All 305,250 crates, alphabetically

buddyThe C++ package manager2,679GPL-3.0-or-laterCommand line utilities buddy-allocBuddy-alloc is a memory allocator for no-std Rust, used for embedded environments.429,892MIT buddy-allocatorA buddy allocator implementation supporting alloc-wg10,467WTFPLMemory managementNo standard library buddy-coreA generic, [no_std], allocation-free Binary Buddy Allocator engine for kernels and embedded systems.33MITEmbedded developmentMemory management buddy-rsRust-based shell assistant that helps you through your Linux/macOS terminal journey.54MITCommand line utilities buddy-slab-allocatorMemory allocator with Buddy and Slab allocation31,533Apache-2.0Embedded developmentMemory management buddy-systemSimple buddy system allocator for real-time usecases2,805MIT OR Apache-2.0 buddy-upBuddy up a changing group of people into unique pairs over time.2,944MIT OR Apache-2.0 buddy-up-libThe brains behind the buddy-up crate.1,708MIT OR Apache-2.0 buddy_clientA client for the Prusa Buddy Firmware http api.302MIT buddy_poolsimple buddy allocator488MIT OR BSD-2-Clause OR BSD-1-Clause buddy_system_allocatorA bare metal allocator that uses buddy system.2,217,726MIT buddyallocSafe and simple drop-in allocator for Rust running on embedded or bare metal systems (no_std)24,697Apache-2.0/MIT budgeA budgeting app written in Rust23GPL-3.0-only budgetSummarise budget/finance information with file-per-finance7,469GPL-3.0-only budget-trackerA TUI based budget tracker10,349MITCommand line utilities budget-wardenPolicy-based protection for scarce external API budgets.41MIT OR Apache-2.0API bindingsAsynchronous budget_tracker_tuiA feature rich TUI budget tracker app153GPL-3.0-onlyCommand line utilitiesFinance budgetbakers-wallet-cliAgent-ready CLI for the BudgetBakers Wallet REST API19MITCommand line utilities budgetinvoiceVery easy to use pdf invoice generator.4,004MIT budgetkernelA small, auditable, deterministic budget accounting kernel with zero heap allocation on the hot path.49MITAlgorithmsNo standard library budgieThe backend of a free budgeting tool1,638MIT budna-mcpMCP tools for the Budna marketplace API34MITAPI bindingsCommand line utilities budna-mcp-clientHTTP client and wire contracts for the public Budna marketplace API53MITAPI bindingsCommand line utilities budna-mcp-coreConfiguration and access policy for the Budna MCP server49MITAPI bindingsCommand line utilities budna-mcp-serverModel Context Protocol server for Budna marketplace capability profiles46MITAPI bindingsCommand line utilities budouxRust port of BudouX (machine learning powered line break organizer tool).8,519Apache-2.0 budoux-phf-rsRust implementation of BudouX172Apache-2.0 budouyRust port of BudouX with optional HTML processing and CLI232Apache-2.0Command line utilitiesInternationalization (i18n) buerReserved for WIP crate.1,660MIT buerostatusA Rust crate that wraps the buerostatus API from https://github.com/fsr5,166MIT bufRead buffer13,982MIT OR Apache-2.0 buf-fsA buffer based, in-memory filesystem.8,250MIT/Apache-2.0Embedded developmentFilesystem buf-listA list of buffers that implements the bytes::Buf trait973,054Apache-2.0Data structuresNetwork programming buf-minMinimal utf-8 safe buffer traits1,181,121MIT/Apache-2.0 buf-randthis crate contains a buffered randomizer for creating random booleans efficiently6,339GPL-3.0-or-laterCaching buf-read-extTrait extending anything that implements BufRead with stream_until_token()860,556MIT OR Apache-2.0 buf-ref-readerFaster, growable buffering reader for when there's little to no need to modify data, nor to keep it alive past next read.3,421Apache-2.0 buf-rustBuf runtime library for Rust (coming soon from Buf)20Apache-2.0 buf-toolchainInstaller for official