All 305,250 crates, alphabetically

cantorA general toolkit for working with types that have a small number of values6,193MIT OR Apache-2.0CompressionNo standard library Cantor-PairA general algorithm to enable cantor pairing and unpairing between usizes. I'm not responsible for any damages if this code…2,452WTFPLAlgorithms cantor_macrosMacros for cantor5,588MIT OR Apache-2.0 cantripPractical extension methods for standard Rust collections10,795MIT OR Apache-2.0AlgorithmsData structures cantrip-vttA decentralized, terminal-based Virtual Tabletop (VTT) for RPGs, powered by Iroh.76MIT OR Apache-2.0Command line utilitiesGames canus-lupuscanus-lupus — Post-quantum Swiss Army Knife CLI (Layer 2 of the canus-lupus stack)35MIT OR Apache-2.0Command line utilitiesCryptography canutilsA can-utils implementation in pure Rust7,977MIT canutils-libA collection of types for working with CAN bus data136MIT OR Apache-2.0 canvas2D Canvas API that streams all drawing commands to a connected browser.4,735Apache-2.0API bindingsGUI canvas-appWASM application for Saorsa Canvas - combines core and renderer for web deployment.23MIT OR Apache-2.0 canvas-cliInteract with Canvas LMS from the command line.915GPL-3.0+ canvas-coreCore canvas logic for Saorsa Canvas - scene graph, state management, input handling. Compiles to WASM for universal portability.1,788MIT OR Apache-2.0Development toolsGUI canvas-desktopNative desktop host for Saorsa Canvas using winit + wgpu.25MIT OR Apache-2.0 canvas-displayWasm32 implementation for embedded-graphics https://github.com/jamwaffles/embedded-graphics DrawTarget. It is based on a HTML…4,648MIT canvas-downloaderDownload and organize all your course materials from Canvas LMS 📚83GPL-3.0-or-later canvas-gradingCLI tool used to fetch submissions and upload grades to and from Canvas LMS5,364AGPL-3.0-onlyCommand line utilities canvas-lms-apiRust client for the Instructure Canvas LMS REST API167MITAPI bindingsWeb programming::HTTP client canvas-lms-api-deriveDerive macros for canvas-lms-api66MIT canvas-lms-syncSynchronizes your course files and modules on Canvas LMS to your local machine.4,123Apache-2.0API bindings canvas-mcpMCP tools and resources for Saorsa Canvas. Extends Communitas MCP with canvas capabilities.418MIT OR Apache-2.0Development toolsGUI canvas-rendererCustom minimal renderer for Saorsa Canvas built on wgpu. Provides GPU rendering with WebGL2/2D fallbacks.693MIT OR Apache-2.0Development toolsGUI canvas-serverLocal embedded Axum server for Saorsa Canvas. Serves the PWA and handles WebRTC signaling.79MIT OR Apache-2.0Development toolsGUI canvas-syncA barebones CLI tool that keeps local folders up-to-date with online folders on Canvas.17,247MITCommand line utilities canvas_lms_connectorThis library provides a range of functionalities for interacting with the Canvas Learning Management System API.9,979MITNetwork programmingWeb programming canvas_syncerA syncer to Canvas LMS with files among courses11,515MITCommand line utilitiesFilesystem canvasapiCanvas LMS REST API11,258MIT OR Apache-2.0 canvasetteA minimal library for wgpu that draws sprites and text24,502LGPL-3.0-or-later canvyA helper package for representing 2D canvases9,145MIT OR Apache-2.0 canyonA simple Rust library with an add function23MIT OR Apache-2.0 canyon-sysA sys crate for the Canyon ML Project3,959MIT canyon_connectionA Rust ORM and QueryBuilder17,328MIT canyon_crudA Rust ORM and QueryBuilder16,904MIT canyon_entitiesA Rust ORM and QueryBuilder8,738MIT canyon_macrosA Rust ORM and QueryBuilder13,848MIT canyon_migrationsA Rust ORM and QueryBuilder7,516MIT canyon_observerA Rust ORM and QueryBuilder6,798MIT canyon_sqlA Rust ORM and QueryBuilder13,213MIT canyontestA simple Rust library with an add function42MIT OR Apache-2.0 caoUpdate DNS record.4,718AGPL-3.0 cao-langThe back-end of cao-lang, a node based visual scripting language93,540MIT caoeCaoE makes it easy to automatically kills all spawned children (and grandchildren) processes when the parent dies, even if killed…4,325MITOperating systems caosConcurrent Append Only Segment-list10,928MPL-2.0 capAn allocator that can track and limit memory usage. This crate provides a generic allocator that wraps another allocator,…1,793,509MIT OR Apache-2.0 cap-async-stdCapability-based version of async-std184,971Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MITAsynchronousConcurrency cap-clicap command-line tool — discover, drive, and orchestrate CLI AI agents.70MITCommand line utilitiesDevelopment tools cap-commonThe common data structures of CAP. This crate shouldn't