIT crelangWIP1,639MIT OR Apache-2.0 crelang-coreWIP2,975MIT OR Apache-2.0 crelang-synWIP2,370MIT OR Apache-2.0 cremaA high-performance, sharded Key-Value store utilizing a Multi-Raft consensus architecture61MIT OR Apache-2.0CachingNetwork programming crema-cliBlockchain, Crema for Solana1,571Apache-2.0 cremeThis crate is reserved for an upcoming library.2,630MIT creoCreo Parametric Toolkit API for Rust1,608MIT creo-sysCreo Parametric Toolkit FFI Bindings1,925MIT creo-uicreo-ui - Design System tokens for Rust consumers (ratatui / egui / iced / dioxus interop)49Apache-2.0 creoborosA docker process manager1,745MIT creole-nomWikiCreole markup language parser library by nom18,771MITParser implementations crepeDatalog in Rust as a procedural macro739,119MIT OR Apache-2.0 crepe-bordeauxThe cross-platform clipboard cli tool3,069MIT OR Apache-2.0Command line utilities crepedbAn versioned and forkable embedded Key-Value database.3,575Apache-2.0 crepedb-coreAn versioned and forkable embedded Key-Value database.630Apache-2.0 crepedb-mdbxAn versioned and forkable embedded Key-Value database.267Apache-2.0 crepedb-redbAn versioned and forkable embedded Key-Value database.3,581Apache-2.0 crepedb-rocksdbAn versioned and forkable embedded Key-Value database.265Apache-2.0 crepesA compiler for reactive views in HTML with JavaScript2,901non-standardWeb programming crepubWIP1,552MIT crepuscularityCrepuscularity UI framework: .crepus templates for GPUI and web (UNSTABLE; in active development).233MPL-2.0 crepuscularity-abiPlain C ABI for Crepuscularity View IR sessions.165MPL-2.0 crepuscularity-clicrepus CLI — scaffolding and builds for Crepuscularity (UNSTABLE; in active development).979MPL-2.0 crepuscularity-coreParser, AST, and expression evaluation for the Crepuscularity .crepus DSL (UNSTABLE; in active development).3,658MPL-2.0 crepuscularity-devcrepus-dev hot-reload development server (UNSTABLE; in active development).170MPL-2.0 crepuscularity-embeddedUNSTABLE: embedded RGB565 framebuffer rendering for .crepus — still in development, largely untested on real hardware.445MPL-2.0 crepuscularity-embedded-macrosCompile-time .crepus validation for crepuscularity-embedded (UNSTABLE; embedded stack largely untested on hardware).91MPL-2.0 crepuscularity-gpuiGPUI backend for Crepuscularity (view! macro re-exports) — UNSTABLE; in active development.523MPL-2.0 crepuscularity-liteGPUI desktop shell with an embedded V8 runtime and a Rust native-capability bridge.208MPL-2.0 crepuscularity-lite-macrosProc-macro declarative UI DSL for crepuscularity-lite (GPUI shell).198MPL-2.0 crepuscularity-lspLanguage server for Crepuscularity .crepus templates (Diagnostics from crepuscularity-core).123MPL-2.0 crepuscularity-lvglLVGL Pro XML generator for the Crepuscularity .crepus DSL.869MPL-2.0 crepuscularity-nativeView intermediate representation (JSON) for native SwiftUI / Compose shells (UNSTABLE).1,313MPL-2.0 crepuscularity-plugin-bindgenGenerate Crepuscularity ABI bindings for plugin languages (equilibrium-ffi)107MPL-2.0 crepuscularity-reactiveReactive signals for Crepuscularity WASM clients (UNSTABLE; in active development).194MPL-2.0 crepuscularity-runtimeRuntime parser, GPUI renderer, and hot-reload engine for Crepuscularity (UNSTABLE; in active development).1,207MPL-2.0 crepuscularity-ssrAxum/Tokio SSR helpers for Crepuscularity — server-side renders .crepus templates.223MPL-2.0 crepuscularity-tauriTauri v1/v2 static-bundle adapter for Crepuscularity.198MPL-2.0 crepuscularity-tauri-macrosCommand macros for crepuscularity-tauri.164MPL-2.0 crepuscularity-tuiRatatui backend for the Crepuscularity .crepus DSL — write full-screen terminal UIs with nested div layouts.1,392MPL-2.0 crepuscularity-webWeb / SSR / DOM integration for Crepuscularity (UNSTABLE; in active development).1,594MPL-2.0 crepuscularity-webextBrowser extension (MV3) support for Crepuscularity — UNSTABLE; in active development.673MPL-2.0 crepuscularity_macrosCompile-time view! macro for Crepuscularity templates (UNSTABLE; in active development).2,577MPL-2.0 cresCell resampling for collider events21,922GPL-3.0-or-laterScience crescaA tool to partially review the pull requests.1,516MIT crescentRefernce wayland compositor for runa1,522MPL-2.0 crescent-cli🌙 process manager for game servers and services.11,014Apache-2.0Command line