All 305,250 crates, alphabetically

bobyqaDependency-free BOBYQA: derivative-free minimization of a box-constrained function from values alone — a faithful pure-Rust port…415MIT OR Apache-2.0AlgorithmsMathematics bocBehaviour-Oriented Concurrency1,398MIT boc-sysImplementation details of boc.1,890MIT bocaAruba implementation in Rust1,241MIT OR Apache-2.0 bocalSnapshot, share, and restore your local dev environment — db dumps, files, env vars.16Apache-2.0Command line utilitiesDevelopment tools bocchiBlack-box amp simulation engine with neural networks1,566MIT OR Apache-2.0 bochiA CLI tool to interact with Android UI elements with CSS-like selectors.43MIT bockThe Bock language compiler and CLI — feature-declarative, target-agnostic programming language with AI-native transpilation18MITCompilersDevelopment tools bock-aiAI provider interface for Bock's AI-native code generation pipeline (Generate, Repair, Optimize, Select)160MITCompilersDevelopment tools bock-airAnnotated Intermediate Representation (AIR) for the Bock compiler — typed, scope-resolved, effect-aware267MITCompilersDevelopment tools bock-astAbstract syntax tree definitions for the Bock language335MITCompilersDevelopment tools bock-buildBuild pipeline for Bock projects, coordinating parse, check, codegen, and target compilation45MITCompilersDevelopment tools bock-codegenMulti-target code generation for Bock — JS, TS, Python, Rust, Go106MITCompilersDevelopment tools bock-coreCore stdlib registry and runtime primitives for the Bock language77MITCompilersDevelopment tools bock-errorsDiagnostic error types and source span machinery for the Bock language compiler431MITCompilersDevelopment tools bock-fmtSource code formatter for the Bock language44MITCompilersDevelopment tools bock-interpTree-walking interpreter for the Bock language, used by `bock run` and tests106MITCompilersDevelopment tools bock-lexerTokenizer for the Bock language186MITCompilersDevelopment tools bock-lspLanguage Server Protocol implementation for the Bock language44MITCompilersDevelopment tools bock-parserParser for the Bock language, producing AST nodes from token streams134MITCompilersDevelopment tools bock-pkgPackage management for Bock projects, including dependency resolution and lockfiles42MITCompilersDevelopment tools bock-sourceSource file management and FileId mapping for the Bock language compiler383MITCompilersDevelopment tools bock-typesType system, type checking, and inference for the Bock language242MITCompilersDevelopment tools bock-vocabSelf-describing language vocabulary emitter for Bock — keywords, errors, prelude, stdlib, annotations32MITCompilersDevelopment tools bocu1BOCU-1 compressed unicode encoding1,625MIT bod2D game framework1,685MIT bodaopinionated alternative watch8,082non-standard bodegaA small, relatively simple object store implementation and helpers.4,179MITDatabase interfaces bodega-macrosbodega proc macros4,415MITDatabase interfaces bodhBodh — psychology engine for cognition, perception, learning, and decision-making439GPL-3.0-onlyScienceSimulation bodhibodhi REST API client78,503MIT OR Apache-2.0API bindings bodhi-clibodhi CLI client based on bodhi-rs30,645MIT OR Apache-2.0Command line utilities bodkinProc macro to simplify the integration of Arrow Data.12,210Apache-2.0 bodkin-deriveProc macro to simplify the integration of Arrow Data.12,084Apache-2.0 bodo_connectA library for mapping/connecting to your hosts in the whole world wide web.10,580GPL-3.0 bodyPolicy-managed body lifecycle primitives for Rust systems.28MIT OR Apache-2.0AsynchronousNetwork programming body-imageAdaptive RAM/file-backed HTTP bodies.26,247MIT/Apache-2.0Web programming body-image-futioFutures based asynchronous I/O for body-image.25,282MIT/Apache-2.0Web programming::HTTP clientWeb programming::HTTP server body-plzBody for the ParsePlz ecosystem15,810MIT bodybuilding_optimizerA bodybuilding routine optimizer in Rust15MIT OR Apache-2.0 bodybuilding_routine_keeper_2026Bodybuilding Routine Keeper — workout and meal planner31MIT OR Apache-2.0 bodyfileParser and Generator for the famous mactime bodyfile format19,031non-standard bodyparserBody parsing middleware for Iron.723,206MIT boehm-rsRust interface to BoehmGC3,433MIT boehm_gcRust allocator and interface for the Boehm GC5,585MIT bofa-cliCLI bot that scans GitHub PRs for sensitive file changes and posts templated review comments47MIT OR Apache-2.0Command line utilitiesDevelopment tools bofa-libLibrary