All 305,250 crates, alphabetically

cxpakSpends CPU cycles so you don't spend tokens. The LLM gets a briefing packet instead of a flashlight in a dark room.608MITCommand line utilitiesDevelopment tools cxrA tool to generate a directory structure from a YAML template.35MITCommand line utilitiesDevelopment tools cxtAggregates file/directory contents and sends them to the clipboard, a file, or stdout2,625MITCommand line utilities cxterminfoTerminfo parser1,798WTFPLCommand-line interfaceData structures cxwhta test lib1,654MIT cxxSafe interop between Rust and C++71,166,913MIT OR Apache-2.0API bindingsDevelopment tools::FFI cxx-asyncSimple interoperability between C++ coroutines and asynchronous Rust109,256MIT OR Apache-2.0 cxx-async-macroThe macro for simple interoperability between C++ coroutines and asynchronous Rust109,898MIT OR Apache-2.0 cxx-autoAutomatically generate cxx bindings8,108Apache-2.0 WITH LLVM-exception cxx-buildC++ code generator for integrating `cxx` crate into a Cargo build.66,198,494MIT OR Apache-2.0Development tools::Build UtilsDevelopment tools::FFI cxx-chronoBinding to C++'s std::chrono1,281MIT OR Apache-2.0 cxx-clangcxx-style FFI bindings to the Clang C++ API3,344Apache-2.0 WITH LLVM-exception cxx-clang-autocxx-auto generated cxx bindings for cxx-clang3,771Apache-2.0 WITH LLVM-exception cxx-clang-buildCommon build code for cxx-clang5,138Apache-2.0 WITH LLVM-exception cxx-codegenC++ code generator for the `cxx` crate1,384MIT OR Apache-2.0 cxx-demoToy project from https://github.com/dtolnay/cxx9,862MIT OR Apache-2.0 cxx-dlangReusable D-side cxx.rs `rust::*` type bindings + LDC2 build glue113MIT OR Apache-2.0API bindingsDevelopment tools::FFI cxx-enumextGenerate cxx compatable `Trivial` bindings for rust enum types1,699MIT OR Apache-2.0Development tools::FFI cxx-enumext-macroImplementation detail of the `cxx-enumext` crate.1,925MIT OR Apache-2.0Development tools::FFI cxx-follyBinding to C++ folly library, e.g. StringPiece1,287MIT OR Apache-2.0 cxx-genC++ code generator for integrating `cxx` crate into higher level tools.2,178,662MIT OR Apache-2.0Development tools::FFI cxx-juceRust bindings for JUCE using cxx.13,533MIT OR Apache-2.0 cxx-llvmcxx-style FFI bindings to the LLVM C++ API6,319Apache-2.0 WITH LLVM-exception cxx-llvm-autocxx-auto generated cxx bindings for cxx-llvm6,396Apache-2.0 WITH LLVM-exception cxx-llvm-buildCommon build code for cxx-llvm7,627Apache-2.0 WITH LLVM-exception cxx-llvm-build-commonCommon build code for cxx-llvm and dependent crates8,133Apache-2.0 WITH LLVM-exception cxx-qtSafe interop between Rust and Qt76,148MIT OR Apache-2.0API bindingsGUI cxx-qt-buildHelpers for integrating `cxx-qt` crate into a Cargo build75,897MIT OR Apache-2.0 cxx-qt-genCode generation for integrating `cxx-qt` into higher level tools79,083MIT OR Apache-2.0 cxx-qt-libQt types for integrating `cxx-qt` crate with `cxx`74,242MIT OR Apache-2.0 cxx-qt-lib-extrasExtra Qt types for integrating `cxx-qt` crate with `cxx` that are not available in `cxx-qt-lib`6,700MIT OR Apache-2.0 cxx-qt-lib-headersA small crate for cxx-qt-lib and cxx-qt-build to share cxx-qt-lib's C++ headers23,972MIT OR Apache-2.0 cxx-qt-macroA set of macros for Qt/C++ interop in Rust59,137MIT OR Apache-2.0 cxx-stlHigh level C++ STL Rust bindings10,559MIT OR Apache-2.0 cxx-swiftcxx-style FFI bindings to the Swift C++ API2,839Apache-2.0 WITH LLVM-exception cxx-swift-autocxx-auto generated cxx bindings for cxx-swift3,328Apache-2.0 WITH LLVM-exception cxx-swift-buildCommon build code for cxx-swift3,756Apache-2.0 WITH LLVM-exception