Buf CLI binaries pinned by crate semver.634MITAPI bindingsDevelopment tools buf-toolsOfficial Buf CLI binaries from bufbuild/buf releases — fetched and verified at build time (see README).642MITAPI bindingsDevelopment tools buf-traitabstract over [u8], str, and friends458,017Apache-2.0 buf-viewRead/write primitive types on a wrapper buffer view3,232MITData structuresEncoding buf_fileA Buffered File that allows for both reading and writing15,976MIT buf_read_splitterA stream reader with ability to read a stream until a defined pattern is reached (usually an array of [u8])12,181MIT buf_read_writeBuffered IO. Like BufWriter and BufReader combined into one, with Seek-support.3,981MIT buf_reduxDrop-in replacements for buffered I/O in `std::io` with extra features.23,816,280MIT OR Apache-2.0 buf_redux_ngMaintenance fork of the unmaintained `buf_redux` 0.8.4 with the `trailing_semicolon_in_macro` future-incompatibility warnings…44MIT OR Apache-2.0 buf_sizedCalculate buffer sizes needed by types3,507MITEncoding buf_sized_deriveDerive macros to calculate buffer sizes needed by types2,740MITEncoding buf_streamBuffered I/O for streams where each read/write half is separately buffered. Fork of bufstream.1,814MIT/Apache-2.0 buf_stream_readerprovides a buffered access to a Read object with a limited Seek implementation.10,318non-standard bufchanA simple buffered MPSC channel3,894MITConcurrencyData structures bufdbAn in-memory buffer library.1,585Apache-2.0 buffTraits for buffer.1,843Apache-2.0 buff-rsBUFF: Decomposed bounded floats for fast compression and queries52MITCompressionData structures buff_valueOficial Version of a Simple library to calculate the value of a given investment922MIT buffaA pure Rust Protocol Buffers implementation with first-class editions support5,526,463Apache-2.0EncodingNo standard library buffa-buildBuild-time integration for buffa (use in build.rs)75,824Apache-2.0Development tools::Build Utils buffa-codegenShared code generation logic for buffa (descriptor → Rust source)636,175Apache-2.0Development tools::Build Utils buffa-descriptorProtobuf descriptor types (FileDescriptorProto, DescriptorProto, ...) for buffa601,131Apache-2.0EncodingNo standard library buffa-reflectRuntime reflection for the buffa protobuf implementation.241MITDevelopment toolsEncoding buffa-reflect-buildBuild-script integration that drives buffa-build and decorates generated code for reflection.35MITDevelopment tools::Build Utils buffa-reflect-deriveProc-macro derive for buffa-reflect's ReflectMessage trait.255MITDevelopment tools buffa-remote-deriveDerive macros that implement buffa's pluggable owned-type traits (ProtoString, ProtoBytes, ProtoList, ProtoBox, MapStorage) for a…25Apache-2.0Encoding buffa-typesProtobuf well-known types for buffa5,240,460Apache-2.0EncodingNo standard library buffaloSerialization library for Rust.15,701MIT buffalo_macroSerialization library for Rust.9,971MIT buffdbEmbedded storage at the speed of light.7,187Apache-2.0Database implementationsEmbedded development buffedTraits & implementation of parsing buffered IO1,696MIT OR Apache-2.0EncodingNo standard library::No dynamic allocation buffed-deriveDerive implementation SOA for independently buffered streams1,306MIT OR Apache-2.0 bufferSafe, write-only, generics-free buffer abstraction45,275MIT/Apache-2.0 buffer-graphics-libSimple graphics library for buffers78,814non-standardGame developmentGraphics buffer-language-serverLSP that can autocomplete words found in the opened buffer1,683non-standardCommand line utilitiesDevelopment tools buffer-plzBuffer for the ParsePlz ecosystem4,145MIT buffer-poolPooled in-memory buffers794,605BSD-2-ClauseNetwork programming buffer-reduxDrop-in replacements for buffered I/O in `std::io` with