BROWSE A-Z

All 305,250 crates, alphabetically

Data as of 2026-07-25 (crates.io database dump, timestamp 2026-07-25T02:00:36Z). Source: crates.io · db-dump.tar.gz · methodology & corrections.

calcifer-serverBackend logic for the Calcifer project.6,610MIT Mathematics Science calcifyPhysics vector library27,790MIT OR Apache-2.0 Science Simulation calcinumCalculator capable of handling arbitrarily large numbers233GPL-3.0-or-later OR MIT Mathematics calcioSimple CLI to see information and results of football matches in the various leagues1,509non-standard calcitInterpreter and js codegen for Calcit227,740MIT calcit_fingertrees(Calcit fork of )Immutable persisten `fingertrees`4,324MIT Data structures calcit_runnerInterpreter and js codegen for Calcit187,948MIT calciteA library to create deno plugins12,369MIT OR Apache-2.0 calcite_proc_macrosA helper library for calcite8,092MIT OR Apache-2.0 calciumThe future home of the calcium rendering library2,109MIT/Apache-2.0 calcium-oxideCalc-ium Oxide, a simple stack based command line calculator written in rust.11,850Unlicense calcliFast terminal calculator (TUI) with history, variables and engineering helpers54MIT Command line utilities Mathematics calclibA calculator framework designed to be modular632MIT calcltaor-RPCRPN library1,587MIT calcmhzEstimates CPU (processor) core frequency.13,067Apache-2.0 Hardware support calcoGeneric interface to work with genetic algorithms.2,823AML calcrsA command-line calculator with everything you need6,624MIT calcuA calculator library and CLI6,917MIT calcucalcA general-purpose calculus library written in Rust.11,240MIT calcul8A simple calculator CLI3,932MIT Command-line interface Command line utilities calculaA simple calculator library and command-line app716Apache-2.0 Command line utilities calculadoraCalculadora moderna feita com Iced285MIT calculagraphA handy library for measuring the execution time of function1,720Apache-2.0 calculat0rCli calculator app553GPL-3.0-only calculateRust library for parsing and processing arithmetic expressions24,528non-standard Parsing tools Science calculate-macroExpand the bit number of the parameters in the calculation formula to obtain the result with the expected bit number.1,001Apache-2.0 Calculaterfew basic sums of maths !!!11,219MIT OR Apache-2.0 calculatexA pretty printing calculator with support for units4,435MPL-2.0 calculationA simple mathematical expression calculator written in Rust, supporting arithmetic operations, functions, and interactive REPL.17MIT calculations_demoA crate containing many different useful math functions3,967MIT calculatorMathematical expressions library, for calculator writing, perhaps3,604 calculator-adrianovcarA simple calculator application759MIT calculator-albaxsSimple Lib calculator388MIT calculator-backendA simple calculator backend in Rust8,026MIT OR Apache-2.0 calculator-betoBiblioteca simples para operações com u32830MIT calculator-catitodevBiblioteca simples para operação com i32835MIT Mathematics calculator-cliA simple command-line calculator written in Rust4,379MIT calculator-danielgorgonhaSimple library for u32 operations including power and logarithm996MIT Algorithms Mathematics calculator-denizePrimeira lib usando rust agora com mais um tipo de calculo644MIT calculator-fcosuport01Blibioteca para operações com u32397MIT calculator-henriquecapiBiblioteca simples para operações com u32451MIT calculator-huggoxbyteUma biblioteca de calculadora com u32600MIT calculator-libA simple calculator library.2,620non-standard calculator-olivmathA simple calculator library862MIT calculator-parserA simple calculation parser for user input3,152MIT Mathematics Parsing tools calculator-rsCalculator is a library which support calculates the value of string4,735Apache-2.0 