cxx-symbolsImplementation detail of the `cxx` crate2,942MIT OR Apache-2.0 cxx-test-suiteTest suite of the cxx crate64,338MIT OR Apache-2.0 cxx2flowConvert your C/C++ code to control flow chart33,634MIT cxx_linkerA procedural macro for linking Rust functions with C++ using Itanium name mangling.1,244MIT cxx_mangleItanium C++ ABI based name mangling581BSD-3-Clause cxxbridgeSafe rust <-> c++ FFI bridge1,372MIT OR Apache-2.0 cxxbridge-cmdC++ code generator for integrating `cxx` crate into a non-Cargo build.23,679,037MIT OR Apache-2.0Development tools::Build UtilsDevelopment tools::FFI cxxbridge-flagsCompiler configuration of the `cxx` crate (implementation detail)70,307,404MIT OR Apache-2.0CompilersDevelopment tools::FFI cxxbridge-macroImplementation detail of the `cxx` crate.71,232,476MIT OR Apache-2.0Development tools::FFI cyCss color parser at compile time1,830MPL-2.0 cy-celcatSafe wrapper around CY Cergy Paris Univertity’s Celcat API9,172MITAPI bindings cyaA HTTP load testing utility6,266MIT cyagenText file generator based on C file and templates14,751MITCommand line utilities cyan-backend-integrationsBackend integrations with Slack, Confluence, github, JIRA and much more51non-standard cyanea-alignSequence alignment algorithms for the Cyanea bioinformatics ecosystem25MIT OR Apache-2.0AlgorithmsScience cyanea-chemChemistry and small molecules for the Cyanea bioinformatics ecosystem34Apache-2.0Science cyanea-coreShared primitives, traits, and utilities for the Cyanea bioinformatics ecosystem835MIT OR Apache-2.0Science cyanea-gpuGPU compute abstraction (CUDA/Metal) for the Cyanea bioinformatics ecosystem24Apache-2.0Science cyanea-ioFile format parsing for the Cyanea bioinformatics ecosystem25Apache-2.0Parser implementationsScience cyanea-mlML primitives for bio (embeddings, etc.) for the Cyanea bioinformatics ecosystem170Apache-2.0AlgorithmsScience cyanea-omicsOmics data structures for the Cyanea bioinformatics ecosystem99Apache-2.0Science cyanea-phyloPhylogenetics and trees for the Cyanea bioinformatics ecosystem27Apache-2.0Science cyanea-seqSequence I/O and manipulation for the Cyanea bioinformatics ecosystem24MIT OR Apache-2.0Science cyanea-statsStatistical methods for the Cyanea bioinformatics ecosystem166MIT OR Apache-2.0MathematicsScience cyanea-structProtein and nucleic acid 3D structures for the Cyanea bioinformatics ecosystem25Apache-2.0Science cyatSimplified version of lyon3,805BSD-3-Clause cyaxon-authifierCustom authorization library for Cyaxon Group projects1,576Apache-2.0 cyaxon-rocket-authifierRocket.rs implementation of authifier1,223Apache-2.0 cyaxon-rocket-emptyProvides a 204 (No Content) responder for Rocket. Includes optional schema definition.2,556MIT cyaxon_okapiStructs for OpenAPI (AKA Swagger) documents3,137MITWeb programming cyaxon_rocket_okapiOpenAPI (AKA Swagger) document generation for Rocket applications3,156MITWeb programming cyaxon_rocket_okapi_codegenMacros supporting rocket_okapi3,150MITWeb programming cyberLibrary for cyber blockchain14,087GPL-3.0Cryptography cyber-hemeraHemera — Poseidon2 hash over Goldilocks field88non-standardCryptographyNo standard library cyber-monitorReal-time semantic telemetry and AI-driven anomaly detection for industrial networks. Global QUDT/SI standards compliance with…121MIT cyber-rainA smoother, themeable Rust take on cmatrix.70MIT OR Apache-2.0Command line utilitiesVisualization cyber-stdBindings for CustomMsg and CustomQuery for the Cyber8,238Unlicense cyber-std-testMultitest (and other test helpers) support for Cyber Progs5,757Unlicense cyber-wallet-generatorCLI