be used for implementing support for cap, see cap-sdk instead.8,979GPL-3.0 cap-coreThe CAP SDK's core.1,677MIT cap-dir-extExtension traits for `Dir`7,383Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT cap-directoriesCapability-based standard directories for config, cache and other data121,899Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MITFilesystem cap-fs-extExtension traits for `Dir`, `File`, etc.13,279,840Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MITFilesystem cap-net-extExtension traits for `TcpListener`, `Pool`, etc.9,357,785Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MITFilesystem cap-primitivesCapability-based primitives18,703,612Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MITFilesystemNetwork programming cap-randCapability-based random number generators12,418,399Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MITAlgorithms cap-rsRust reference implementation of the CAP (CLI Agent Protocol).330MITCommand line utilitiesDevelopment tools cap-rs-a2aA2A HTTPS+SSE binding for the CAP (CLI Agent Protocol). Bidirectional A2A interop.18MITCommand line utilitiesDevelopment tools cap-rs-acpACP-stdio fast-path driver for the CAP (CLI Agent Protocol). Bridges Zed-style agents.17MITCommand line utilitiesDevelopment tools cap-rs-coreCore protocol types and Manifest parser for the CAP (CLI Agent Protocol).18MITCommand line utilitiesDevelopment tools cap-rs-grpcgRPC fast-path driver for the CAP (CLI Agent Protocol). For openclaude-style agents.20MITCommand line utilitiesDevelopment tools cap-rs-orchestratorFleet orchestration engine for CAP (CLI Agent Protocol) — declarative YAML-driven multi-agent coordination.73MIT cap-rs-ptyPTY-based universal driver for the CAP (CLI Agent Protocol). Drive any CLI AI agent.17MITCommand line utilitiesDevelopment tools cap-rs-stream-jsonstream-json fast-path driver for the CAP (CLI Agent Protocol).17MITCommand line utilitiesDevelopment tools cap-sdkAn SDK for implementing Cap support within your IC canister.7,607GPL-3.0 cap-sdk-coreThe core for Cap's SDK. This crate shouldn't be used for implementing support for cap, see cap-sdk instead.7,143GPL-3.0 cap-standardsA collection of transaction standards that can be used with Cap.4,263GPL-3.0 cap-stdCapability-based version of the Rust standard library14,535,448Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MITFilesystemNetwork programming cap-std-extExtension APIs for cap-std479,967MIT OR Apache-2.0 cap-tempfileCapability-based temporary directories884,629Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MITFilesystem cap-time-extExtension traits for `SystemClock` and `MonotonicClock`13,034,992Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MITDate and time cap-tokioCapability-based version of tokio2,414Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT cap1xxxembedded-hal driver for cap1xxx touch buttons1,882MIT OR Apache-2.0 cap_accessProvide basic capability-based access control to objects77,591GPL-3.0-or-later OR Apache-2.0 OR MulanPSL-2.0No standard libraryOperating systems cap_vecA no_std heap-backed vector with fixed compile-time maximum capacity.263MITData structuresMemory management capaFile capability extractor.162non-standard capabilitiesRust bindings to libcap. Allows you work with Linux Capabilities from Rust.27,204MPL-2.0 capabilityA Rust library for modeling and manipulating hierarchical skill trees, ideal for game development and skill progression tracking.489GPL-3.0-onlyAlgorithmsData structures capability-3pA Rust library to construct and manage skill trees optimized for growth environments, supporting robust algorithmic structures…5,425GPL-3.0-onlyAlgorithmsConcurrency capability-cliA CLI tool for designing, manipulating, and visualizing skill trees, with interactive commands and flexible data management.677GPL-3.0-onlyCommand line utilitiesData structures capability-controllerBounded Needletail media-capability issuer and browser exchange controller28MIT capability-coreCore capability model and contracts for the Helms application platform.215MIT capability-core-string-skeletonA Rust crate providing a framework to generate and manipulate skill tree skeletons using string-based node representations. It…1,230GPL-3.0-onlyAlgorithmsData structures capability-crate-writerA Rust crate facilitating generation of Rust crate text for dynamic skill trees, supporting dispatch, aggregate, and leaf holder…667GPL-3.0-onlyAlgorithmsDevelopment tools capability-exampleA framework for managing skill tree growth and configuration using automated and manual