All 305,250 crates, alphabetically

array-boxCreate Rust vector from C data, either owned or not owned.6,622MITAPI bindings array-bytesA collection of Array/Bytes/Hex utilities with full No-STD compatibility.14,121,100Apache-2.0/GPL-3.0AlgorithmsEncoding array-concatMacros for concatenating const arrays.530,001MITData structuresNo standard library array-const-fn-initInitializes an array with constant values calculated by a `const fn`483,237MIT/Apache-2.0Data structuresNo standard library array-dequeFixed-capacity circular buffer implementations: heap-allocated ArrayDeque and stack-allocated StackArrayDeque. Efficient O(1)…6,217MITData structuresNo standard library array-formatA block-backed, footer-indexed container for storing multiple n-dimensional arrays in a single file, with a delta/overlay…407Apache-2.0Data structuresEncoding array-fuConstruct arrays using simple syntax4,239MIT OR Apache-2.0No standard libraryRust patterns array-fusionArray merging and splitting facilities5,163Apache-2.0 array-helpersBasic length-generic operations on arrays.2,063MIT OR Apache-2.0Data structuresMemory management array-initSafe wrapper for initializing fixed-size arrays32,830,809MIT OR Apache-2.0Data structuresNo standard library array-init-cursorUtility crate to help keep track of arrays of MaybeUninit15,125,884MIT/Apache-2.0Data structuresNo standard library array-linked-listA data structure, which combines the advantages of dynamic arrays and linked lists12,763MIT OR Apache-2.0Data structures array-litMacros for array and `Vec` literals with superpowers5,337MIT OR Apache-2.0No standard libraryRust patterns array-macroArray multiple elements constructor syntax8,896,694MIT OR Apache-2.0Data structuresNo standard library array-macro-internalProcedural macro implementation of array-macro7,413MIT/Apache-2.0Data structuresNo standard library array-matrixTreats two-dimensional arrays as matrices and introduces matrix operations7,648MIT array-mergemerges two sorted array parts together3,978MIT array-mumuArray tools plugin for the Mumu ecosystem5,858MIT OR Apache-2.0Data structures array-objectSelf-describing binary format for arrays of integers, floating-point numbers, complex numbers, and strings. It is designed for…10,348Apache-2.0Data structuresDevelopment tools::Debugging array-opsAutomatic method implementations for array data types15,007MPL-2.0+Data structures array-parameterized-testParameterized testing using an input array.7,658MITDevelopment tools::Testing array-plus-extraAn array type that holds N+EXTRA elements with const generic parameters, providing safe slice access to contiguous memory104MIT OR Apache-2.0Data structuresEmbedded development array-queueFixed size bidirectional queues based on arrays13,555MIT array-sectionAn array where only a (contiguous) subarray may be viewed or operated on15,519MIT OR Apache-2.0No standard libraryNo standard library::No dynamic allocation array-toolsA little collection of array-related utils aiming to make life easier.15,502Apache-2.0 OR MITNo standard library array-utilno_std array helpers available without nightly2,995,952MITNo standard library array-utilsA no-std heapless set of array utils making use of const generics4,932MITEmbedded developmentNo standard library array-vecA library that provides a minimal Vec<T> that is backed by an array, instead of on the heap8,012MIT array256placeholder32non-standard array2dA fixed sized two-dimensional array212,679MIT array2dsSimple Package for handling sized 2d arrays in rust, without the usage of the keyword unsafe cuz why not9,754MIT/Apache-2.0Data structures array3d3d array with internal iterators and various helper functions, uses an vec3-of-ints index type as a stylistic choice (.x .y .z…2,222MIT array__opsA selection of useful array operations34,594MITAlgorithmsAsynchronous array_bufHighly optimized fixed-capacity deque buffer stored