All 305,250 crates, alphabetically

ctapA Rust implementation of the FIDO2 CTAP protocol1,962Apache-2.0/MIT ctap-fido2CTAP2 client for FIDO2 over USB HID with hmac-secret support.117MITAuthenticationCryptography ctap-hid-fido2Rust FIDO2 CTAP library173,409MIT ctap-typesno_std friendly types for FIDO CTAP35,882Apache-2.0 OR MIT ctap1CTAP11,621MIT ctap2CTAP21,618MIT ctap2-authenticatorEmbedded Rust CTAP2 Authenticator implementation1,783Apache-2.0 OR MITCryptographyEmbedded development ctap_hmacA Rust implementation of the FIDO2 CTAP protocol, including the HMAC extension18,604Apache-2.0/MIT ctaphidRust implementation of the CTAPHID protocol18,619Apache-2.0 OR MIT ctaphid-apptrait for CTAPHID applications12,364Apache-2.0 OR MIT ctaphid-dispatchDispatch layer after usbd-ctaphid22,087Apache-2.0 OR MIT ctaphid-typesData types for the CTAPHID protocol9,728Apache-2.0 OR MIT ctaskA simple task list7,891GPL-3.0-only ctbctb unifies borrowed and owned values into a smart pointer that is internally borrowed to retain ownership.3,068MIT OR Apache-2.0 ctcload config files on compile time.5,789MIT ctc-utilsload config files on compile time.1,684MIT ctcb-archiveTar and zstd archive creation/extraction for clang toolchain binary builder127MIT ctcb-checksumSHA256 and MD5 file hashing for clang toolchain binary builder233MIT ctcb-cliCLI and Python bindings for clang toolchain binary builder75MIT ctcb-corePlatform detection and shared types for clang toolchain binary builder6,053MIT ctcb-dedupFile deduplication via hardlinks for clang toolchain binary builder124MIT ctcb-downloadHTTP download with progress for clang toolchain binary builder128MIT ctcb-manifestTwo-tier manifest JSON management for clang toolchain binary builder1,642MIT ctcb-splitArchive splitting for Git LFS limits for clang toolchain binary builder123MIT ctcb-stripLLVM binary stripping and filtering for clang toolchain binary builder128MIT ctchiHome made web framework.30,245BSD-3-Clause ctchi_codegenMacroses for Ctchi framework4,868BSD-3-Clause ctclTool for analyzing the Ethereum consensus layer.1,569MIT OR Apache-2.0Command line utilitiesCryptography::Cryptocurrencies ctclibA collection of utilities related to CTC, with the goal of being fast and highly flexible.1,676MITMathematicsScience ctclib-kenlm-sysRust bingings to the KenLM3,774MIT ctclib-ppA collection of utilities related to CTC, with the goal of being fast and highly flexible, with perplexity scores for KenLMs…2,322MITAlgorithmsMathematics ctclientCertificate Transparency Log client suitable for monitoring, quick SCT validation, gossiping, etc.23,011MIT ctclient-asyncCertificate Transparency Log client suitable for monitoring, quick SCT validation, gossiping, etc.814MIT ctcorePrecision tools for the CTfile family of file formats.2,734MIT ctddumpConvert oceanographic CTD (Conductivity, Temperature, Depth) data from NetCDF to Parquet or YAML103MITCommand line utilitiesScience cte_basic_macrosA simple macro for generating cloud_task_executor task in Rust2,167MIT cte_irCompile-time evaluation IR974MITCompilers cteeUnix's tee with stripping of ANSI-colors2,864MITCommand line utilities cteepbdComputation of energy balance of buildings according to UNE-EN ISO 52000-1:2017 to comply with CTE DB-HE 201817,614MITCommand line utilitiesScience CTErrorsA lightweight, descriptive error enumeration for Rust projects, designed to handle common file system operations, data…30MIT ctes-modelsCiphertext Ecosystem models for Rust.49MIT ctestAutomated testing of FFI bindings in Rust.338,599MIT OR Apache-2.0 ctest2Automated tests of FFI bindings.871,940MIT