strategies, ideal for AI-driven…870GPL-3.0-onlyAlgorithmsAsynchronous capability-exportsA Rust crate for managing and exporting complex skill trees in growth systems with high flexibility and performance.660GPL-3.0-onlyAccessibilityData structures capability-feature-measurementA Rust crate providing a trait-based system for measuring and evaluating complexity, branching, density, and configuration of…2,680GPL-3.0-onlyAlgorithmsData structures capability-full-annotated-leaf-holdersA Rust crate for crafting fully annotated leaf holders mimicking detailed domain observations, using advanced serialization and…1,053GPL-3.0-onlyAlgorithmsData structures capability-generation-inputsA Rust crate to manage input parameters for generating tree-based models. It offers validation, serialization, and error handling…1,229GPL-3.0-onlyConfigurationData structures capability-grower-configurationA Rust crate to configure skill tree growth with capabilities for complexity management, tree expansion policies, capstone node…2,828GPL-3.0-onlyData structuresDevelopment tools capability-grower-configuration-comparisonA Rust crate for in-depth comparison of grower tree configurations, supporting nuanced evaluation of structural and policy…832GPL-3.0-onlyAlgorithmsData structures capability-grower-configuration-from-skeletonA Rust crate for inferring tree configurations from skill tree skeletons using statistical algorithms and heuristics, tailored…656GPL-3.0-onlyAlgorithmsData structures capability-grower-configuration-reconciliationA Rust library for comparing and reconciling grower skill tree configurations, capturing configuration changes exceeding…684GPL-3.0-onlyAlgorithmsDevelopment tools capability-patch-bayThis crate provides a basic patch-bay which can be used with the capability system.687GPL-3.0-onlyAlgorithmsData structures capability-pushdownDevice capability tiering and graceful degradation for Rust20MIT capability-registryCapability registry wiring the prio-* capability modules into the Helms platform.66MIT capability-skeletonA Rust library for managing and building complex hierarchical tree structures such as skill trees. Supports serialization, error…2,538GPL-3.0-onlyAlgorithmsData structures capability-skeleton-mockA Rust crate for constructing and managing hierarchical skeleton structures with diverse node types, enabling advanced testing…1,419GPL-3.0-onlyAlgorithmsDevelopment tools capability-skeleton-stringA robust library for managing skill tree skeletons using string-based nodes and bidirectional conversions between string and…1,587GPL-3.0-onlyData structuresMathematics capability-skeleton-validationA Rust crate for validating the structural integrity between the GrowerTreeConfiguration and its corresponding Skeleton. It…684GPL-3.0-onlyAlgorithmsData structures capability-specCapability specification parser with semver, dependency graphs, and scoring — Rust port of capability-spec31MITConfigurationParser implementations capability-stripped-string-skeletonProvides a streamlined representation of a skill tree structure, focusing on a lightweight, stripped-down version that retains…1,410GPL-3.0-onlyAlgorithmsData structures capacitor-tauriCapacitor platform runtime for Tauri apps.30MITGUI capacitor_bindingsCapacitor bindings to help you build android and ios apps with rust.19,145MIT capacitySimple capacity type3,087Apache-2.0/MITScience capacity-commitment-proverThe core project of the capacity commitment prover for the Fluence protocol1,604Apache-2.0 capacity_builderBuilders where the code to calculate the capacity is the same as the code to write what's being built.2,659,488MIT capacity_builder_macrosMacros for capacity_builder2,296,423MIT capbacReference implementation for Capability-based Access Control model6,775MIT capbac-cliCommand line utility for Capability-based Access Control model1,733MIT capbypassOfficial implementation of the CapBypass SDK for Rust.1,370GPL-3.0 capcom0Rust bindings to the infamous Capcom driver.3,811MIT capctlA pure-Rust interface to prctl() and Linux capabilities.1,211,092MITOperating systems::Linux APIs capdiff-coreCapability fingerprinting and diffing for Rust dependencies32MIT OR Apache-2.0Development toolsDevelopment tools::Cargo plugins cape🦸 An unintrusive ORM for Rust548MIT OR Apache-2.0Database interfaces capec-dataRequest CAPEC data offline25MIT OR Apache-2.0 capellaAn asynchronous StatsD clone7,242MIT caperMinimalist game framework77,478MIT capfilePure Rust crate for reading/writing pcap/pcapng files with zero-copy parsing60Apache-2.0 capgrokBuild wallet-signable