on the stack331MIT OR Apache-2.0Data structuresNo standard library array_builderImplementation example for the ArrayBuilder RFC10,689MIT array_chunksadds array_chunks back in4,880MITNo standard library array_cowIn memory array de-duplication, useful for efficient storing of a history of data versions.1,823Apache-2.0AlgorithmsData structures array_exEasy and powerful compile-time array initialization.1,766MIT OR Apache-2.0No standard libraryRust patterns array_extExtra functionality for Rust arrays11,184MIT array_finalarray1,981MIT array_init_macroSimple initialization macro for arrays.4,490MIT array_iter_toolsModify simple arrays7,166MITNo standard libraryRust patterns array_iteratorOwning iterators based on arrays.27,716Apache-2.0 array_listA chunked ordered collection with iterators and cursors3,145MITData structuresNo standard library array_manipulationMethods for manipuling arrays in a Vec-like fashion. It will (probably) get into core once const expressions get less…7,346MITData structuresEmbedded development array_mapMap backed array for fixed size keys with O(1) performance130,096MIT OR Apache-2.0Data structuresEmbedded development array_map_deriveMap backed array for fixed size keys with O(1) performance115,568MIT OR Apache-2.0Data structuresEmbedded development array_mathA selection of useful math operations on arrays62,559MIT array_of_baseAn array of specified length `N` of u8 values from 0 to `B`-11,749MITDevelopment tools array_par_mapProvides a trait for mapping values in an array in paralell using rayon1,858MIT array_poolA simple, tiered caching array pool implementation in Rust.5,142non-standard array_range_copyCrate that allows to set range of values in Rust's fixed size arrays1,753MIT array_range_queryHigh-performance generic segment tree and lazy segment tree implementations in Rust for efficient range queries, range updates,…1,771MITAlgorithmsData structures array_segmentsStore arrays in segment-lengths5,953MIT array_stat_functionsArray and Statistics functions in rust2,107MIT array_stumpA data structure mixing dynamic array and sorted set semantics.4,816MIT array_toolHelper methods for processing collections2,321,083MIT OR Apache-2.0Data structuresText processing array_traitA generic trait for any array, with item as type and length as const parameter99,249MITNo standard library::No dynamic allocationRust patterns array_try_mapAdds a try_map method to arrays.2,237MIT OR Apache-2.0No standard library array_windowsfinding the minimum or maximum n values from an iterable3,221MIT arrayboxA box with fixed capacity, backed by a byte array (it can be stored on the stack too). Implements fixed capacity `ArrayBox`.13,512MIT OR Apache-2.0No standard libraryRust patterns arraybufstd::io::BufWriter and BufReader based on stack-allocated [u8; N]1,417MIT OR Apache-2.0 arraydemo测试demo1,790BSD-2-Clause arraydequeA ring buffer with a fixed capacity, which can be stored on the stack.51,162,307MIT/Apache-2.0Data structuresMemory management arrayfireArrayFire is a high performance software library for parallel computing with an easy-to-use API. Its array based function set…120,159BSD-3-Clause arrayfire_forkArrayFire is a high performance software library for parallel computing with an easy-to-use API. Its array based function set…6,131BSD-3-Clause arrayfire_serdeSerde support for Arrayfire types.2,238MIT arraygenDerive macro for generating arrays from struct fields.44,535MITRust patterns arraygen-docfixDerive macro for generating arrays from struct fields.3,510MITRust patterns arrayinitRobust and simple API to initialize arrays3,102MIT OR Apache-2.0 arraylakeA client for Earthmover's ArrayLake platform997Apache-2.0ScienceScience::Geospatial arraylibTools for working with arrays5,426MITNo standard libraryRust patterns arraylikeThis crate provides an ArrayLike trait for using arrays without needing const