OR Apache-2.0 ctfToolkit to help CTF teams synchronize during events.2,182MIT ctf-bruteBrute-force utilities for Rust.4,065MIT ctf-cryptoCryptography utilities for Rust.1,565MIT ctf-forensicsForensics utilities for Rust.1,568MIT ctf-osintOpen-source Intelligence utilities for Rust.1,562MIT ctf-packet-relayRelays CTF packets from a serial device or socket to one or more LTTng relayd sessions2,743non-standard ctf-pwnPwn utilities for Rust.13,636MIT ctf-revReverse Engineering utilities for Rust.1,562MIT ctf-rs-api-serverAPI-Server for CTF-rs, is designed to leverage Kubernetes CRDs for functionality557AGPL-3.0-or-laterAPI bindingsCommand line utilities ctf-rs-frontendLeptos based Client side rendered (CSR) Frontend for CTF-rs543AGPL-3.0-or-laterGUIWeb programming::HTTP client ctf-rs-operatorKubernetes Operator for CTF-rs, is designed to leverage Kubernetes CRDs for functionality540AGPL-3.0-or-laterAPI bindings ctf-stegoSteganography utilities for Rust.1,612MIT ctf-webWeb Application Penetration utilities for Rust.1,553MIT ctf_partyRust CTF Party is a tool that provides various cryptographic and network utilities for CTF (Capture The Flag) competitions. It is…1,901MITCryptographyDevelopment tools ctf_tcp_utilsTCP helpers for CTFs12,539MIT OR Apache-2.0Network programming ctfd-solve-announcer-discordA simple webhook based Discord bot to announce CTFd solves1,543non-standard ctflagCommand-line flag parsing library4,977Apache-2.0Command-line interface ctflag_deriveThe derive macro implementation for ctflag5,805Apache-2.0 ctfrOptimized CTFd written with Rust & HTMX1,524GPL-3.0 ctfsCausal consistency at nanosecond latency. Algebraic invariants without coordination.102MITAlgorithmsConcurrency ctftoolsMoved to pwnr crate9,215MIT OR Apache-2.0 ctgenCode Generator based on Handlebars Templates and Database Reflection8,700MITCommand line utilitiesDatabase interfaces ctgrindTool for checking that functions are constant time using Valgrind2,340MIT/Apache-2.0 cthashconst fn implementation of hash functions including MD4, MD5, SHA-1, SHA-2, SHA-3, Keccak350MIT OR Apache-2.0AlgorithmsCryptography ctimeCommand line utility to get run-time from a Windows, MacOS, or Unix system program.2,769GPL-3.0 ctjA command-line tool to convert CSV to JSON written in Rust3,488MITCommand line utilitiesText processing ctjscompile time javascript as a rust proc macro2,935MIT ctjs_macroscompile time javascript as a rust proc macro3,683MIT ctlA so called 'standart' library for my rust projects.1,879MIT ctl10nCompile-time localization library17,461MITDevelopment tools::Build UtilsInternationalization (i18n) ctlogA simple certificate transparency log client API wrapper1,637MIT OR Apache-2.0 ctltoolA command line utility for inspecting and interacting with Windows CTLs3,901Apache-2.0 ctmCommon Electric Power Transmission System Model1,427MIT ctm_demoDemonstration of the Consistent Tangent Modulus in Computational Plasticity1,468MITMathematicsScience ctnctn1,724non-standard ctnapiAn API for modeling games of CTN628GPL-3.0 ctnfctnf (conventional commits to newsfragments) is a Rust CLI tool that parses conventional commits since the last semantic release…58MIT ctntuiAn API for modeling games of CTN429GPL-3.0 ctomlA command-line tool to manipulate TOML files29,198MIT ctoonHigh-performance Toon format bindings for Rust19MIT ctoptionA compile-time option whose discriminant is elevated to compile time.748MIT OR Apache-2.0Data structuresMemory management ctorGlobal, no_std-compatible constructors for all platforms that run before main (like C/C++ __attribute__((constructor)))162,228,606Apache-2.0 