messages with capability delegations that are human- and machine-readable.8,947Apache-2.0 capgunfire when ready file watcher4,868MIT caphindsight_ffttest2,397GPL-3.0 capiHelper methods for building a C API in Rust: passing ownership of Rust objects to C and back. NB: This will be obsolete once…5,853BSD-2-Clause capillaryLibrary for HashMap-like storage of key-value pairs, but allowing for step-by-step (partial) search of value.5,388MIT capiscoA repo manager that understands you.1,696GPL-2.0 capitalist-sortA just, fast ⚡ and efficient sorting algorithm where the winners are fair and kind19GPL-3.0 capitalizeChange first character to upper case and the rest to lower case, and other common alternatives158,620UnlicenseText processing capitan-libCAPITAN | Supervisor tree library Capitan allows you to create and configure services and supervisor trees through reactors and…15,801MIT capitolParse United States Congress legislative document citations3,387MIT capliteHost-capability tables as data: one declarative table per language drives type checking, import emission, docs, and a…47Apache-2.0CompilersDevelopment tools caplogCapture log messages for testing5,637MIT OR Apache-2.0Development tools::DebuggingDevelopment tools::Testing capmA CLI tool to manage your binary crates7,609MIT capnDevelopment automation tool for Rust workspaces25MIT OR Apache-2.0Development tools capn-configConfiguration types for capn102MIT OR Apache-2.0 capngRust wrapper for libcap-ng503,484Apache-2.0 OR BSD-3-Clause capnoiseA captcha based on noise animations, designed to protect website from AI or automation scripts.90Apache-2.0 capnpruntime library for Cap'n Proto data encoding13,004,992MIT capnp-futuresasync serialization for Cap'n Proto messages5,619,338MIT capnp-gjasynchronous I/O for Cap'n Proto13,651MIT capnp-jsonCap'n Proto JSON codec for capnp-rust636MITEncodingNetwork programming capnp-nonblock[deprecated] A Cap'n Proto message serializer and deserializer that works with non-blocking streams.10,219MIT/Apache-2.0 capnp-rpcimplementation of the Cap'n Proto remote procedure call protocol3,998,486MITNetwork programming capnp_convProvides capnp write/read traits to convert from structs to readers/builders44,149MIT capnp_conv2Provides capnp write/read traits to convert from structs to readers/builders12,707MIT capnp_conv2_codegen_reqFriendly Rust types for working with Cap'n Proto CodeGeneratorRequest schema data901MIT capnp_conv2_macrosProvides attribute macros that implement capnp read/write traits12,789MIT capnp_conv_macrosProvides attribute macros that implement capnp read/write traits44,691MIT capnpackCapnProto's packing algorithm for any binary data67MITCompression capnpcCap'n Proto code generation9,459,142MIT capnpc-embeddedCompile Cap'n Proto schemas in build.rs with no system capnp and no C/C++ toolchain — the capnp compiler is embedded as…62MITDevelopment tools::Build UtilsEncoding capnprotolsLanguage server and formatter (capnpfmt) for Cap'n Proto schema files96MITCommand line utilitiesDevelopment tools capnsCore cap URN and definition system for FGND plugins62MIT capnwebCapnWeb JavaScript-native RPC21MIT capnweb-clientHigh-performance Rust client for Cap'n Web RPC protocol with batching and pipelining307MIT OR Apache-2.0AsynchronousNetwork programming capnweb-coreCore protocol implementation for Cap'n Web RPC - capability-based security with promise pipelining959MIT OR Apache-2.0AsynchronousNetwork programming capnweb-serverProduction-ready server for Cap'n Web RPC protocol with capability management485MIT OR Apache-2.0AsynchronousNetwork programming capnweb-transportTransport layer implementations for Cap'n Web protocol (HTTP, WebSocket, WebTransport)654MIT OR Apache-2.0AsynchronousNetwork programming capnweb_typesRust type definitions for the Cap'n Web RPC protocol1,108MIT OR Apache-2.0Network programmingParser implementations capoLinux capabilities interface4,204Apache-2.0 capo-agentCoding-agent library built on motosan-agent-loop. Composable, embeddable.722MITCommand-line interfaceDevelopment tools capo-cliCapo — a Rust-native coding agent CLI.474MITCommand line utilitiesDevelopment tools capo-codemodeIn-process JS code-mode engine (rquickjs) for capo.130MIT capo-tuiElm-style MVU TUI library for the Capo coding agent.596MITCommand-line interface caposFront-door SDK for the capOS capability operating system: typed Cap'n Proto capability clients over a transport seam. The default…18MIT OR Apache-2.0No standard libraryOperating systems capos-abiShared no_std ABI and policy constants (process/thread