expressions.1,614MITData structures arraylistA rust wrapper built on top of rust vector implementation. Taste like Java Arraylist, and intuitive to use like Python list and…11,860MITAPI bindingsData structures arraymapAdds a trait to map functions over arrays30,914MIT arrayppA `no_std` and no `alloc` library for more efficient array processing.1,417GPL-2.0-or-later arrayrefMacros to take array references of slices227,846,803BSD-2-Clause arraysConstruct an array from an iterator2,010,953MIT OR Apache-2.0Rust patterns arraysetAn array-backed ordered set type.24,290MPL-2.0Data structuresNo standard library arraysetcellA fixed-capacity, vector-like array with interior mutability and no ordering guarantees2,685EUPL-1.2Data structures arraystringFixed capacity stack based generic string1,860,550MIT OR Apache-2.0Data structures arraytoolsA variety of helpful methods for working with fixed-size arrays.127,030MIT/Apache-2.0No standard libraryRust patterns arrayvecA vector with fixed capacity, backed by an array (it can be stored on the stack too). Implements fixed capacity ArrayVec and…481,336,100MIT OR Apache-2.0Data structuresNo standard library arrayvec-constA vector with fixed capacity, backed by an array (it can be stored on the stack too). Implements fixed capacity ArrayVec and…15,034MIT OR Apache-2.0Data structuresNo standard library arrayvec-utilAdditional utilities for working with ArrayVec and ArrayString that make it more similar to the standard library583MIT OR Apache-2.0No standard library arrayyStack-allocated fixed-size array with useful methods on top of Rust's [T; L] type.2,705MIT arrcatArray concatenation49,488ZlibNo standard libraryRust patterns arrcompPython-style list comprehension syntax for contiguous memory Rust arrays.957non-standard arrdbOLAP analytical engine for multi-dimensional datasets — query Zarr, GeoTIFF, and GRIB via SQL20Apache-2.0 arrdb-bufferChunk in-memory format, aligned buffers, codec pipeline, and .ardb cache format for arrDb371Apache-2.0 arrdb-cacheTwo-tier LRU chunk cache with disk spill for arrDb178Apache-2.0 arrdb-cliCLI and REPL for arrDb — query multi-dimensional datasets with SQL18Apache-2.0 arrdb-computeSIMD compute kernels for arrDb — element-wise arithmetic, unary math, logical ops178Apache-2.0 arrdb-coreCore types, dimensions, schemas, and errors for arrDb497Apache-2.0 arrdb-execExecution engine for arrDb — compiles PhysicalPlan IR into live volcano operators127Apache-2.0 arrdb-exprExpression system for arrDb — scalar, domain, and aggregate expressions319Apache-2.0 arrdb-formatDataSource traits and format readers for arrDb230Apache-2.0 arrdb-irIntermediate representations for arrDb — physical plan, expression IR, task graph275Apache-2.0 arrdb-querySQL/MDA query engine for arrDb — parser, logical plan, optimizer, physical planner178Apache-2.0 arrefMake borrow mut elements from an array easier364,054MIT arrestAsync Rest client6,384MIT arrformString formatting without memory allocator22,975MIT OR Apache-2.0Embedded developmentNo standard library arrfounderArrfounder is a curated directory of verified founders and entrepreneurs with their products and revenue data.96MIT arriReserved name for package754MITDevelopment tools arri_clientClient library needed to use rust code generated by the Arri CLI56,355MITParsing toolsWeb programming::HTTP client arri_commonCommon types and utilities shared across Arri crates23,295GPL-3.0-or-laterDevelopment tools arri_reprRust representations of Arri types46,741GPL-3.0-or-laterDevelopment tools arribaAndale! Andale! Arriba! Arriba! Package Management at Lightning Speed1,072MIT arrival-coreAbstract layer communication framework16MIT OR Apache-2.0 arrival-traceAbstract layer communication framework16MIT OR Apache-2.0 arriveA simple CLI tool for interacting with Advent of Code12,723MITCommand line utilities arrlistA generic, heap-allocated dynamic