All 305,250 crates, alphabetically

cstr-macroMacros for creating CStrings without allocations217,071MIT/Apache-2.0 cstr-macrosProcedural macros for cstr215,769MIT cstr8string types that are both valid UTF-8 and nul-terminated7,581MIT OR Apache-2.0Development tools::FFIRust patterns cstr_coreImplementation of CStr and CString for no_std environments.3,206,549Apache-2.0/MITData structuresNo standard library cstreamutilities for `libc::FILE` streams 'c streams'6,977MIT OR Apache-2.0Embedded developmentExternal FFI bindings cstreeLibrary for generic lossless syntax trees57,586MIT OR Apache-2.0Data structuresParsing tools cstree_deriveMacro implementation of `#[derive(Syntax)]`22,521MIT OR Apache-2.0 cstringA super simple cstring library for WebAssembly58,620MIT OR Apache-2.0No standard libraryWebAssembly cstring-arraySafe, zero-copy wrapper for passing string arrays to C FFI (char**)385MITAPI bindingsDevelopment tools::FFI cstring-interopCode to support calling into C APIs which consume strings6,181Apache-2.0 cstrptrFFI-compatible and no-std &CStr9,520MITDevelopment tools::FFINo standard library csumSimple Rust CLI to checksum5,120GPL-3.0-onlyCommand line utilities csvFast CSV parsing with support for serde.213,952,598Unlicense/MITEncodingParser implementations csv-adapter-aptosAptos adapter for CSV (Client-Side Validation) with resource-based seals81MIT OR Apache-2.0Cryptography::Cryptocurrencies csv-adapter-bitcoinBitcoin adapter for CSV (Client-Side Validation) with UTXO seals and SPV proofs63MIT OR Apache-2.0Cryptography::Cryptocurrencies csv-adapter-coreChain-agnostic core traits and types for CSV (Client-Side Validation) adapters286MIT OR Apache-2.0AuthenticationCryptography::Cryptocurrencies csv-adapter-ethereumEthereum adapter for CSV (Client-Side Validation) with storage slot seals and light-client proofs81MIT OR Apache-2.0Cryptography::Cryptocurrencies csv-adapter-storeSQLite persistence layer for CSV Adapter seal and anchor storage160MIT OR Apache-2.0Cryptography::CryptocurrenciesDatabase interfaces csv-adapter-suiSui adapter for CSV (Client-Side Validation) with object-based seals80MIT OR Apache-2.0Cryptography::Cryptocurrencies csv-asyncCSV parsing for async.4,337,325MITAsynchronousEncoding csv-catCSV processing built on comp-cat-rs: streaming, resource-safe, composable effects41MITEncodingParser implementations csv-cliCLI tool for CSV Adapter — cross-chain Rights, proofs, wallets, and end-to-end testing22MIT OR Apache-2.0Command line utilitiesCryptography::Cryptocurrencies csv-codegenA Rust procedural macro that transforms CSV data into safe, zero-cost code. Generate match arms, loops, and nested queries…4,218Apache-2.0Development toolsParsing tools csv-coreBare bones CSV parsing with no_std support.212,572,161Unlicense/MITEncodingNo standard library csv-data-qualityStreaming CSV validator against a data-contract-registry contract. Async, line-by-line, structured violation report. The fourth…18MITCommand line utilitiesData structures csv-diffCompare two CSVs - with ludicrous speed 🚀.104,557MIT OR Apache-2.0EncodingParser implementations csv-execExecutes a command for each line of a CSV file, using the columns values.4,461MITCommand line utilitiesText processing csv-exportExport CSV data through a template file.2,826MITCommand line utilities csv-generate-idsA simple tool to generate unique sequential identifiers2,998MIT csv-groupbyexecute a sql-like group-by on arbitrary text or csv files12,339Unlicense OR MIT csv-guillotineCSV's often have metadata at top before data headers. This removes it.18,781MIT csv-indexOn disk CSV indexing data structures.259,674Unlicense/MITEncodingParser implementations csv-lineFast deserialization of a single csv line6,638MIT csv-lspLanguage server for CSV/TSV/SSV files: diagnostics, quickfixes, column alignment20MITDevelopment tools csv-managedHigh-performance command-line toolkit for streaming, indexing, and transforming CSV datasets467MITCommand line utilities csv-mergeA cli tool for merging CSV files4,731Apache-2.0 csv-mergerA command line tool for merging multiple CSV files into one2,738MIT csv-noseCSV dialect sniffer using Garcia's Table Uniformity Method21,985MIT OR Apache-2.0Command line utilitiesParsing tools csv-parserCSV reader/parser, allowing for commas and new lines in quoted text2,900MIT csv-partial-cacheCsv index with partially cached columns3,282MIT csv-pipelineCSV processing library6,438MITEncodingParsing tools csv-queryMake SQL queries