address generator for cyber blockchain4,395GPL-3.0 cybercafeEditor for cafe game framework1,560MIT cyberchan-sdkOfficial Rust SDK for CyberChan — AI Agent Arena18MITAPI bindingsWeb programming::WebSocket cyberdeckA library for easily creating WebRTC data channel connections24,209MIT OR Apache-2.0 cyberdeck-client-web-sysCreate RtcPeerConnections and RtcDataChannels without leaving WASM (intended for use with cyberdeck's signalling server)1,580MIT OR Apache-2.0WebAssembly cyberdemRust implementation of the Cyber DEM (SISO-REF-072-2024).965MIT cyberdrop-clientRust API client for Cyberdrop, with async support and typed models231MITAPI bindingsAsynchronous cyberdrop-dlCyberdrop.me album downloader written in Rust13,509MITCommand line utilities cyberexUtilities Library59,327MIT cyberex_macroProcedural Macros for Cyberex1,943MIT cyberex_xasyncCyberex Async547MIT cybergarageRust cargo package of cybergarage.org12,376Apache-2.0Network programming cybergraph-coreNextGen graphdb1,604Apache-2.0 cyberpunk77Some fun things I've found somewhat helpful2,410MIT cyberpunk_mod_managerA mod manager for Cyberpunk 20772,899GPL-3.0Command-line interfaceCommand line utilities cyberrt-rsRust API for [Apollo](https://github.com/ApolloAuto/apollo) project.1,618MIT OR Apache-2.0 cybersoulA decentralized profile CLI tool for managing Soul Bound Token profiles based on ERC-7866320Apache-2.0Command line utilitiesCryptography cybertempRust SDK for CyberTemp — disposable email inboxes for testing, automation, OTP flows, and AI agents.17MITAPI bindingsEmail cyberterm-imgImage processing tool2,753MIT cybertokenA Rust implementation of the cybertoken, a token format inspired by the GitHub API token format.4,076MIT OR Apache-2.0 OR EUPL-1.2 cyberware-modkit-canonical-errors-macroModKit canonical errors proc-macro33Apache-2.0Development tools::Procedural macro helpers cyberware-modkit-securityModKit security library109Apache-2.0Authentication cyberware-modkit-transport-grpcModKit gRPC transport library81Apache-2.0Network programming cyberware-system-sdk-directoryDirectory service SDK module59Apache-2.0Web programming cyberware-system-sdksCollection of system modules SDKs31Apache-2.0Development tools cybhereA cyber-sphere environment for every agentic AI.24BSD-3-Clause cyborgA monitoring system3,182MIT cyborgtimeA parser and formatter for std::time::{Duration, SystemTime}40,127MIT/Apache-2.0Date and time cybwayAI subway system for agents doing skills.23BSD-3-Clause cycladesInterface-centric replacement for `ip addr`: cards, TUI, safe apply/rollback — pure netlink, no subprocess18GPL-3.0-or-laterCommand line utilitiesNetwork programming cyclangCyclang is a toy language built in LLVM.11,684Apache-2.0/MITCompilers cyclang-backendCyclang is a toy language built in LLVM.2,417Apache-2.0/MITCompilers cyclang-macrosSupporting procedural macros for cyclang5,523Apache-2.0/MITCompilers cyclang-parserCyclang is a toy language built in LLVM.2,699Apache-2.0/MITCompilers cycle-certsA bot for fetching and keeping TLS certificates generated via Cycle's DNS service up to date.1,602MIT cycle-menusimple no-std compatible library to create a menu that can be cycled through and shown with custom input/output8,046MIT OR Apache-2.0Embedded developmentGUI cycle-queuecycle cycle-queue queue1,861GPL-3.0 cycle-sortSimple generic Cycle sort implementation8,339Apache-2.0 cycle-to-nthCycle an iterator until the nth iteration1,728non-standard cycle_cursorCyclic cursor implementation over generic iterators2,328non-standardAlgorithmsData structures cycle_mapImplementations of