array42MITData structures arrOgpuGPU Computing Library75Apache-2.0 arrokothWork in progress...1,418GPL-3.0-only arrowRust implementation of Apache Arrow66,673,780Apache-2.0 arrow-arithArrow arithmetic kernels66,168,745Apache-2.0 arrow-arrayArray abstractions for Apache Arrow80,432,324Apache-2.0 AND MIT arrow-avroSupport for parsing Avro format into the Arrow format447,983Apache-2.0 arrow-bufferBuffer abstractions for Apache Arrow80,531,261Apache-2.0 arrow-castCast kernel and utilities for Apache Arrow78,660,670Apache-2.0 arrow-cast-guess-precisionArrow cast function alternative with timestamp integer guessing precision5,968MIT arrow-csvSupport for parsing CSV format to and from the Arrow format56,761,617Apache-2.0 arrow-dataArray data abstractions for Apache Arrow80,302,486Apache-2.0 arrow-digestStable hashes for Apache Arrow.110,646Apache-2.0 arrow-flightApache Arrow Flight11,158,449Apache-2.0 arrow-flight-sql-clientAn Apache Arrow Flight SQL client3,359Apache-2.0 arrow-flightsql-odbcAn Apache Arrow Flight SQL server which proxies requests over ODBC4,450Apache-2.0 arrow-formatUnofficial flatbuffers and tonic code of Apache Arrow spec8,094,108Apache-2.0 arrow-gpuArrow GPU support1,762Apache-2.0 arrow-graphArrow-native graph processing engine with SQL interface3,493Apache-2.0AlgorithmsDatabase interfaces arrow-graph-coreArrow-native graph store with configurable namespace partitioning and optional layer columns118MITData structuresDatabase interfaces arrow-graph-gitGraph-native git primitives on Arrow RecordBatches — commit, checkout, merge, diff, blame, rebase31MITData structuresDatabase interfaces arrow-integration-testSupport for the Apache Arrow JSON test data format70,841Apache-2.0 arrow-ipcSupport for the Arrow IPC format73,275,481Apache-2.0 arrow-jsonSupport for parsing JSON format to and from the Arrow format57,481,879Apache-2.0 arrow-kafkaRust-based high-performance Kafka sink with Arrow zero-copy support19MIT arrow-kanbanArrow-native kanban with SHACL shapes, graph-native PRs, dual boards, and NATS multi-agent collaboration17MITCommand line utilitiesData structures arrow-langArrow programming language1,705Apache-2.0 arrow-messagearrow-message implements a way to define messages according to the Arrow format in both Rust and Python4,621Apache-2.0 arrow-message-derivearrow-message implements a way to define messages according to the Arrow format in both Rust and Python4,846Apache-2.0 arrow-mlOptimized tensor operations and machine learning primitives for Apache Arrow.16Apache-2.0MathematicsScience arrow-ml-activationsNeural network activation functions (ReLU, GELU, Sigmoid, SiLU, Tanh, Softmax) for Apache Arrow arrays.67Apache-2.0MathematicsScience arrow-ml-backend-metalMetal GPU backend plugin for arrow-ml. Discovered at runtime by arrow-ml-common's backend registry.18Apache-2.0MathematicsScience arrow-ml-commonShared error types and runtime backend plugin registry for arrow-ml.157Apache-2.0MathematicsScience arrow-ml-linalgLinear algebra, reduction, reshaping, convolution, and pooling kernels operating on Apache Arrow arrays.64Apache-2.0AlgorithmsMathematics arrow-odbcRead/Write Apache Arrow arrays from/to ODBC data sources.424,073MITDatabase interfaces arrow-ordOrdering kernels for arrow arrays66,367,014Apache-2.0 arrow-parserParser for the Arrow programming language4,699Apache-2.0 arrow-pgArrow data mapping and encoding/decoding for Postgres186,967Apache-2.0 arrow-pyarrowPyarrow bindings5,701,772Apache-2.0 arrow-rayonUse parallel iterators for Apache Arrow with rayon3,432UnlicenseConcurrency arrow-record-batch-transformComposable column transforms for Apache Arrow RecordBatches14MIT OR Apache-2.0Database interfacesEncoding arrow-rowArrow row format65,191,063Apache-2.0 arrow-schemaDefines the logical types for arrow arrays80,590,465Apache-2.0 arrow-selectSelection kernels for arrow arrays79,648,537Apache-2.0 