calculator-thigonBiblioteca simples para operações com u32690MIT calculator-tuiA command-line calculator with symbolic math support25MIT calculator-washinBiblioteca simples para operações com u32695MIT calculator-washinribeiroUma biblioteca simples para cálculos básicos792MIT calculator_101calculator_101 contains modules to perform basic arithmetic operation2,823MIT calculator_alexandregomes3112Lib test to calculator tests449MIT calculator_funsome basic and power function of calcultor are used from this library1,839MIT calculator_functionsome description3,250MIT calculator_functionsBasic maths functions2,122MIT calculator_i32some description1,835MIT calculator_jeanBiblioteca simples para operações com u32433MIT calculator_jpguizelBiblioteca simples para operação com u32462MIT calculator_juninUma calculadora simples feita em Rust446MIT calculator_utilA crate that helps you evaluating mathmatical expressions.2,858MIT calculator_wbarrozSimplistic library for u32462MIT calculatorbywaqasA beginner level calculator crate for testing1,877SimPL-2.0 calculatorgpweinsA simple calculator library431MIT calculatrice_backCalculator library1,824MIT calculatrsA simple command-line calculator with python-like syntax for simple on-the-fly calculations.7,257MIT/Apache-2.0 Command line utilities calculerCalculer -- CLI for SuanShu lib1,538MIT calculiA crate used to apply calculus functions on equations in string form6,358MIT calculoNumeric types and operations for high-performance scientific computing.1,127AGPL-3.0-only calculusThe fundamental package for calculus with Python1,538MIT calcustsomething like Excel.1,266MIT calcverauto calculation of version based on http://conventionalcommits.org16,071Apache-2.0 calcver_exampleAn example crate4,442Apache-2.0 caldataIcal/Vcard parser for Rust1,393non-standard Parsing tools calDAVcalDAV2,666MIT caldav-utilsfunctions for interacting with CalDAV servers14,385MIT caldeiraA safe vulkan wrapper1,715MIT OR Apache-2.0 calderc@lder Static Site Generator2,989MIT OR Apache-2.0 calderaUnsafe Vulkan bindings for Rust20MIT OR Apache-2.0 caldera-bindingsBindings for Caldera which includes bindings for libavcodec, libavformat, libavutil, pulseaudio and libsamplerate.5,780MIT caldir-cliCLI for interacting with your local caldir directory and syncing with external calendar providers379MIT Command line utilities caldir-coreCore library for caldir calendar storage, sync, and provider protocol1,055MIT Data structures caldir-provider-caldavGeneric CalDAV provider for caldir-cli284MIT Command line utilities caldir-provider-googleGoogle Calendar provider for caldir-cli320MIT Command line utilities caldir-provider-icloudiCloud Calendar provider for caldir-cli237MIT Command line utilities caldir-provider-outlookMicrosoft Outlook Calendar provider for caldir-cli158MIT Command line utilities caldir-provider-protonProton Calendar provider for caldir15MIT Command line utilities caldir-provider-webcalWebcal (ICS subscription) provider for caldir102MIT caldynDynamic evaluation of mathematical expressions13,404MIT/Apache-2.0 calePath manipulation library with no_std support708non-standard No standard library Calen-sCLIA very basic CLI utility tool.1,950MIT OR Apache-2.0 Command line utilities calenda-rsA Rust library for global calendars.12,804MIT OR Apache-2.0 Date and time Development tools calendarA Rust library, CLI, and MCP server for rule-based scheduling with constraints21Apache-2.0 Command line utilities Date and time calendar-cliA command line calendar1,574MIT Command line utilities calendar-coreCore traits and utilities for nusantara-calendar workspace21MIT OR Apache-2.0 calendar-durationA library containing a calendar respecting time duration.4,699MPL-2.0 Date and time calendar-linkRust library to generate an event link for Google Calendar, Yahoo! Calendar, Microsoft Outlook, etc.2,273MIT Accessibility Value formatting calendar-rsCalendar-rs is a small cli to handle your calendars from the terminal3,469non-standard calendar-sql-generator一个中国节假日工具，可自动调用互联网开放节假日API（接口坞），生成包含PostgreSQL或MySQL的表结构+INSERT语句的SQL文件，用于每年年底国务院发布第二年节假日信息后，生成最新数据，离线导入到业务系统数据库中。