OR MITDevelopment tools::Build UtilsDevelopment tools::Procedural macro helpers ctor-liteRun code at program startup or shutdown4,231,991MIT OR Apache-2.0 ctor-proc-macroproc-macro support for the ctor crate42,415,176Apache-2.0 OR MIT ctor-used-linker__attribute__((constructor)) for Rust1,561Apache-2.0 OR MIT ctor_bareRegister constructor functions for Rust at complie time under no_std.480,601GPL-3.0-or-later OR Apache-2.0 OR MulanPSL-2.0Development tools::Procedural macro helpersNo standard library ctor_bare_macrosMacros for registering constructor functions for Rust under no_std.480,882GPL-3.0-or-later OR Apache-2.0 OR MulanPSL-2.0Development tools::Procedural macro helpersNo standard library ctor_macroA derive proc-macro that automatically derives a constructor for your struct!34MIT OR Apache-2.0 ctowA simple rust binary utility to convert curl commands to wget commands.8,617GPL-3.0-or-laterCommand line utilities ctpCreate The Project6,050MIT ctp-commonCommon types and utilities for CTP (China Financial Futures Exchange) API738MIT ctp-dynsfit ctp & ctp-mini & ctp-sopt rust native binding with dynlib libloading support, compatible with Windows, Linux and macOS10,202Apache-2.0API bindingsFinance ctp-futuresA short description of your crate2,159MIT OR Apache-2.0 ctp-rsSafe & idiomatic Rust bindings for CTP; cross-platform (Windows/Linux/macOS)1,196MITAPI bindingsFinance ctp-rustSafe Rust bindings for CTP (Comprehensive Transaction Platform) and its variations for Chinese financial markets1,145MIT/Apache-2.0API bindingsExternal FFI bindings ctp-sysctp rust binding6,545Apache-2.0 ctp2rsShanghai Futures CTP/CTP-Mini/CTP-Sopt Rust native binding, supporting production, evaluation, stock-option, OpenCTP, and…10,383Apache-2.0API bindingsFinance ctpaliasA simple crate, that aims to provide type aliases for a handful of C types.1,685Apache-2.0No standard library ctpltA package manager + build system for C and C++1,308non-standard ctrCTR block modes of operation168,215,393MIT OR Apache-2.0CryptographyNo standard library ctr-drbgCTR DRBG1,745MIT OR Apache-2.0 ctr-rsfGenerate and edit .rsf files for CTR homebrew projects.85MIT ctr_cart3DS file header library and utilities.1,348MPL-2.0 OR LGPL-2.1-or-later OR GPL-2.0-or-laterCommand line utilitiesEncoding ctr_etc1Nintendo ETC1 compression binding for rust2,418MIT ctrader-fixA rust implementation of the cTrader FIX API.27,823MIT ctrader-rsRust SDK for the cTrader Open API149MIT ctranslate2Rust bindings for OpenNMT/CTranslate21,910MIT ctranslate2-serverA high-performance inference server for CTranslate2 models, compatible with OpenAI's API.75MITScienceText processing ctranslate2-src-build-supportBuild support for ctranslate2-src2,016MIT ctranslate2-sysCompiles CTranslate2 from source or uses pre-built binaries543MIT ctreBindings for CTR Electronics' Phoenix for FRC libraries2,069non-standardAPI bindingsEmbedded development ctre-sysFFI bindings to CTR Electronics' Phoenix FRC libraries3,364non-standardEmbedded developmentExternal FFI bindings ctreeA copy-on-write directory library for Rust with fast reflink cloning587MIT ctregCompile-time regular expressions the way they were always meant to be27,771MPL-2.0 ctreg-macroProc-macro implementation for ctreg25,735MPL-2.0 ctremPrint colored and styled text6,457MIT ctrf-rsA reporter for Common Test Report Format (CTRF) in Rust90,789MITData structuresDevelopment tools::Testing ctrieWIP; Ctrie implementation in rust.1,700MIT OR Apache-2.0 ctrlA powerful library for control, estimation, and optimization1,727non-standard ctrl-flowA platform agnostic