for scanning GitHub pull requests for sensitive file changes and posting templated comment reports53MIT OR Apache-2.0API bindingsDevelopment tools bofhCommand-line client for the Cerebrum IGA12,852MITAPI bindingsCommand line utilities bofh-cliCommand-line client for the Cerebrum IGA2,435MITCommand line utilities bogThe highly-modular abstraction standard1,441non-standard bogdan_artA library for modeling artistic concepts.1,751MIT bogdan_hello_macroadds the method hello_macro that generates a greeting based on the name of the struct5,064MIT OR Apache-2.0 bogdan_hello_macro_deriveadds the method hello_macro that generates a greeting based on the name of the struct3,374MIT OR Apache-2.0 boggle-makerRust tools for Boggle enthusiasts: board generation and analysis.3,321MIT OR Apache-2.0 bogieA better alternative to the Debug derive652MIT bogie_coreCore utils for bogie1,087MIT bogie_deriveMacro crate for bogie1,086MIT bogo-allocAn allocator that makes C/C++ developers feel right at home.2,825non-standard bogo-plus-plusBlazingly fast 🚀 AI 🤖 Powered Sorting algorithm5,379GPL-3.0Algorithms bogobbleA Combinator bases string parser that allows borrowed results6,127MIT bogonA Rust library to check if an IP address is a bogon5,580MITNetwork programming bogosortbogosort implemented in Rust2,831MIT bogrepFull-text search for bookmarks from multiple browsers22,217Apache-2.0Command line utilitiesText processing boguinsimple HTTP client1,674MIT/Apache-2.0 bohA holder of many things4,546MIT OR Apache-2.0Development tools::Build Utils bohaCrypto bounties, puzzles and challenges data library2,025MITCryptographyData structures bohayMission control for your AI coding agents330AGPL-3.0-or-laterCommand line utilitiesDevelopment tools bohriumBh1071,852Zlib boidsA fast boids library for Rust1,951GPL-3.0 boids-rsA simulation of boids, written with nannou and using rayon for parallelism.2,934MIT boids_rs_bevyRust boids simulation using Reynolds model running with Bevy engine1,928GPL-3.0-or-laterGame developmentSimulation boilerA library for connecting to steam servers.5,441MIT OR Apache-2.0 boiler-generatedGenerated files for the boiler steam connection library.5,189MIT OR Apache-2.0 boilerfilesA CLI for download boilerplate files.5,586MITCommand line utilities boilermakerLanguage-agnostic code templates for rapid project boilerplate setup113MIT boilermaker-coreLanguage-agnostic code templates for rapid project boilerplate setup171MIT boilermatesA boilerplate generator for similar structs21,341non-standardData structuresDevelopment tools boilerpipeLibrary for text extraction from HTML documents10,449MIT boilerplateMinimal compile-time Rust template engine144,420CC0-1.0No standard libraryTemplate engine boilerplate-macrosMinimal compile-time Rust template engine macros14,639CC0-1.0No standard libraryTemplate engine boilerplate-parserMinimal compile-time Rust template engine parser15,027CC0-1.0No standard libraryTemplate engine boilerplatoA powerful tool to generate boilerplate source code from a template.19,030MITCommand line utilitiesTemplate engine boilerstripLearn site boilerplate selectors from multiple pages and convert HTML to clean Markdown1,272MITText processingWeb programming boilitA customizeable command line tool for boilerplating projects2,721MITCommand line utilities boilrsA fast rust CLI program to generate boilerplate code for programming languages5,459MIT boingA safe wrapper over libui-ng-sys10,691MPL-2.0API bindingsGUI boing-internalsInternal proc macros for the boing crate2,249MPL-2.0 boingboingboingAudio DSP library for musical applications4,013BSD-2-Clause bointerAssorted pointer-related utilities2,969MIT OR Apache-2.0No standard libraryRust patterns bointer-deriveAssorted pointer-related utilities (derive macro)3,756MIT OR Apache-2.0No standard libraryRust patterns boisThere'll be bois974MIT OR Apache-2.0 boj-cliboj-cli is a command line interface for BOJ.1,604MIT boj-clientRust client for the Bank of Japan time-series statistics API77MIT bojaA simple command line tool for conversion between color formats.2,827MIT boja_guessing_gameA fun game where you guess what number the computer has chosen.1,646MIT OR Apache-2.0 bojeBoje: a docker container monitor TUI that exposes and tracks system usage including VRAM.21MIT bokehA Rust implementation of image-blurring, focussing on disc-shaped kernels to produce a bokeh lens-effect.1,843MITComputer visionMultimedia::Images bokeh-creatorEasy to use