utilities crescriptWIP1,543MIT cressidaSimple Math Library for Computer Graphics for Use Across Different Projects. Intended for Personal Use.1,559non-standard crestA REST client library.29,944Apache-2.0/MIT creteErgonomic, thread-safe & flexible state management.1,461MITRust patterns cretonneUmbrella for commonly-used cretonne crates37,886Apache-2.0 cretonne-codegenLow-level code generator library20,262Apache-2.0 cretonne-entityData structures using entity references as mapping keys22,017Apache-2.0 cretonne-faerieEmit Cretonne output to native object files with Faerie15,778Apache-2.0 cretonne-frontendCretonne IR builder helper36,970Apache-2.0 cretonne-moduleSupport for linking functions and data with Cretonne18,919Apache-2.0 cretonne-nativeSupport for targeting the host with Cretonne36,163Apache-2.0 cretonne-readerCretonne textual IR reader34,437Apache-2.0 cretonne-simplejitA simple JIT library backed by Cretonne18,929Apache-2.0 cretonne-wasmTranslator from WebAssembly to Cretonne IR36,681Apache-2.0 cretritFlexible Order-Revealing Encryption library10,554MITAlgorithmsCryptography creusot-contractsProvides contracts and logic helpers for Creusot12,713LGPL-2.1-or-later creusot-contracts-dummyDummy proc macros for creusot-contracts7,313LGPL-2.1-or-later creusot-contracts-procProc macro crate for creusot-contracts12,760LGPL-2.1-or-later creusot-stdStandard library of Creusot: provides specification macros, contracts for Rust standard library and logic helpers20,184LGPL-2.1-or-laterDevelopment tools creusot-std-procProc macro crate for creusot-std20,293LGPL-2.1-or-laterDevelopment tools crevUse `cargo install cargo-crev` instead981CC0-1.0 crev-commonScalable, social, Code REView system that we desperately need - common code81,569MPL-2.0 OR MIT OR Apache-2.0 crev-dataScalable, social, Code REView system that we desperately need - data types library90,683MPL-2.0 OR MIT OR Apache-2.0 crev-ed25519-dalekFork of ed25519-dalek for `crev` (until mainline is usable for us again).5,061BSD-3-ClauseCryptographyNo standard library crev-libLibrary interface for programmatic access to crate reviews of cargo-crev93,769MPL-2.0 OR MIT OR Apache-2.0Database interfacesDevelopment tools crev-recursive-digestLibrary implementing recursive digest for filesystem directories153,283MPL-2.0 OR MIT OR Apache-2.0 crev-wotScalable, social, Code REView system that we desperately need - Web of Trust library55,148MPL-2.0 OR MIT OR Apache-2.0 crevetteConverter for using cargo-crev reviews with cargo-vet8,696MPL-2.0 OR MIT OR Apache-2.0Development tools creviceCreate GLSL-compatible versions of structs with explicitly-initialized padding241,138MIT OR Apache-2.0 crevice-deriveDerive crate for the 'crevice' crate203,449MIT OR Apache-2.0 crevice_notanCreate GLSL-compatible versions of structs with explicitly-initialized padding36,846MIT OR Apache-2.0 crevice_notan-deriveDerive crate for the 'crevice' crate35,800MIT OR Apache-2.0 crevsumRecursive digest as calculated by `crev`3,485MPL-2.0 OR MIT OR Apache-2.0 crewCLI Builder tool1,534MIT crew-rsA protocol for distributed access control2,676CC-BY-NC-ND-4.0 crewchiefCommercial grade self-healing AI monitoring. The mechanic that keeps the Airframe flying.24MIT crewrideA high-performance AI proxy service, supporting multiple AI providers (OpenAI, Anthropic, Gemini) with unified API access and…62MIT crfA tool to generate react component boilerplate4,935MITCommand line utilities crfmnesCR-FM-NES (Cost-Reduction Fast Moving Natural Evolution Strategy Optimiser) implemented via nalgebra1,530MIT crfrsGeneric structured-perceptron sequence labeler with Viterbi decoding52MITScienceText processing crfsPure Rust port of CRFsuite: a fast implementation of Conditional Random Fields (CRFs)30,520MIT crfsuiteSafe wrapper of crfsuite30,325MIT crfsuite-compliant-rsPure Rust implementation of CRFsuite (Conditional Random Fields) for labeling sequential data192BSD-3-ClauseAlgorithmsScience crfsuite-sysRust binding to crfsuite27,044MITExternal FFI bindings crftagCRF-based POS tagger and shallow parser (chunker) built on crfrs42MITScienceText processing crg-cliDeterministic local compression and ranking for ripgrep results17Apache-2.0Command line utilitiesDevelopment tools crg-compressDeterministic scoring, deduplication, and selection for CRG24Apache-2.0Command line