easy-to-use library for implementing and visualizing control flow graphs.1,570non-standard ctrl-space-wslA fast application launcher for WSL2, inspired by dmenu/yeganesh44MIT OR Apache-2.0Command line utilities ctrl-zA composable reader to treat `0x1A` as an end-of-file marker.2,316MIT OR Apache-2.0Text processing ctrl_macrosControl flow macros for Option and Result14,634MIT OR Apache-2.0 ctrlassistController Assist for gaming on Linux146Apache-2.0Game engines ctrlcEasy Ctrl-C handler for Rust projects111,226,026MIT/Apache-2.0Operating systems ctrlc-asyncEasy asynchronous Ctrl-C handler for Rust projects121,525MIT/Apache-2.0Operating systems ctrlc-handlerHelper for using the ctrlc crate3,998non-standard ctrlc-tinyA tiny crate for checking if Ctrl-C was pressed — no handlers, no AtomicBool.2,771MIT OR Apache-2.0Command line utilitiesOperating systems ctrlc2Easy Ctrl-C handler version 2 for Rust projects199,717MIT/Apache-2.0Operating systems ctrlc_fnonceWrapper for ctrlc to execute a FnOnce and exit the process upon Ctrl-C.1,908Apache-2.0Concurrency ctrlgA command line context switcher, written in Rust47,061MIT ctrlgenGenerate enums for message-passing services10,231MIT ctrlgen-deriveGenerate enums for message-passing services11,285MIT ctrlgen-implGenerate enums for message-passing services11,693MIT ctrnnSupervised and unsupervised CTRNNs with parallelism2,907MIT ctronAbout ctron3,212MIT ctrsRust implementations and notes on category theory.5,084MIT ctryRetry CLI commands481MITCommand line utilities ctsGeneric implementation of the ciphertext stealing block modes of operation26,144MIT OR Apache-2.0CryptographyNo standard library cts-assessThis is a soil and agricultural product assessment tool.167MIT OR Apache-2.0 cts-commonCommon types and traits used across the CipherStash ecosystem6,711non-standardCryptographyDatabase interfaces cts-csvread or write csv files654MIT OR Apache-2.0 cts-math这是一个数学计算库371MIT OR Apache-2.0 cts-rscts-rs is a CLI tool designed to interface with AWS Control Tower. It provides capabilities to read AWS Control Tower statuses of…7,312Apache-2.0Command line utilitiesDevelopment tools ctshRuns rust code at compile time.1,544MIT OR Apache-2.0 ctsh-procPart of the ctsh crate: This crate provides the proc-macros.2,107MIT OR Apache-2.0 cttCompress images to GPU texture formats5,869MIT OR Apache-2.0 OR ZlibCompressionGraphics ctt-astcencVendored astcenc bindings for ASTC texture compression6,126(MIT OR Apache-2.0 OR Zlib) AND Apache-2.0CompressionGraphics ctt-bc7enc-rdoVendored bc7enc_rdo bindings with ISPC bc7e encoder5,855(MIT OR Apache-2.0 OR Zlib) AND Apache-2.0CompressionGraphics ctt-bc7enc-rdo-prebuiltPrebuilt ISPC static libraries for ctt-bc7enc-rdo5,906(MIT OR Apache-2.0) AND Apache-2.0CompressionGraphics ctt-c-apiC bindings for the ctt texture compression library35MIT OR Apache-2.0 OR ZlibCompressionExternal FFI bindings ctt-cliCommand-line interface for the ctt texture compression library113MIT OR Apache-2.0 OR ZlibCommand line utilitiesGraphics ctt-compressonatorVendored Compressonator CMP_Core bindings for BCn texture compression5,581(MIT OR Apache-2.0 OR Zlib) AND MITCompressionGraphics ctt-etcpakVendored etcpak bindings for ETC/EAC/BC texture compression and decompression5,724(MIT OR Apache-2.0 OR Zlib) AND BSD-3-ClauseCompressionGraphics ctt-intel-texture-compressorVendored Intel ISPC texture compressor bindings, based on intel_tex_25,918(MIT OR Apache-2.0) AND MITCompressionGraphics ctt-intel-texture-compressor-prebuiltPrebuilt ISPC static libraries for ctt-intel-texture-compressor5,889(MIT OR