library to replicate real world lens kernels2,709EUPL-1.2AlgorithmsGraphics bokkenTraining your solana programs in a controlled enviroment2,850GPL-3.0 bokken-runtimeDependencies for compiling solana program under the Bokken enviroment2,188GPL-3.0 bokoFast native ebook converter for EPUB, KFX, AZW3, and MOBI — the only KFX writer that needs no Kindle Previewer365GPL-3.0-or-laterEncodingParsing tools boksTo be added1,573Apache-2.0 bolaA lightweight native rust linear algebra library.608MITMathematicsScience boldlineSmall utility to generate a bold line in a repeated line of text4,232Apache-2.0 boleManage all package managers on your system2,024MITCommand line utilitiesDevelopment tools bolerofuzz and property testing front-end4,688,142MIT bolero-aflafl plugin for bolero4,370,428MIT bolero-enginefuzz and property testing framework4,749,023MIT bolero-engine-hydrofuzz and property testing framework (forked for the hydro_lang crate)44,484MIT bolero-generatorvalue generator for testing and fuzzing4,969,820MIT bolero-generator-derivevalue generator for testing and fuzzing4,975,958MIT bolero-generator-hydrovalue generator for testing and fuzzing (forked for the hydro_lang crate)44,784MIT bolero-honggfuzzhonggfuzz plugin for bolero4,363,244MIT bolero-hydrofuzz and property testing front-end (forked for the hydro_lang crate)44,214MIT bolero-kanikani plugin for bolero4,361,307MIT bolero-libfuzzerlibfuzzer plugin for bolero4,384,853MIT bolero-libfuzzer-hydrolibfuzzer plugin for bolero (forked for the hydro_lang crate)44,620MIT boleto-utilsUtility library to parse brazilian payment slip (aka 'boleto') barcodes.4,875MITParser implementations boleto-utils-cliUtility CLI to parse brazilian payment slip (aka 'boleto') barcodes.4,086MIT bolicHyperbolic's node implementation.1,568Apache-2.0 bolic-networkModern network abstraction and tooling for building distributed systems1,602Apache-2.0 bolivarPDF content extraction library (WIP)20MIT bolivar-cliPDF text extraction CLI tools245MITParser implementationsText processing bolivar-corePDF content extraction library377MITParser implementationsText processing bollardAn asynchronous Docker daemon API41,699,664Apache-2.0 bollard-buildkit-protoProtobuf definitions to interact with buildkit using Bollard14,347,873Apache-2.0 bollard-containerdAn asynchronous Docker daemon API124Apache-2.0 bollard-nextAn asynchronous Docker daemon API99,451Apache-2.0 bollard-next-buildkit-protoProtobuf definitions to interact with buildkit using Bollard1,570Apache-2.0 bollard-next-stubsStubs used for the Bollard rust async Docker client API96,557Apache-2.0 bollard-stubsStubs used for the Bollard rust async Docker client API45,633,435Apache-2.0 bollard-stubs-containerdStubs used for the Bollard rust async Docker client API214Apache-2.0 boloA tiny Rust implementation of the classic echo command44MIT OR Apache-2.0 boloneyA placeholder for future boloney shenanigans1,814MIT boltThe package provides a hierarchical read-write lock.3,452Apache-2.0 OR MITAsynchronousConcurrency bolt-anchor-attribute-access-controlAnchor attribute macro for instruction access control1,566Apache-2.0 bolt-anchor-attribute-accountAnchor attribute macro for defining an account1,559Apache-2.0 bolt-anchor-attribute-constantAnchor attribute macro for creating constant types1,557Apache-2.0 bolt-anchor-attribute-errorAnchor attribute macro for creating error types1,571Apache-2.0 bolt-anchor-attribute-eventAnchor attribute macro for defining an event1,551Apache-2.0 bolt-anchor-attribute-programAnchor attribute macro for defining a program1,555Apache-2.0 bolt-anchor-derive-accountsAnchor Derive macro for accounts1,562Apache-2.0 bolt-anchor-derive-serdeAnchor Derive macro for serialization and deserialization1,571Apache-2.0 bolt-anchor-derive-spaceAnchor Derive macro to automatically calculate the size of a structure or an enum1,583Apache-2.0 bolt-anchor-synAnchor syntax parsing and code generation tools2,487Apache-2.0 bolt-apiBolt API Platform3,957MITWeb programming bolt-attribute-bolt-accountBolt attribute-bolt-account1,627MIT bolt-attribute-bolt-argumentsbolt-attribute-bolt-arguments20,772MIT bolt-attribute-bolt-componentBolt attribute-bolt-component26,141MIT bolt-attribute-bolt-component-deserializeBolt attribute-bolt-component-deserialize26,079MIT bolt-attribute-bolt-component-idBolt attribute-bolt-component-id26,342MIT bolt-attribute-bolt-delegateBolt attribute-bolt-delegate15,522MIT bolt-attribute-bolt-extra-accountsBolt