All 305,250 crates, alphabetically

base16csA base16 color palette template renderer4,165MIT base16ctPure Rust implementation of Base16 a.k.a hexadecimal (RFC 4648) which avoids any usages of data-dependent branches/LUTs and…193,167,827Apache-2.0 OR MITCryptographyEncoding base2Base-2 functions22,646Apache-2.0 base2048base2048 encoding for efficient encoding of binary data on twitter29,0570BSDEncoding base24A simple base24 implementation in Rust8,740MIT base256Encode and decode data in base 256 easily typed words9,032ISCCommand line utilitiesParser implementations base256_libBase256 encoder/decoder1,383MIT OR Apache-2.0 base256bencoder and decoder for base256 Braille33MITEmbedded developmentNo standard library base256emojiA multibase base256emoji implementation.5,802,463MIT base256uSimple mapping between bytes and Unicode codepoints7,097MPL-2.0EncodingNo standard library base256u-clibase256u encode and decode data to stdout5,246MPL-2.0Encoding base26base262,024Zlib base2histogramA Rust histogram library using base-2 logarithmic bucketing for fast percentile estimation158,306Apache-2.0AlgorithmsData structures base31Base31 encoding and decoding, useful to represent large integers in a short, case-insensitive, hard-to-misread format.2,829non-standardEncoding base32Base32 encoder/decoder for Rust27,489,465MIT OR Apache-2.0EncodingNo standard library base32-fsA variant of BASE32 encoding for hashes that are used as file names4,584MITEncodingFilesystem base32-simdSIMD-accelerated base32 encoding and decoding1,297MITEncodingNo standard library base32768Encodes binary data to UTF-16 text2,442MITEncoding base32ctPure Rust implementation of Base32 (RFC 4648) which avoids any usages of data-dependent branches/LUTs and thereby provides…97,875Apache-2.0 OR MITCryptographyEncoding base32hBase32H for rust3,142MIT OR Apache-2.0 base36Library for based36 encoding1,202,102Apache-2.0 base4A portable base4 bit packing codec implementation.1,084MIT OR Apache-2.0CompressionEncoding base45Encoder/decoder for base45243,402MITEncoding base58Tiny and fast base58 encoding11,769,560MIT base58-moneroLibrary with support for encoding/decoding Monero base58 strings.5,770,146MIT base58-turboA high-performance Base58 encoder/decoder for Rust, optimized for high-throughput systems.156MIT OR Apache-2.0CryptographyEncoding base58checkBase58Check encoding1,700,374MIT/Apache-2.0 base58check-encodebase58check string encoding helpers4,288non-standard base58ckBitcoin base58 encoding with checksum.5,316,336CC0-1.0Cryptography::CryptocurrenciesEncoding base58idA short, human-readable identifier for infrequently generated records1,726MIT OR Apache-2.0Encoding base58mbase64-like binary with support for encoding/decoding Monero base58 strings.10,796MIT base60encodes and decodes base60 as bytes or utf82,936MIT/Apache-2.0Encoding base62A Base62 encoding/decoding library16,150,077MIT base62-uuidMinimalist crate to generate Base62 UUIDs12,058MIT base62numA convertor between numbers and strings in Base62.3,369MIT base64encodes and decodes base64 as bytes or utf81,362,788,924MIT OR Apache-2.0Encoding base64-bytesBinary blobs with intelligent serialization257,453MIT base64-cipherA base 64 encoding and decoding library for Rust.1,179GPL-3.0 base64-cliA CLI tool for base648,283MIT base64-compatencodes and decodes base64 as bytes or utf8 - compatible with older Rust versions1,242,346MIT/Apache-2.0Encoding base64-easyencode and decode use base643,474MIT/Apache-2.0 base64-emoji-parser-rsConvert string to emoji cipher. Inspired by base64-emoji-parser1,631MIT base64-kenjiBase64 encryption and decryption2,078MIT base64-libA base64 encoder / decoder16,792MIT base64-literalA basic base64 literal macro1,690MIT base64-ltA base64 (with padding) string encoding/decoding utility.9,297MITCommand line utilitiesEncoding