arrow-stringString kernels for arrow arrays65,817,431Apache-2.0 arrow-sunnySunny protocol integration for Arrow.13,342AGPL-3.0 arrow-tiberiusApache Arrow and SQL Server bridge through Tiberius839Apache-2.0Database interfaces arrow-toolsUtilities for arrow-tools packages.51,299MIT/Apache-2.0 arrow-udfUser-defined function framework for arrow-rs.96,749Apache-2.0WebAssembly arrow-udf-flightClient for remote Arrow UDFs.48,090Apache-2.0 arrow-udf-jsJavaScript runtime for Arrow UDFs.130,525Apache-2.0 arrow-udf-macrosProcedural macros for generating Arrow functions.94,344Apache-2.0 arrow-udf-pythonPython runtime for Arrow UDFs.49,187Apache-2.0 arrow-udf-runtimeRuntime for Arrow UDFs.57,799Apache-2.0 arrow-udf-wasmWebAssembly runtime for Arrow UDFs.136,091Apache-2.0WebAssembly arrow-utilsArrow Utilities416Apache-2.0 arrow-view-stateHigh-performance columnar permutation index and filter engine for Apache Arrow18MIT OR Apache-2.0Data structuresScience arrow-vmVM for the Arrow programming language1,722Apache-2.0 arrow-zerobus-sdk-wrapperCross-platform Rust SDK wrapper for Databricks Zerobus with Python bindings179MIT OR Apache-2.0 arrow2Unofficial implementation of Apache Arrow spec in safe Rust7,169,668Apache-2.0 arrow2_convertConvert between nested rust types and Arrow with arrow2361,516Apache-2.0 OR MIT arrow2_convert_deriveProc macros for arrow2_convert362,131Apache-2.0 OR MIT arrow2ndjson-liteA little tool to convert an arrow file to a valid ndjson/json-stream1,424MIT arrow_cliA command line tool for interacting with server in Flight SQL protocol10,849Apache-2.0Command line utilities arrow_convertConvert between nested rust types and Arrow with arrow3,423,981Apache-2.0 OR MIT arrow_convert_deriveProc macros for arrow_convert3,423,959Apache-2.0 OR MIT arrow_extendrEnables the use of arrow-rs in R using extendr and nanoarrow9,916MIT OR Apache-2.0Development tools::FFI arrow_utilTools for Apache Arrow5,858Apache-2.0 arrowalloyRust trait for arrow driven implementation4,988MIT-0 arrowbatchReader for arrow-batch format29,208MIT arrowcCompiler for the Arrow programming language3,541Apache-2.0 arrowdb高性能本地向量数据库.5,119MIT OR Apache-2.0 arrowheadBase library for writing systems compliant with the Eclipse Arrowhead core systems.7,494EPL-2.0 arrowmaxHigh-performance Arrow data stack: columnar storage, zero-copy streaming, and schema codegen23MITAsynchronousData structures arrowpipeBuild complex pipelines easily1,719MIT arrowsAn actor framework in rust with message durability and ingestion order processing of of messages23,241AGPL-3.0-or-later arrows-svgSVG arrow generator3,855MIT OR Apache-2.0Graphics arrows_cliReserving name1,795AGPL-3.0-or-later arrows_commonReserving name1,835AGPL-3.0-or-later arrows_rtReserving name1,782AGPL-3.0-or-later arrowspaceGraph Wiring for embeddings using physical networks wiring. Provides graph analysis, vector search and a energy-distribution…7,037MIT OR Apache-2.0AlgorithmsMathematics arrowvortex_clipboardSmall library for encoding and decoding ArrowVortex clipboard data4,682MIT arrowx高性能本地向量数据库.提供本地 http 服务909MIT OR Apache-2.0 arroyAnnoy-inspired Approximate Nearest Neighbors in Rust, based on LMDB and optimized for memory usage446,110MITAlgorithmsData structures arroyoArroyo is a distributed stream processor that lets users ask complex questions of high-volume real-time data by writing…3,329MIT OR Apache-2.0Database implementationsWeb programming arroyo-udf-commonCommon utilities for the Arroyo UDF FFI API10,651MIT OR Apache-2.0Database implementationsWeb programming arroyo-udf-macrosMacros for the Arroyo UDF interface10,868MIT OR Apache-2.0Database implementationsWeb programming arroyo-udf-pluginPlugin interface for Arroyo UDFs9,161MIT OR Apache-2.0Database implementationsWeb programming arrpcA simple RPC library for modular-monolith development3,148MITNetwork programmingWeb programming::HTTP client