bi-directionally accessible hashmaps28,098LGPL-3.0Data structures cycle_ptrSmart pointers, with cycles33BSD-2-ClauseMemory management cyclerA simultainious write/read data structure7,973MIT OR Apache-2.0Data structures cyclesA cyclic pattern abstraction, heavily inspired by TidalCycles.9,109non-standard cycles_numerologie_du_tarotUn crate pour calculer les cycles de numérologie du tarot (nécessite le fichier photosoph non distribué pour des raisons de…92MIT cyclicSimple, complete, and dependency-free modular arithmetic3,067GPL-3.0 cyclic-poly-23A rolling, decomposable hash algorithm11,068MIT OR Apache-2.0Algorithms cyclic_data_typesCyclic data types are series of structs, enums, types and functions to create a series of fast data types.5,229MIT cyclic_graphThis package provides a way to use a structure that implements a cyclic directed graph with a single input and single output. It…2,977MIT cyclic_lista doubly-linked list with owned nodes, implemented as a cyclic list1,733MIT cyclic_pipeA library providing fixed-size, buffer pre-allocated cyclic pipe which support multi-producer and multi-consumer concurrent…1,073Apache-2.0 OR MITAsynchronousConcurrency cyclictest-rsBenchmark for thread latencies in real-time systems similar to cyclictest1,489GPL-3.0-or-later cyclistA generic Rust implementation of the Cyclist mode of permutation-based cryptography (e.g. Xoodyak).31,507MITCryptographyNo standard library cycloneA machine library designed for serverless environments1,838Apache-2.0 cyclone-cliEasy-to-use CLI for GitHub Releases2,686MIT cyclone-f1-sysFPGA driver C bindings2,658Apache-2.0 OR MITHardware support cyclone-fpgaFPGA driver2,146Apache-2.0 OR MITCryptographyHardware support cyclone-modA NexusMods API wrapper42GPL-3.0 cyclone-msmFPGA-accelerated multi-scalar multiplication1,537Apache-2.0 OR MITCryptography cyclone-vCyclone V FPGA programming library for Rust2,203MITEmbedded developmentHardware support cyclone2dA small 2D physics engine from 'Game Physics Engine Development'4,353MITGame development cyclone3dPlaceholder for 3d physics engine1,732MIT cycloneddsSafe Rust wrapper for Eclipse CycloneDDS2,088MITAPI bindingsNetwork programming cyclonedds-buildBuild script support for compiling IDL files to Rust with CycloneDDS320MITDevelopment tools::Build UtilsNetwork programming cyclonedds-cliCommand-line tools for CycloneDDS163MITCommand line utilitiesNetwork programming cyclonedds-deriveProc-macro derive for cyclonedds-rust DdsType trait2,142MITDevelopment tools::Procedural macro helpersNetwork programming cyclonedds-idlcCLI tool for compiling IDL files to Rust source code for CycloneDDS136MITCommand line utilitiesNetwork programming cyclonedds-rsSafe Rust bindings for cyclonedds26,315non-standard cyclonedds-rust-sysFFI bindings for Eclipse CycloneDDS2,079MITExternal FFI bindingsNetwork programming cyclonedds-srcEclipse CycloneDDS C library source for building from source2,066MITExternal FFI bindingsNetwork programming cyclonedds-sysRust bindings for cyclonedds autogenerated by bindgen16,986non-standard cyclonedds-wasmExperimental DDS bindings for WebAssembly using WebSocket transport14MIT cyclonedx-bomCycloneDX Software Bill of Materials Library1,798,148Apache-2.0EncodingParser implementations cyclonedx-bom-macrosProcedural macros used internally by the `cyclonedx-bom` crate1,690,640Apache-2.0 cyclonedx-rustA library for encoding/decoding CycloneDx BoM4,798non-standard cyclorsLow-level API for the native CycloneDDS bindings (libddsc-sys).202,389Apache-2.0API bindings cyclos-coreAnchor client and source for Cykura (formerly Cyclos) concentrated liquidity AMM8,004AGPL-3.0-only cyclotomichigh-performance library for exact operations in cyclotomic fields3,086LGPL-3.0-onlyMathematics cyclotraceA high-performance, wait-free ring buffer in Rust. Supports SPMC with peek-based semantics instead of destructive consumption.34MIT OR Apache-2.0ConcurrencyData structures cyclotronCycle-aware memoization with automatic fixpoints.4,745MIT/Apache-2.0 cydecHigh-performance compression library for numerical time series data using delta encoding, zigzag encoding, and LZ41,240MIT OR Apache-2.0AlgorithmsCompression cyderA graph-oriented application runtime1,632GPL-3.0-or-later cyder-toolsA collection of common tools for building back-end services1,578MIT cydia-substrate-rsPure Rust rewrite of Cydia Substrate + And64InlineHook — cross-architecture inline function hooking for Android31LGPL-3.0-or-laterAPI bindingsNo standard library cydoniaCydonia umbrella crate10,399MIT cydonia-cliCydonia command line interfaces32MIT cydonia-coreCydonia core abstractions333MIT cydonia-deepseekCydonia DeepSeek provider implementation242MIT cyfrin-foundry-compilersUtilities for working with solidity compilers, namely solc27,587MIT OR Apache-2.0 cyfrin-foundry-configFoundry configuration22,855MIT OR Apache-2.0 cyfs-async-h1Asynchronous HTTP 1.1 parser.8,672MIT OR Apache-2.0AsynchronousParser implementations cyfs-baseRust cyfs-base package38,579BSD-2-Clause cyfs-base-deriveRust cyfs-base-derive package13,793BSD-2-Clause cyfs-base-metaRust cyfs-base-meta package11,523BSD-2-Clause cyfs-bdtRust cyfs-bdt package34,111BSD-2-Clause cyfs-bdt-extRust cyfs-bdt-ext package placeholder1,828BSD-2-Clause cyfs-chunk-cacheRust cyfs-chunk-cache package placeholder1,827BSD-2-Clause cyfs-chunk-libRust cyfs-chunk-lib package12,004BSD-2-Clause cyfs-cipRust cyfs-cip package8,870BSD-2-Clause cyfs-coreRust cyfs-core package21,641BSD-2-Clause cyfs-debugRust cyfs-debug package18,829BSD-2-Clause cyfs-dsg-clientRust dsg-client package18,310BSD-2-Clause cyfs-eciesElliptic Curve Integrated Encryption Scheme for secp256k1 in Rust12,652MIT cyfs-libRust cyfs-lib package27,849BSD-2-Clause cyfs-loadercyfs loader package1,595BSD-2-Clause cyfs-meta-libRust cyfs-meta-lib package10,763BSD-2-Clause cyfs-meta-spvcyfs meta spv package1,614BSD-2-Clause cyfs-ndccyfs ndc package1,589BSD-2-Clause cyfs-noccyfs noc package1,571BSD-2-Clause cyfs-perf-baseRust cyfs-perf-base package8,393BSD-2-Clause cyfs-perf-clientRust cyfs-perf-client package7,664BSD-2-Clause cyfs-raptorqRaptorQ (RFC6330)9,986Apache-2.0 cyfs-sha2Pure Rust implementation of the SHA-2 hash function family including SHA-224, SHA-256, SHA-384, and SHA-512.13,857MIT OR Apache-2.0CryptographyNo standard library cyfs-stackcyfs stack package1,594BSD-2-Clause cyfs-stack-loadercyfs stack loader package1,604BSD-2-Clause cyfs-task-managerRust cyfs-task-manager package8,911BSD-2-Clause cyfs-tracker-cachecyfs tracker cache package1,594BSD-2-Clause cyfs-utilRust cyfs-util package23,976BSD-2-Clause cygnixy-plugin-interfaceA plugin interface for the Cygnixy framework, enabling dynamic Lua plugin integration and management.3,635MIT cygnusFaster's new name2,014MPL-2.0 cygrind-utilsA utility crate for handling, parsing, and drawing cybergrind patterns from ULTRAKILL4,025MIT cygvCompute GV and GW invariants of CY manifolds.4,290GPL-3.0-or-later cykA modified CYK algorithm to work for Language.1,444non-standardAlgorithms cylCyl is a high-level cryptographic signing CLI tool.3,118Apache-2.0 cylinderCylinder is a high-level cryptographic signing library.104,736Apache-2.0