base64-ngno_std-first Base64 encoding and decoding with strict APIs and a security-heavy release process8,214MIT OR Apache-2.0EncodingNo standard library base64-ng-bytesOptional bytes::Buf and Bytes helpers for base64-ng273MIT OR Apache-2.0Encoding base64-ng-derivedependency-free derive helpers for fixed-size base64-ng byte newtypes286MIT OR Apache-2.0EncodingNo standard library base64-ng-sanitizationOptional sanitization integration helpers for base64-ng277MIT OR Apache-2.0CryptographyEncoding base64-ng-serdeOptional serde wrappers for base64-ng284MIT OR Apache-2.0EncodingNo standard library base64-ng-subtleOptional subtle::ConstantTimeEq helpers for base64-ng buffers253MIT OR Apache-2.0CryptographyEncoding base64-ng-tokioOptional Tokio async helpers for base64-ng265MIT OR Apache-2.0AsynchronousEncoding base64-rsEncodes and decodes base6446,619MIT base64-secretBase64 encoder/decoder with custom alphabet. The alphabet is sorted by a given key. The sorting is always deterministic.2,910MIT base64-serdeIntegration between rust-base64 and serde4,670,191Apache-2.0Encoding base64-simdSIMD-accelerated base64 encoding and decoding121,746,941MITEncodingNo standard library base64-streamTo encode/decode large data with the standard Base64 encoding.404,980MITEncoding base64-stringImplementation of the Base64 hash made using Rust1,726GPL-3.0 base64-string-rsA Rust crate for base64 string5,446MIT OR Apache-2.0Data structuresEncoding base64-turboThe fastest memory-safe Base64 engine. Formally verified (Kani/MIRI). Features runtime AVX2/AVX512 detection, NEON acceleration,…736MIT OR Apache-2.0EncodingHardware support base64-urlBase64 encode, decode, escape and unescape for URL applications.12,623,896MITEncodingNo standard library base64_img_cliEncode and decode images to and from base642,814MITCommand line utilities base64_lightBase64 Encoder & Decoder227,455CC0-1.0Encoding base64_padFast, efficient, correct, and const base64 with padding encoding and decoding13MIT OR Apache-2.0EncodingNo standard library::No dynamic allocation base64_tA Base64 type based on the base64 crate that guarantees successful encoding and decoding.3,796Apache-2.0Data structuresEncoding base64_textA CLI tool for encoding and decoding Base64 strings2,876MITCommand line utilities base64_typeSimple Rust type wrapper for Vec<u8> that uses base64 for serialization14,647MITRust patterns base64crPure & Fastest Rust implementation of Base642,000Apache-2.0 OR MITEncoding base64ctPure Rust implementation of Base64 (RFC 4648) which avoids any usages of data-dependent branches/LUTs and thereby provides…337,480,348Apache-2.0 OR MITCryptographyEncoding base64easysimple encodes and decodes base64 as bytes or utf837,558MIT OR Apache-2.0Encoding base64idEfficiently represent 64, 32 and 16 bit integers as base64url strings38,567MIT OR Apache-2.0Data structuresEncoding base64id-coreEfficiently represent 64, 32 and 16 bit integers as base64url strings4,569MIT OR Apache-2.0Data structuresEncoding base64id-deriveDerive macro for base64id. Not intended for use directly.4,164MIT OR Apache-2.0Data structuresEncoding base64sBase64s base on RFC4648 基于 RFC4648 文档编写的 Base64 编码解码库2,229MIT/Apache-2.0 base64toolBase64 encode and decode files2,848MPL-2.0Command line utilities base64urlBase64URL encoding defined in IETF RFC 464819,660Apache-2.0Encoding base64url_nopadFast, efficient, correct, and const base64url without padding encoding and decoding859MIT OR Apache-2.0EncodingNo standard library::No dynamic allocation base64urlsafedataBase 64 Url Safe wrapper for Serde8,327,294MPL-2.0Web programming base64urlsafedata-icpBase64 URL-safe data wrapper for Serde with ICP (Internet Computer) support526MPL-2.0EncodingWeb programming base64uuidType for representing base64url-encoded UUIDs13,844MIT OR Apache-2.0 base65536A binary encoding optimized