63MIT calendar-typesDate, time, and string primitive types for calendar data240MIT Date and time calendar_calculatorThe calendar_calculator crate is a simple library crate that provides a range of functionalities for calculating distances…3,929MIT OR Apache-2.0 Date and time calendar_clientclient to use trading economics api2,807MIT calendar_queueThis crate implements the idea of a 'Calendar Queue Scheduler' data structure.2,932MIT calendarizecalendarize a month10,832MIT Date and time calendrical_calculationsCalendrical calculations in Rust9,710,185Apache-2.0 Caching Data structures calendrierCrate for handling dates in the french Revolutionary calendar10,778MIT calendsCalendar library for Rust28,339MIT calendulaCLI to manage calendars194AGPL-3.0-or-later Command line utilities calepinA Rust CLI for preprocessing Typst documents with executable code chunks720MIT calfA very basic library to read QCOW files13,289MIT calf-vecSmall copy-on-write arrays, essentially combining `SmallVec` and `Cow`6,191MIT/Apache-2.0 Data structures calfemcalfem1,410non-standard calfsayAnother rust implementation of cowsay6,250MIT OR Apache-2.0 caliA terminal calculator with real-time evaluation, unit conversions, and natural language expressions.7,802MIT cali_cliCali's codegen and cli application4,028MIT cali_coreCali is a batteries included, opinionated rust based microservice framework.3,811MIT cali_deriveContains the macro's used to simplify a Cali project's setup & testing.1,643MIT calibA library for creating calendars with events2,886MIT OR Apache-2.0 calib-targetsMain entry point crate for a collection of plain calibration target detectors built on top of ChESS corners2,105MIT OR Apache-2.0 Computer vision Science calib-targets-arucoEmbedded ArUco/AprilTag dictionaries and fast marker decoding on rectified grids2,577MIT OR Apache-2.0 Computer vision Science calib-targets-charucoChArUco board detector built on top of calib-targets-core2,420MIT OR Apache-2.0 Computer vision Science calib-targets-chessboardInvariant-first chessboard detector built on top of ChESS corners2,864MIT OR Apache-2.0 Computer vision Science calib-targets-coreCore types and utilities for calibration target detection3,045MIT OR Apache-2.0 Computer vision Science calib-targets-markerCheckerboard marker target detector (checkerboard + 3 central circles)2,424MIT OR Apache-2.0 Computer vision Science calib-targets-printPrintable calibration target generation for chessboard, ChArUco, PuzzleBoard, and marker boards1,688MIT OR Apache-2.0 Computer vision Science calib-targets-puzzleboardPuzzleBoard self-identifying chessboard target detector (Stelldinger 2024)1,480MIT OR Apache-2.0 Computer vision Science calibanUser-facing binary for the caliban agent harness125AGPL-3.0-only Command line utilities Development tools caliban-agent-coreAgent loop, tool dispatch, cancellation, retry, compaction, and hooks for the caliban agent harness — internal crate for the…380AGPL-3.0-only caliban-checkpointPer-prompt checkpoint + /rewind store for the caliban agent harness (ADR 0028) — internal crate for the caliban binary; no API…163AGPL-3.0-only caliban-commonCross-crate plumbing (paths, env-var expansion, atomic writes, globs, tracing targets) for caliban — internal crate for the…661AGPL-3.0-only caliban-imagesImage ingest pipeline + graphics-protocol detection for caliban — internal crate for the caliban binary; no