extra features.5,469,829MIT OR Apache-2.0 buffer-traitA `Buffer` trait for reading into uninitialized buffers.2,769Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MITNo standard library buffer-triggerA data collection trigger based on the maximum number and refresh time9,578MIT OR Apache-2.0 buffer-unordered-weightedStream::buffer_unordered where each future can have a different weight.210,867MIT OR Apache-2.0Asynchronous buffer_displayDisplay a buffer on a window, updating in realtime1,570GPL-3.0-or-laterGraphicsMultimedia buffer_ioan intuitive library for reading and writing binary buffers.5,768MITEncodingParsing tools buffer_ringA high-performance, latch-free log-structured storage layer built for modern flash storage and multi-core systems.312GPL-3.0 buffer_sv2buffer55,947MIT OR Apache-2.0 buffer_utilA crate meant to expand and improve upon the ByteBuffer crate1,855GPL-3.0 bufferbufferThis is an implementation of the Double Buffer design pattern from 'Game Programming Patterns' by Robert Nystrom.2,526MIT bufferedImplement SOA for independently buffered streams1,616MIT OR Apache-2.0 buffered-deriveDerive implementation SOA for independently buffered streams1,917MIT OR Apache-2.0 buffered-ioBufferering types for embedded-io120,231MIT / Apache-2.0 buffered-readerA super-powered Reader1,604,750LGPL-2.0-or-later buffered_loggera file logger implemetation for crate [log](https://docs.rs/log/latest/log/).4,425MIT buffered_offset_readerBuffered file read_at (pread)19,997MIT OR Apache-2.0 bufferedreaderA BufferedReader that behaves like the underlying File.read.1,729MIT bufferfishBinary message utility library for Rust and TypeScript interop.1,369MIT OR Apache-2.0Network programming bufferfish-coreCore types, traits, and logic implementations for bufferfish.1,900MIT OR Apache-2.0Network programming bufferfish-deriveMacros for bufferfish.1,628MIT OR Apache-2.0Network programming bufferingA library primarily designed for network packet buffer operations1,152,301BSD-3-Clause buffering_nocopy_macroA proc-macro crate for buffering18,971BSD-3-Clause bufferinoRusty wrapper around gbm803Apache-2.0 bufferpoolA vector of vectors backed by one contiguous vector - allows mutable borrows of non-overlapping regions.11,304MITAlgorithmsData structures bufferringRing buffers for Rust2,835MITData structures buffersAn alias for the `bytes` crate3,314MIT bufferstatsA library for calculating statistics on buffer data3,868non-standard buffertkBuffertk provides tooling for serializing and deserializing data.29,163Apache-2.0 buffetThread-local buffer pool for the `loona` crate.7,626MIT OR Apache-2.0 buffett-budgetBudget for bitconch:buffett5,594MIT buffett-coreCore library for Bitconch:buffett3,450Apache-2.0 buffett-cryptoCrypto for bitconch:buffett4,319MIT buffett-interfaceprogram interface for buffett4,174MIT buffett-metricsDashboard for bitconch:buffett7,213MIT buffett-timingTime constant for bitconch:buffett5,041MIT buffett_program_interfacethis is buffett common lib1,897MIT buffexBUFFer EXtensions: ring buffer and buffer chaining.1,157MIT/Apache-2.0AlgorithmsNo standard library buffiA tool to generate ergonomic, buffer-based C++ APIs.69,386MIT OR Apache-2.0Development tools::FFI buffi_macroA proc-macro to generate ergonomic, buffer-based C++ APIs.69,825MIT OR Apache-2.0Development tools::FFI buffinBuffin serialization to/from a binary buffer290MIT OR Apache-2.0EncodingNo standard library buffin_deriveBuffin serialization to/from a binary buffer143MIT OR Apache-2.0EncodingNo standard library buffoMemory-backed buffer toolkit with Chunk/ChunkMut traits for predictable, explicit, and retry-friendly access; ideal for Sans-I/O…15MIT OR Apache-2.0Data structuresEncoding buffoonSimple Protocol Buffers