for UTF-32/UCS-4 encoded text and Twitter48,835Apache-2.0Encoding base65536-cliSimple base65536 cli tool2,553non-standardCommand line utilitiesEncoding base67A base67 encoding/decoding library for Rust54MIT base79Textual representation of and utility functions for base-79 fractional numbers with arbitrary precision1,734MITEncoding base8A Base8 (octal) encoding and decoding library23MITEncoding base85A library for Base85 encoding as described in RFC1924395,412MPL-2.0-no-copyleft-exceptionEncoding base85-simdFast base85 (RFC 1924 / Z85-style) encoder and decoder, with SIMD on aarch64 (NEON) and x86_64 (AVX2).19MIT OR Apache-2.0Encoding base85rsA base85 (RFC1924 variant) encoder / decoder340,566MIT OR Apache-2.0Encoding base88Fast and safe Base88 encoding/decoding34MITAlgorithmsEncoding base91Encoding binary data as ASCII characters. Similar to base64, but more efficient.128,233MIT/Apache-2.0EncodingNo standard library base91-clibasE91 command-line encoder/decoder53MIT base91-rsbasE91 binary-to-text encoding — fast, no_std-compatible Rust implementation147MITEncoding base91lelittle-endian base91 encoding format that supports padding19MIT OR Apache-2.0Encoding base94Base94 encoding/decoding library4,334MIT base95Textual representation of base 95 fractional numbers with arbitrary precision3,105MITEncodingMathematics base_2Exact fixed-point geometry. Float in, float out, zero drift inside.20Apache-2.0Game developmentMathematics base_any通用的 base 系列编解码。中文编码。1,258MIT OR Apache-2.0EncodingNo standard library base_core_socialist_valuesEncode and decode with BCSV (base core socialist values)11,848MITEncoding base_cratetest crate5,278MIT base_customUse any characters as your own numeric base and convert to and from decimal.35,447MIT OR Apache-2.0CryptographyData structures base_emojiConvert everything to Emojis (and back)! - 🐫🔦🔥🎲🐬🍀🍟🔋🐬🎲🐬🍀🎁🍟💧👂🔥🚪🔋🍟🔦🔋🚗👣🔦🌍👂🍤🐗4,422MIT base_sequence_compressionLibrary for compressing and decompressing DNA sequences4,622MIT base_u256base-u256 is to utf-8 as base-64 is to ascii3,140MIT OR Apache-2.0 base_unicodeUnicode based binary encoding.1,711MIT OR Apache-2.0 base_urlA wrapper around the Url type for web urls29,315MITEncodingWeb programming base_utf8An example implementation of the base-utf8 encoding algorithm.1,607MITAlgorithmsEncoding base_xxBase XX encoding715MIT basebananabaseBanana implementation3,692MIT basebandBaseband is a discrete-time signals and systems processor1,709non-standard basebitsA library for encoding DNA into u64 to allow for constant time hamming distance calculations.16,185MIT basecalcArbitrary-precision multi-base scientific calculator19GPL-3.0Command line utilitiesMathematics basechemMinimalistic crate of base types for chemistry1,905MIT OR Apache-2.0 basecoatRust port of basecoat UI: rsx! macro on rstml + WASM controllers + Leptos adapter54MITTemplate engineWeb programming basecoat-componentsHTML-string component functions for basecoat-rs312MITTemplate engineWeb programming basecoat-controllersWASM controllers for interactive basecoat-rs components49MITWebAssemblyWeb programming basecoat-coreCore types, prop structs, and class-string functions for basecoat-rs401MITTemplate engineWeb programming basecoat-core-macrosProc-macro derive for basecoat-core prop structs427MITWeb programming basecoat-cssComponent-layer CSS source for basecoat-rs339MITWeb programming basecoat-leptosLeptos component wrappers for basecoat-rs85MITGUIWeb programming basecoat-macrosrsx! proc-macro for basecoat-rs (rstml-based DSL)308MITTemplate engineWeb programming basecoat-macros-rtRuntime helpers for the basecoat-macros rsx! proc-macro (HTML escaping)333MITWeb programming basecode-lspA Language Server Protocol (LSP) implementation for buffer, path, tmux, snippets completion.16MIT basecoin-storeA simple implementation of an AVL store tailored