utilitiesDevelopment tools crg-contextValidated source context extraction for selected CRG evidence21Apache-2.0Command line utilitiesDevelopment tools crg-modelShared domain models and validated configuration for CRG31Apache-2.0Command line utilitiesDevelopment tools crg-renderBudgeted text and JSON rendering for CRG21Apache-2.0Command line utilitiesDevelopment tools crg-rgBounded ripgrep process and JSON event adapter for CRG27Apache-2.0Command line utilitiesDevelopment tools crg-storePrivate reversible result storage and retrieval for CRG21Apache-2.0Command line utilitiesDevelopment tools crgcRust single thread GC based on reference counting + cycle removal. Inspired by QuickJS.1,573MIT crgxRun any crate binary instantly — fetch, cache, and execute without cargo install41MITCommand line utilitiesDevelopment tools criKubernetes Container Runtime Interface1,948Apache-2.0 cri-apiBindings Kubernetes CRI20,233Apache-2.0API bindings cri-kitcri kit for rust CRI container runtime interface devs5,211MPL-2.0 cri-refEmbedded-friendly equivalents of URIs2,843MIT OR Apache-2.0 cri-rsA rust impl of k8s cri.1,719MIT OR Apache-2.0 criaCria is a Rust library that is mainly used by AlpacaIR as a representation between Machine Code & AlpacaIR1,021Apache-2.0 cribLibrary for reading genome track files.5,087MIT OR Apache-2.0 cribbageA (work-in-progress) implementation of the game Cribbage.8,209MIT cribbage-coreA (work-in-progress) library providing the core functionality of the game Cribbage.7,283MIT criblerStatistical randomness-test toolkit (chi-squared, serial, runs, KS, birthday spacing, NIST SP 800-22, paranoid meta-test).…65MITAlgorithmsDevelopment tools::Testing cribler_coreCore statistical randomness-test engines (closure-based, RNG-library-agnostic). Extend via cribler.45MITAlgorithmsDevelopment tools::Testing cribtoolsCLI for reading genome track files.1,956MIT OR Apache-2.0 cricketwip1,480MIT cridecoderCRI codec library for ACB/AWB, HCA audio, and USM video extraction783MITMultimedia::AudioMultimedia::Video crierA simple but flexible observer library1,098MIT crier_deriveDerive traits for the crier crate597MIT criewTerminal-first Linux kernel patch mail workflow TUI58non-standardCommand line utilitiesDevelopment tools crilogCRI logs parser1,668Apache-2.0 crimeConcurrent real-time interface for multimedia engines6,423LGPL-2.1-or-later crimpHigher-level Rust API for cURL bindings6,831GPL-3.0-or-laterAPI bindings crimsonRuby and Rails specialist25BSD-3-Clause crimson-crabProduction-grade Rust SDK for Anthropic's Claude API (Messages, streaming, tools, thinking, prompt caching, batches).34MIT OR Apache-2.0API bindingsAsynchronous crimthy-dragnit-schemesCrimthy schemes package (just magister project, don't use it)1,794MIT crinCrate Information Utility CLI3,347MIT/Apache-2.0Command-line interfaceCommand line utilities crinera platform for resumable mining of crates.io for knowledge and information13,074MIT criner-cliA command-line interface for the 'Criner' crates mining platform10,874MIT criner-waste-reportDetermine include directives for Cargo.toml files to slim down a crate16,997MIT cringecringe baby nay nay3,292MIT cringecastSimple CLI podcatcher9,030MIT cringifyAnnoy your friends with the cringified text4,340MIT crioAn easy to use persistent data storage library40,551MITData structures crio_t1A first try at using crates.io. This package is useless to you, sorry2,009D-FSL-1.0 cripto_endevs_comunityUn micro-módulo de cifrado excéntrico y seguro basado en AES-GCM con sistema de Ratcheting.97MIT OR Apache-2.0Cryptography crispA small, expressive Lisp-inspired programming language.2,166MITCompilersParser implementations crisp-cliCrisp CLI — website audit tool. Security, performance, SEO & accessibility audits from your terminal.23MITCommand line utilitiesWeb programming crisp-macroA proc macro for the lisp-like programming language Crisp which (one day!) integrates seamlessly with C/C++ and Rust libraries.1,234MITCompilersParser implementations crisp-runtimeA runtime for the lisp-like programming language Crisp which (one day!) integrates seamlessly with C/C++ and Rust libraries.1,408MITCompilersParser implementations crisp-status-localCrisp Status local probe relay.19,760MPL-2.0Web programming crisp-status-reporterCrisp Status Reporter for Rust.14,964MITWeb programming