implementation4,604MIT buffrStub for `cargo install buffr` — points users at GitHub release artifacts. The real browser ships as a binary tarball; cargo…156MIT buffr-blink-cdpHeadless Chromium CDP backend for buffr-engine (Phase 4 spike)59MIT buffr-bookmarksSQLite-backed bookmarks store for buffr.48MIT buffr-cefCEF integration and browser host for buffr.30MIT buffr-configConfig loading and parsing for buffr.482MIT buffr-coreEngine-agnostic browser shell for buffr.299MIT buffr-downloadsSQLite-backed downloads store for buffr.357MIT buffr-engineEngine-agnostic browser trait + neutral types for buffr.287MIT buffr-helperCEF subprocess helper binary (renderer/GPU/utility).17MIT buffr-historySQLite-backed history store for buffr.343MIT buffr-modalVim-style modal keybinding engine for buffr.794MIT buffr-permissionsSQLite-backed per-origin permissions store for buffr.447MIT buffr-uiBrowser chrome, command palette, and hint overlay for buffr.82MIT buffr-view-sourceView-source renderer for buffr — syntax-highlights page source via hjkl-bonsai.160MIT buffr-zoomSQLite-backed per-site zoom-level store for buffr.345MIT buffrsModern protobuf package management44,359Apache-2.0Command line utilities buffyA text buffer3,949Apache-2.0 buffy-test-rsExample project for buffy33MIT bufhashBuffered hashing facilities2,781MIT OR Apache-2.0Algorithms bufiostd::io::Write for your potentially uninitialized slice of memory.69,287Apache-2.0 OR MITAPI bindingsEmbedded development bufjsonFast streaming JSON parser and lexer | Read JSON without allocating or copying.3,796MIT OR Apache-2.0EncodingNetwork programming bufkitMemory-backed buffer toolkit with Chunk/ChunkMut traits for predictable, explicit, and retry-friendly access; ideal for Sans-I/O…5,267MIT OR Apache-2.0Data structuresEncoding bufkit-dataA crate to manage an archive of bufkit files.73,574MITScience bufmut-netextSmall set of extensions for BufMut useful for protocol dev1,695MIT bufpoolVec<u8> pool allocator10,466Apache-2.0 bufpool-fixedFixed-length buffer pool allocator2,777Apache-2.0 bufrBUFR is binary data format defined by WMO focused on real-time data.3,715MIT OR Apache-2.0 bufr-dumpParse and show the content of a BUFR dataset. It is meant for human inspection (such as ncdump is for NetCDF).2,937MIT OR Apache-2.0 bufreaderwriterRust convenience structs that facilitate automatic switching between buffered reading and writing from a single underlying IO…45,500MIT OR Apache-2.0Filesystem bufrngAn RNG that generates 'random' numbers copied from a given buffer. INTENDED FOR TESTING AND FUZZING ONLY!!11,348MIT/Apache-2.0Development tools::Testing bufro2D vector graphics with C and Rust API17,121GPL-3.0Graphics bufrwThis crate provides a single adapter that buffers reads and writes on the same stream149,039MIT bufsAn alias for bytes::Buf and bytes::BufMut3,241MIT bufsizebytes::BufMut implementation to count buffer size877,389MIT OR Apache-2.0Memory managementNetwork programming bufstreamBuffered I/O for streams where each read/write half is separately buffered8,419,816MIT/Apache-2.0 bufstream-freshFork of the bufstream crate. Buffered I/O for streams where each read/write half is separately buffered.23,400MIT/Apache-2.0 bufstream2Not used. Contact owner for handover.1,428MIT bugA simple Rust library for printing an error in the event of a bug and allowing users to easily file a bug report via GitHub…3,499MIT bug-reportquick publish crates information1,731MIT AND Apache-2.0Development toolsDevelopment tools::Build Utils bug-squashThe only debugger that works on real bugs. Heats up your MacBook to evict unwanted critters — maxes all CPU/GPU cores with live…22MITCommand line utilitiesHardware support bugauditbugaudit by Shibly Meeran1,524MIT bugbitelibrary for bug, issue, and ticket mangling16,054Apache-2.0 OR MIT bugbite-clicommand line tool for bug, issue, and ticket mangling16,883Apache-2.0 OR MIT bugbotRepo-aware AI code review bot for GitHub PRs: agentic multi-pass review with voting, precise inline comments, incremental finding…149non-standardDevelopment toolsDevelopment tools::Build Utils bugcrowd-vrtRust client for Bugcrowd's Vulnerability Rating Taxonomy25MIT bugfixesRust logging client for Bugfixes with optional remote reporting725MIT buggyA less panicky replacement for unreachable!