quotas, credential and endpoint policy limits) for the capOS capability…76MIT OR Apache-2.0No standard libraryOperating systems capos-bitstructA macro for Rust structures containing bitfields21MIT OR Apache-2.0Development tools capos-capnp-buildBuild-time helper that generates and no_std-patches Cap'n Proto bindings for the capOS capability operating system.76MIT OR Apache-2.0Development tools::Build UtilsEncoding capos-configManifest/CUE loader, capability ring SQE/CQE wire structs, and generated Cap'n Proto schema bindings for the capOS capability…68MIT OR Apache-2.0No standard libraryOperating systems capos-libHost-testable no_std + alloc pure logic for the capOS capability operating system: ELF64 parser, capability table, frame bitmap,…18MIT OR Apache-2.0Data structuresNo standard library capos-rtno_std in-system runtime, startup, syscalls, capability ring client, and typed capability clients for capOS applications.35MIT OR Apache-2.0No standard libraryOperating systems cappCommon things i use to build Rust CLI tools for web crawlers.10,659MITAsynchronousConcurrency cappedProvides wrappers around common rust types with capped sizes2,452MIT OR Apache-2.0ConfigurationParsing tools capped_collectionsCollections with compile-time set capacities.781MIT OR Apache-2.0Data structuresNo standard library capped_multisetA Multiset that can return a capped value on the elements2,277MIT capped_streamThis crate provides types for size capped streams.7,049MIT OR Apache-2.0 cappieA fast JSON logger for Rust.932MITCommand-line interfaceCommand line utilities cappuccinoto be part of java ecosystem project1,632MIT cappy3dsA library to interface with various 3DS and DS capture cards1,863MIT capraDive planning library8,329MIT capra-coreDiver compression library7,896MIT caprandRP2040 secure random number generator by timing capacitor pullup2,8290BSDCryptographyEmbedded development capriceA REPL for Rust projects featuring an easy to use, zsh like autocomplete feature.17,433MITCommand-line interfaceCommand line utilities capricornParse html according to configuration17,328MIT OR Apache-2.0 capsA pure-Rust library to work with Linux capabilities20,195,157MIT/Apache-2.0 caps-saCache-friendly, parallel, sample-sort-based suffix array construction (Rust port of CaPS-SA)567MITAlgorithmsData structures capsaA compact, lightweight library for embedding-based document storage and retrieval33MITDatabase interfacesText processing capscanDiff the capability surface (unsafe, FFI, process/network/fs access, build scripts) of a crate between two versions before you…81MIT OR Apache-2.0Command line utilitiesDevelopment tools::Cargo plugins capscan-leaderboardTrack a curated crates.txt of crates.io crates over time with capscan, and publish a static leaderboard (HTML + Atom feed +…15MIT OR Apache-2.0Command line utilitiesDevelopment tools::Cargo plugins capscan-mcpMCP server exposing capscan's crate capability scanning (scan/diff/audit) as tools for AI coding agents.28MIT OR Apache-2.0Development toolsDevelopment tools::Cargo plugins capscreen_macosfork from screencapturekit-rs, add CoreGraphics Api, CGDisplay Api, capture_image_with_stream302MIT OR Apache-2.0API bindingsMultimedia capsecCompile-time capability-based security for Rust244Apache-2.0Development toolsRust patterns capsec-coreCore capability types for compile-time capability-based security in Rust624Apache-2.0No standard library::No dynamic allocationRust patterns capsec-macroProcedural macros for capsec: #[requires], #[deny], #[main], and #[context]326Apache-2.0Development tools::Procedural macro helpers capsec-stdCapability-gated wrappers around std::fs, std::net, std::env, and std::process495Apache-2.0Rust patterns capsec-tokioAsync capability-gated wrappers for tokio — the async counterpart to capsec-std253Apache-2.0AsynchronousRust patterns capsicumSimple intuitive Rust bindings for the FreeBSD capsicum framework20,308MPL-2.0Operating systems::FreeBSD APIs capsicum-netRust bindings to FreeBSD's cap_net library2,038MIT OR Apache-2.0Operating systems::FreeBSD APIs capsizeA converter for units of capacity4,857MIT capstanNURBS library with a CAD focus4,875MITAlgorithmsGraphics capstoneHigh level bindings to capstone disassembly engine (https://www.capstone-engine.org/)5,343,360MIT capstone-gitHigh level bindings to capstone disassembly engine (https://www.capstone-engine.org/)1,011MIT capstone-sysSystem bindings to the capstone disassembly library5,362,273MITExternal FFI bindings capstone-sys-gitSystem bindings to the capstone disassembly library1,159MITExternal FFI bindings