API stability, pin…156AGPL-3.0-only caliban-mcp-clientMCP client (stdio v1) — connects to MCP servers and surfaces their tools as caliban Tools — internal crate for the caliban…205AGPL-3.0-only caliban-memoryFile-backed memory tiers spliced into the caliban system prompt — internal crate for the caliban binary; no API stability, pin…212AGPL-3.0-only caliban-model-routerProvider-impl router that dispatches completion requests to different (provider, model) pairs by RequestPurpose — internal crate…157AGPL-3.0-only caliban-output-stylesOutput-style loader + system-prompt splice for the caliban agent harness — internal crate for the caliban binary; no API…157AGPL-3.0-only caliban-pluginsPlugin packaging orchestrator (ADR 0030) — skill / hook / agent / MCP / output-style bundles — internal crate for the caliban…158AGPL-3.0-only caliban-providerProvider-neutral message IR and trait for the caliban agent harness — internal crate for the caliban binary; no API stability,…604AGPL-3.0-only caliban-provider-anthropicAnthropic Claude schema family for the caliban agent harness — internal crate for the caliban binary; no API stability, pin exact…238AGPL-3.0-only caliban-provider-bedrockAWS Bedrock provider (Claude on Bedrock) for the caliban agent harness — internal crate for the caliban binary; no API stability,…126AGPL-3.0-only caliban-provider-googleGoogle Gemini schema family for the caliban agent harness — internal crate for the caliban binary; no API stability, pin exact…155AGPL-3.0-only caliban-provider-ollamaOllama schema family for the caliban agent harness — internal crate for the caliban binary; no API stability, pin exact versions155AGPL-3.0-only caliban-provider-openaiOpenAI schema family for the caliban agent harness — internal crate for the caliban binary; no API stability, pin exact versions160AGPL-3.0-only caliban-provider-vertexGoogle Vertex AI provider (Claude on Vertex) for the caliban agent harness — internal crate for the caliban binary; no API…119AGPL-3.0-only caliban-sandboxOS-level sandbox (macOS Seatbelt + Linux bubblewrap) for caliban subprocess tools — internal crate for the caliban binary; no API…196AGPL-3.0-only caliban-sessionsSession persistence for the caliban agent harness — internal crate for the caliban binary; no API stability, pin exact versions204AGPL-3.0-only caliban-settingsUnified layered settings (managed > user > project > local) for caliban (ADR 0026) — internal crate for the caliban binary; no…166AGPL-3.0-only caliban-skillsSkill loader + Skill tool for the caliban agent harness — internal crate for the caliban binary; no API stability, pin exact…160AGPL-3.0-only caliban-supervisorPer-repo supervisor daemon for caliban background sub-agents (ADR 0037) — internal crate for the caliban binary; no API…162AGPL-3.0-only caliban-telemetryOTLP export + cost accounting + context-window tracker for caliban (ADR 0033) — internal crate for the caliban binary; no API…156AGPL-3.0-only caliban-tools-builtinBuilt-in tools (Read/Write/Edit/Bash/Glob/Grep/WebFetch) for the caliban agent harness — internal crate for the caliban binary;…166AGPL-3.0-only caliban-worktreesGit worktree manager for caliban sub-agent isolation (ADR 0037) — internal crate for the caliban binary; no API stability, pin…176AGPL-3.0-only caliberA terminal-based task journal for developers. Capture ideas without leaving your workflow, find them when you need them.101MIT Command line utilities calibratormethods for calibration of scalar and vector measurement systems2,562GPL-3.0-or-later calibre-dbTypes and functions for interacting with the Calibre library database3,430CC0-1.0 API bindings Data structures calibrightA brightness utility that allows you to calibrate brightness between monitors59,684GPL-3.0-only