Apache-2.0) AND MITCompressionGraphics cttiCompile-time type information4,000MIT cttmCTTM is Compile-Time Template engine231MIT cttpsCrypto Transfer Protocol Secure (CTTPS) - A high-performance secure transport protocol using X25519 and AES-256-GCM.55MIT OR Apache-2.0CryptographyNetwork programming cttt-parserParser for github.com/change-this-then-that3,780MIT cttwCompile time twittering4,532MIT cttyCross-platform crate for determining a process' controlling tty (ctty)2,085MIT ctutilsConstant-time utility library with selection and equality testing support targeting cryptographic applications. Supports `const…33,347,962Apache-2.0 OR MITCryptographyNo standard library ctvA highly configurable tree file view visualizer CLI tool32,316MITCommand line utilities ctv_emulatorsImplementation of the CTV Emulator Trait5,026MPL-2.0 ctwCTW Sequence Predictor1,833MIT ctxContext defines a type, which carries deadlines, cancelation, and other request-scoped values across API boundaries and between…7,883MIT ctx-astSyntax and symbol extraction for CTX source indexing175MIT ctx-cliOpenCode-first graph memory and local context runtime for coding agents95MITCommand line utilitiesDevelopment tools ctx-configConfiguration loading and defaults for CTX175MIT ctx-coreCore indexing, packing, retrieval, and runtime orchestration for CTX146MIT ctx-engineAll-in-one Rust toolkit for Claude Code & MCP agents: auto-rewrite hooks, MCP server, repo maps with BM25+PageRank, call graphs…39MITCommand line utilitiesDevelopment tools ctx-graphGraph and memory storage layer for CTX175MIT ctx-hooksPrompt hook helpers for CTX host integrations120MIT ctx-intakeIntent detection and task intake helpers for CTX175MIT ctx-mcpLocal MCP server implementation for CTX121MIT ctx-packContext pack assembly and rewriting for CTX174MIT ctx-pickA CLI tool to concatenate files for LLM context1,409MITCommand line utilities ctx-pruneLog and diff pruning utilities for CTX174MIT ctx-semanticSemantic ranking helpers for CTX retrieval175MIT ctx-telemetryLocal telemetry and reporting utilities for CTX175MIT ctx-threadCooperative, scoped threads based on crossbeam and golang's [context](https://golang.org/pkg/context/) package.5,200non-standard ctx-tokenToken estimation utilities for CTX200MIT ctx_Extract message form headers only once for one req ( support async and sync ) / 一个请求只提取一次消息, 支持异步和同步5,770MulanPSL-2.0 ctxbuilderContext-based builders45,600MIT ctxd-clientOfficial Rust SDK for the ctxd context substrate daemon.62Apache-2.0API bindingsAsynchronous ctxd-coreCore types for ctxd: events, subjects, hash chains117Apache-2.0 ctxd-wirectxd wire protocol — message types, frame codec, and TCP client. The lean leaf SDK clients depend on.115Apache-2.0 ctxerrTiny wrapper on thiserror embedding backtrace and location14,822MIT OR Apache-2.0 ctxerr_deriveTiny wrapper on thiserror embedding backtrace and location13,943MIT OR Apache-2.0 ctxforgeDeterministic prompt engineer for AI coding agents. Detects your project stack, attaches GitHub resources, flags missing context…394AGPL-3.0-or-laterCommand line utilitiesDevelopment tools ctxgenGenerate AGENTS.md and CLAUDE.md from .context folder132MITCommand line utilities ctxgraphCore engine for ctxgraph — types, storage, query, temporal logic234MIT ctxgraph-cliCLI for ctxgraph — local-first context graph engine99MIT ctxgraph-embedSentence embedding engine for ctxgraph using all-MiniLM-L6-v2119MIT ctxgraph-extractExtraction pipeline for ctxgraph — NER, relations, temporal parsing255MIT ctxgraph-mcpMCP server for ctxgraph — exposes graph memory to Claude and other LLMs57MIT