attribute-bolt-extra-accounts20,857MIT bolt-attribute-bolt-programBolt attribute-bolt-program26,416MIT bolt-attribute-bolt-systemBolt attribute-bolt-system26,153MIT bolt-attribute-bolt-system-inputBolt attribute-bolt-system-input24,783MIT bolt-cliBolt CLI7,979MIT bolt-clientA client that sends messages using the Bolt protocol.47,833MITAsynchronousDatabase interfaces bolt-client-macrosProcedural macros for bolt-client.30,641MIT bolt-componentBolt component template27,194MIT bolt-cw-sdkSDK for the BOLT protocol, providing utilities for interacting with the BOLT contracts.1,052MIT OR Apache-2.0 bolt-deriveA library implementing Bitcoin Lightning style serialization for structures88,195Apache-2.0 bolt-helpers-system-templateA template helper for the bolt system21,013MIT bolt-helpers-world-applyA helper library for the bolt world apply istructions20,643MIT bolt-langBolt Language25,692MIT bolt-liteMinimal read-only BoltDB parser for containerd metadata2,097MIT bolt-loadA fast, async, multi-connection parallel download library for Rust13,896MIT OR Apache-2.0AsynchronousNetwork programming bolt-load-adapterPluggable HTTP adapters for bolt-load: reqwest, ureq, and custom backends13,922MIT OR Apache-2.0AsynchronousNetwork programming bolt-load-coreCore traits and types for bolt-load: download sources, sinks, and error definitions13,950MIT OR Apache-2.0AsynchronousNetwork programming bolt-load-utilsUtility functions for bolt-load: HTTP header parsing, async readers, and tracing helpers13,950MIT OR Apache-2.0AsynchronousNetwork programming bolt-protoBolt protocol primitives: values, messages, and serialization / deserialization.46,625MITDatabase interfacesEncoding bolt-proto-5xBolt protocol primitives with 5.x support: values, messages, and serialization / deserialization.324MPL-2.0Database interfacesEncoding bolt-proto-deriveProcedural macros for bolt-proto.36,997MIT bolt-quadtreeHigh-performance loose quadtree for 2D collision queries.324MITAlgorithmsData structures bolt-rsLightning-fast Rust type checker - get instant feedback 10-100x faster than cargo check55MITCommand line utilitiesDevelopment tools bolt-sdkBolt SDK1,017MIT bolt-serverBolt ϟ - a high performance web server written in Rust2,352MIT/Apache-2.0 bolt-systemBolt system template27,572MIT bolt-utilsBolt utils25,490MIT bolt-web⚡ A high-performance, minimalist web framework for Rust, inspired by Express.js and Gin.2,350MITWeb programmingWeb programming::HTTP client bolt-web-macroProcedural macro for the Bolt web framework315MITDevelopment tools::Procedural macro helpers bolt11Lightning Network BOLT11 Implementation (Payment Requests)2,064MIT bolt_commonBuild and test APIs8,678MITCommand line utilities bolt_coreBuild and test APIs4,526MITCommand line utilities bolt_httpBuild and test APIs5,085MITCommand line utilities boltbuildBoltBuild is a programmable build system.1,022BSD-3-Clause boltchatClient library for bolt5,653MIT boltdb[WIP] A boltdb implementation written in Rust.1,738MIT boltffiHigh-performance FFI bindings generator for Rust. Up to 1000x faster than UniFFI, 450x faster than wasm-bindgen.32,658MITAPI bindingsDevelopment tools::FFI boltffi_astCanonical source AST for BoltFFI exported Rust APIs13,140MITDevelopment tools::FFI boltffi_backendBackend rendering contracts for BoltFFI binding metadata827MITDevelopment tools::Build UtilsDevelopment tools::FFI boltffi_bindgenCode generation library for BoltFFI - generates Swift, Kotlin, and TypeScript bindings7,431MITDevelopment tools::Build UtilsDevelopment tools::FFI boltffi_bindingBackend binding contract for BoltFFI exported Rust APIs13,077MITDevelopment tools::FFI boltffi_cliCLI for BoltFFI - generate Swift, Kotlin, and WASM bindings from Rust8,300MITCommand line utilitiesDevelopment tools::Build Utils boltffi_coreCore runtime types for BoltFFI - high-performance FFI bindings generator32,762MITDevelopment tools::FFI boltffi_ffi_rulesFFI type rules and transport encoding for BoltFFI36,124MITDevelopment tools::FFI boltffi_macrosProcedural macros for BoltFFI - #[data], #[export], #[class] attributes32,885MITDevelopment tools::FFIDevelopment tools::Procedural macro helpers boltffi_scanScans Rust syntax into the BoltFFI source AST3,393MITDevelopment tools::FFI boltffi_verifyStatic analysis and verification for BoltFFI generated bindings7,390MITDevelopment tools::FFIDevelopment tools::Testing boltpmA blazing fast package manager and CLI tool.72,835MIT OR Apache-2.0