for the basecoin application.40,401Apache-2.0 basecrackerEncode, Decode and Crack encoded data, useful to crack some random encoded strings in CTFs.5,313MIT OR Apache-2.0Command line utilitiesEncoding basecrawlVerifiable web crawler CLI that emits a canonical ScrapeProof (thin install package for cargo install basecrawl)17Apache-2.0Command line utilitiesWeb programming basecrawl-corebasecrawl crawler core: URL/format validation, fetch, and ScrapeProof assembly28Apache-2.0 basecrawl-ffiStable C ABI and shared option bridge for basecrawl SDK bindings14Apache-2.0 basecrawl-fpSeeded fingerprint generator: bounded JA3/JA4, headers, UA/viewport/timezone/locale, canvas/WebGL38Apache-2.0 basecrawl-headless-chromebasecrawl fork of headless_chrome 1.0.22 with absolute scrape deadlines, RequestPausedDecision::Deferred, and --headless=new38MITAPI bindingsWeb programming basecrawl-proofCanonical ScrapeProof types and serialization for basecrawl31Apache-2.0 basecrawl-renderHeadless Chromium CDP rendering to Firecrawl-parity formats for basecrawl35Apache-2.0 basecrawl-sealbasecrawl confidentiality: RA-TLS key-release client, in-enclave DoH/DoT, sealed-task AEAD decrypt, result seal to committee36Apache-2.0 basecsPlaceholder for coming crate intended to replace tiny_ecs1,862MPL-2.0Data structuresGame engines basedCustom numeral systems11,592MIT OR Apache-2.0Encoding based16BASE-16(HEX) implementation for chads18,253BSL-1.0AlgorithmsNo standard library::No dynamic allocation based64BASE64 implementation for chads20,648BSL-1.0Algorithms basedropMemory management tools for real-time audio and other latency-critical scenarios131,484MIT/Apache-2.0 basefmtA formatter that applies universal formatting rules to any text file1,072MITCommand line utilitiesDevelopment tools baseforgeFast dataset discovery and archive helpers for Hugging Face and Zenodo250MITCommand line utilitiesDevelopment tools basegeomA library for 2D geometry, providing geometric algorithms for intersection/distance between circular arcs/line segments.4,488MITAlgorithmsData structures basehanA data encryption method using Chinese characters. Kind of like base64.13,160MITEncoding basehangulAn implementation of BaseHangul binary-to-text format in Rust20,087CC0-1.0 baseicA simple numeric conversion tool2,556MITCommand line utilities basejmpCLI to interact with Basejmp platform2,850Apache-2.0Command line utilities basekitUniversal library for encoding in various bases200MIT OR Apache-2.0 baselessArbitrary precision, arbitrary base floating-point integers1,731MIT baselineCommon types and traits for dealing with financial data10,040LGPL-3.0-onlyData structures baselinesBaseline correction algorithms for signals, spectra, and images17MIT OR Apache-2.0AlgorithmsScience baselinkerBaseLinker.com API client6,904MIT OR Apache-2.0 basemathmath, from the ground up7,949non-standard basementWindows service API1,456MIT basement-macrosmacros for service1,843MIT basemindFull AI context layer over MCP — tree-sitter code-map, document RAG (PDF/Office/HTML/email + OCR + reranker), shared agent…836MITCommand line utilitiesDevelopment tools basemind-lsp-positionsLSP-compatible character positions (maintained basemind fork, tree-sitter 0.26 port)22MIT OR Apache-2.0 basemind-stack-graphsName binding for arbitrary programming languages (maintained basemind fork)19MIT OR Apache-2.0 basemind-tree-sitter-graphConstruct graphs from parsed source code (maintained basemind fork, tree-sitter 0.26 port)21MIT OR Apache-2.0 basemind-tree-sitter-stack-graphsCreate stack graphs using tree-sitter parsers (maintained basemind fork, tree-sitter 0.26 port)19MIT OR Apache-2.0 basemyaiLocal memory engine for AI agents: 4 memory layers, temporal RAG, per-agent isolation, mandatory encryption. Built on…21MITAlgorithmsDatabase implementations basemyai-coreBusiness-agnostic