calibright_cliA brightness utility that allows you to calibrate brightness between monitors8,377GPL-3.0-only calicoA parser, printer, and data model for iCalendar.434MIT Date and time Encoding caligulaA lightweight, user-friendly disk imaging tool6,925GPL-3.0 calimero-authForward Authentication Service for Calimero Network369MIT OR Apache-2.0 calimero-blobstoreCore Calimero infrastructure and tools10,224MIT OR Apache-2.0 calimero-clientCore Calimero infrastructure and tools5,785MIT OR Apache-2.0 calimero-configCore Calimero infrastructure and tools3,064MIT OR Apache-2.0 calimero-contextCore Calimero infrastructure and tools6,007MIT OR Apache-2.0 calimero-context-clientCore Calimero infrastructure and tools1,248MIT OR Apache-2.0 calimero-context-configCore Calimero infrastructure and tools10,121MIT OR Apache-2.0 calimero-context-primitivesCore Calimero infrastructure and tools6,912MIT OR Apache-2.0 calimero-cryptoCore Calimero infrastructure and tools10,311MIT OR Apache-2.0 calimero-dagCore Calimero infrastructure and tools1,784MIT OR Apache-2.0 calimero-governance-storeCore Calimero infrastructure and tools245MIT OR Apache-2.0 calimero-governance-typesCore Calimero infrastructure and tools375MIT OR Apache-2.0 calimero-networkCore Calimero infrastructure and tools3,931MIT OR Apache-2.0 calimero-network-primitivesCore Calimero infrastructure and tools10,266MIT OR Apache-2.0 calimero-nodeCore Calimero infrastructure and tools1,917MIT OR Apache-2.0 calimero-node-primitivesCore Calimero infrastructure and tools9,817MIT OR Apache-2.0 calimero-preludeCore Calimero infrastructure and tools4,123MIT OR Apache-2.0 calimero-primitivesCore Calimero infrastructure and tools14,997MIT OR Apache-2.0 calimero-runtimeCore Calimero infrastructure and tools6,355MIT OR Apache-2.0 calimero-sdkCore Calimero infrastructure and tools7,038MIT OR Apache-2.0 calimero-sdk-macrosCore Calimero infrastructure and tools7,774MIT OR Apache-2.0 calimero-sdk-nearCore Calimero infrastructure and tools1,600MIT OR Apache-2.0 calimero-serverCore Calimero infrastructure and tools4,093MIT OR Apache-2.0 calimero-server-primitivesCore Calimero infrastructure and tools7,558MIT OR Apache-2.0 calimero-storageCore Calimero infrastructure and tools6,589MIT OR Apache-2.0 calimero-storage-macrosProcedural macros for calimero-storage6,830MIT OR Apache-2.0 calimero-storeCore Calimero infrastructure and tools11,686MIT OR Apache-2.0 calimero-store-encryptionApplication-level encryption for Calimero store984MIT OR Apache-2.0 calimero-store-rocksdbCore Calimero infrastructure and tools2,507MIT OR Apache-2.0 calimero-sysCore Calimero infrastructure and tools10,559MIT OR Apache-2.0 calimero-tee-attestationTEE attestation generation and verification for Calimero1,575MIT OR Apache-2.0 calimero-utils-actixCore Calimero infrastructure and tools10,828MIT OR Apache-2.0 calimero-versionCalimero version information and build metadata300MIT OR Apache-2.0 calimero-wasm-abiWASM-level ABI v1 for Calimero applications7,504MIT OR Apache-2.0 calioiCalendar simple tui visulizer3,044non-standard Command line utilities caliperLibrary to capture performance metrics2,462MIT/Apache-2.0 caliphA simple tool to calibrate and convert pH measurements using a two point method8,561MPL-2.0 Mathematics Science caliphuiA simple tool to calibrate and convert pH measurements using a two point method3,579MPL-2.0 Mathematics Science calispMAL clone, lisp language4,415MPL-2.0 calkiA vim-inspired wiki note editor and calculator sheet190GPL-3.0-only callcall920MulanPSL-2.0 call-agentA multimodal chat API library with tool support, OpenAI API compatible11,367MIT API bindings Asynchronous call-byA trick to parameterize functions and traits by the calling convention of their arguments and results13,818MIT