() and unwrap172,256BSD-3-Clause bughouseThis is a bughouse (2v2 Chess) library for tracking game state and validating legal moves14,505MIT bugiA language independant build and dependency management tool320GPL-3.0-or-later bugoniaTBD15BSD-2-Clause bugrepA GREP alternative to search for strings in files528MIT OR Apache-2.0 bugreportCollect system and environment information for bug reports2,250,716MIT/Apache-2.0Command-line interface bugsalotDebugging macros and APIs for shipping stable codebases.40,832MIT OR Apache-2.0Development tools::Debugging bugscopeDrop-in scope enforcement, authorization, and compliance helpers for security CLI tools36MITCommand line utilitiesNetwork programming bugsightDebug smarter, not harder — CLI tool that analyzes errors and suggests fixes190MITCommand line utilitiesDevelopment tools bugsnagThe api of Bugsnag in rust.32,487MIT bugstalkerBugStalker is a modern and lightweight debugger for rust applications.22,653MITCommand line utilitiesDevelopment tools::Debugging bugsyth_enginelittle framework using glium3,991MIT OR Apache-2.0 bugsyth_engine_imgui_supportimgui support for Bugsyth Engine4,567MIT OR Apache-2.0 buguCuckoo Filter: Practically Better Than Bloom8,677MITAlgorithmsData structures bugucbuguc5,586 GPL-3.0 bugwatchOfficial Rust SDK for Bugwatch - AI-Powered Error Tracking278MITDevelopment tools::DebuggingDevelopment tools::Profiling bugzilla-cliThin Bugzilla (BMO) REST client — fetch, search, and (with an API key) reply to bugs.18MITCommand line utilities bugzilla_queryAccess bugs on a remote Bugzilla instance.28,142Apache-2.0API bindings buhtigFuture home of GitHub API v3 client17,157AGPL-3.0-or-later buiA performant (currently - plan to support multiple backends) WGPU GUI rendering library.1,645non-standard bui-backendBrower User Interfaces (BUIs) with Tokio61,359MIT/Apache-2.0GUIWeb programming::HTTP server bui-backend-codegenBuildtime codegen support for bui-backend43,553MIT/Apache-2.0 bui-backend-typesshared backend/frontend types used by bui-backend62,925MIT/Apache-2.0 bui_basicSimplified wrapper around bui for building guis1,193non-standard buidlPrimitive types for blockchain protocols3,967MIT OR Apache-2.0 buidl-deriveCustom derive for buidl5,316MIT OR Apache-2.0 buidl-kitBuidl Kit is a toolkit for building decentralized applications on the major blockchain networks.955MIT buildJSON formatted application build details provided by the Cargo.toml file.8,898MIT build-alertDisplay a message in the Cargo build output during compilation.79,689MIT OR Apache-2.0Development tools::Build UtilsNo standard library build-arrayBuild an array dynamically without heap allocations.4,236MIT OR Apache-2.0 build-automataStatic regular grammar builder242MIT/Apache-2.0Parsing tools build-bpfTools for building ELFs and Skeletons for typical (e)BPF programs7,091MIT build-cleanClean all build caches on your disk!11,456Apache-2.0 build-contextMake build environment/target information available as constants in normal libraries and binaries.413,333Apache-2.0 OR MITNo standard libraryNo standard library::No dynamic allocation build-crateGeneric cargo-inside-cargo orchestration for cross-compiling guest programs123Apache-2.0