embedded foundation: libSQL (native vector + encryption), Candle embeddings, async maintenance.36MITAlgorithmsDatabase implementations basenConvert binary data to ASCII with a variety of supported bases.229,254MIT OR Apache-2.0 basencEncoding and decoding hex, base64 and base32 with support for #[no_std].5,970MITEncoding basepermA tool for generating valid permutations of encoded inputs6,002non-standard baseplateShared substrate for agentic-harness tooling — model registry, trace types, path resolution, a cxpak MCP client, and Java-test…132MIT OR Apache-2.0Development tools baseratorBase16, Base32, Base45 and Base64 decoding and encoding via Iterator interfaces.17MIT OR Apache-2.0EncodingNo standard library baserow-rsA Rust client for the Baserow API.17,213Apache-2.0Database interfaces bases64Base64 base on RFC4648 基于 RFC4648 文档编写的 Base64 编码解码库2,272MIT/Apache-2.0 baseten_performance_client_coreHigh performance HTTP client for Baseten.co and other APIs194MITAsynchronousWeb programming::HTTP client baseunits-rsA library including domain models to deal with time and money.1,791MIT baseviewLow-level windowing system geared towards making audio plugin UIs.3,003MIT OR Apache-2.0GUI baseview-truceLow-level windowing system geared towards making audio plugin UIs. truce-audio fork of RustAudio/baseview carrying a Pro Tools…10,270MIT OR Apache-2.0GUI basexA client library for BaseX XQuery databases.9,595ISCDatabase interfaces basex-rsBase58 implementation.11,210MIT/Apache-2.0Cryptography basexxbasexx utilities. base32, base64, base58, base56...352MIT OR Apache-2.0Encoding bashBash910MIT bash-astTyped Rust AST over tree-sitter-bash. Parses bash source into a strongly-typed tree suitable for structural analysis (permission…36MIT OR Apache-2.0 bash-builtinsThis crate provides utilities to implement loadable builtins for bash.18,889Apache-2.0 bash-cfgLibrary for working with a control flow graph of bash shell code.21GPL-3.0-or-later bash-condexpbash-like conditional (test) expression evaluation lib in pure rust28MIT bash-fPure Rust implementation of the bash-f sponge function defined in STB 34.101.77-202012,879Apache-2.0 OR MITCryptographyNo standard library bash-hashbash hash function (STB 34.101.77-2020)806MIT OR Apache-2.0CryptographyNo standard library bash-kvA simple bash kv store1,685MIT bash-loadableSimple library for making Bash loadable builtins.40MIT bash-on-atcoderRun Bash scripts on AtCoder.1,895CC0-1.0Command line utilities bash-prg-ae..192MIT OR Apache-2.0 bash-prg-hashbash-prg-hash function (STB 34.101.77-2020)65MIT OR Apache-2.0CryptographyNo standard library bash2Bash interpreter/compiler. Will not support all the functionalities.1,556MIT bash_Bash interpreter/compiler. Will not support all the functionalities.1,547MIT bash_builtins_macroMacros for the bash-builtins crate11,802Apache-2.0 bash_bundlerCollects/bundles bash files into one file.3,200UnlicenseCommand line utilitiesDevelopment tools bash_macSTB 34.101.77 implementation43MIT OR Apache-2.0 bash_plugin_rscrate to write bash plugins5,828GPL-3.0-or-later bashdocA tool for generating documentation/help menu for user defined bash functions.22,605MITCommand line utilitiesText processing bashelpNatural language to shell commands. Local-first, provider agnostic.28MITCommand line utilities bashersInstallable cli helpers366MIT bashfullnever forget a bash command again6,937MIT bashguardRule-based bash guard for your coding agent42Apache-2.0 bashistoryTidies ~/.bash_history by removing noise commands (ls, cd, clear, etc.) and duplicates40MITCommand line utilities bashkitAwesomely fast virtual sandbox with bash and file system41,717MITCommand line utilitiesParser implementations bashkit-cliCommand line interface for Bashkit virtual bash interpreter727MITCommand line utilitiesParser implementations