on CSV files9,132MIT csv-query-cliMake SQL queries on CSV files (cli)1,942MIT csv-query-rsMake SQL queries on CSV files3,435MIT csv-rsLibrary for HYGON CSV and DCU16,355Apache-2.0 csv-sanitySanitize and transform large CSVs with millions of records quickly and efficiently.2,036MPL-2.0Command line utilitiesText processing csv-schema-validatorDerive macro to validate CSV1,669MIT/Apache-2.0Development toolsParsing tools csv-schema-validator-deriveProcedural macro for deriving CSV schema validation1,984MITDevelopment toolsParsing tools csv-scoutA CSV file format sniffer for Rust115,917MITParser implementations csv-sliceExtract rows or columns from CSV files without loading the entire file605MITCommand line utilitiesParsing tools csv-snifferA CSV file format sniffer for Rust100,990MITParser implementations csv-spectrumCSV parser conformance test corpus44MITDevelopment tools::TestingParsing tools csv-splitterSplits CSV files into chunks by line count. Supports chunk upload to RabbitMQ.3,879MIT csv-sqlA simple CLI tool to generate SQL tables from CSV files7,433MIT csv-streamFor building CSVs as Streams or Iterators6,999Unlicense/MITEncoding csv-to-duckdbCLI converting Binance Vision CSVs to a DuckDB .duckdb file16MITCommand line utilities csv-to-htmlConvert CSV to HTML table7,204MITCommand line utilities csv-to-tursoCLI converting Binance Vision CSVs to a Turso .db file66MITCommand line utilities csv-to-usvCVS to USV: Convert Comma Separated Values (CSV) to Unicode Separated Values (USV) for data markup, including for spreadsheets,…19,416MIT OR Apache-2.0 OR GPL-2.0 OR GPL-3.0Command line utilitiesData structures csv-toolsA Rust crate for reading, creating and manipulating CSV files easily4,103MITParser implementationsParsing tools csv-txt-excel-parallel-toolkitA parallel and fast command line toolkit for small and large (>10G) CSV, TXT, and EXCEL files, with a unified api.6,609MIT OR UnlicenseCommand line utilities csv-zip-makercsv and zip maker33,799MIT OR Apache-2.0Filesystem csv2arrowConvert CSV files to Arrow49,478MIT/Apache-2.0 csv2duckPipeline para cargar datos RNC (Registro Nacional de Contribuyentes) a DuckDB desde fuentes CSV/ZIP22MIT csv2htmlConvert CSV files to HTML tables4,639BSD-3-ClauseCommand line utilities csv2jsonConverts CSVs into JSON documents8,410MITCommand-line interfaceData structures csv2json-easya binary tools in command line for converting ccsv to json1,742MITCommand line utilitiesDevelopment tools csv2json-liteA little tool to convert a csv to a valid json array of object1,838MIT csv2jsonlConverts CSV to JSON Lines1,641EUPL-1.2Command line utilitiesText processing csv2ndjson-liteA little tool to convert a csv to a valid ndjson/json-stream4,318MIT csv2parquetConvert CSV files to Parquet57,287MIT/Apache-2.0 csv2pqCSV to Apache parquet converter1,355MIT/Apache-2.0 csv2qrA simple command line tool for generating QR codes from a CSV file.5,030MIT OR Apache-2.0 csv2rdfLibrary for converting a CSV file to N-Triple RDF1,161BSD-3-ClauseCommand line utilitiesEncoding csv2structGenerate Rust struct definitions from CSV1,862MITCommand line utilitiesData structures csv2svgtake a csv as input and outputs svg84,015MIT csv2xlsConvert & merge csv files to excel file1,630MIT csv2xlsxConvert CSV files to Excel (in XLSX format)6,083MIT csv2xlsx-lineA rust library to convert csv to multiple xlsx files1,237MIT csv2xlsx-proFast and simple opensource tool to convert CSV to multi XLSX832MIT csv_challenge《Rust编程之道》随书源码之CSV挑战2,953MIT csv_challenge_ex《Rust编程之道》随书源码之CSV挑战1,688MIT csv_coincidenceSearch, count, filter, replace, and report pattern matches inside CSV files2,679MIT OR Apache-2.0Command line utilitiesParsing tools csv_converterA vault GUI for your offline passwords2,009GPL-3.0-or-later csv_cruncherA blazing-fast CSV processor with Python bindings, because pandas deserves a timeout668MIT csv_cspconverting csv file to a vector of a vector of strings1,600MIT OR Apache-2.0Parser implementations csv_dbA simple embedded NoSQL database using CSV files for storage.7,511MIT OR Apache-2.0 csv_deserializerA rust library to load a csv in a rusty typed way, all values are converted to the most appropriate enum73MIT OR Apache-2.0 csv_fishCSV categorical data analyzer. Generates 2x2 contingency tables according to specified row/column group conditions, and applies…6,196GPL-3.0+ csv_generatorA tool that generates CSV or Parquet files with synthetic data based on a provided JSON schema999MIT OR Apache-2.0 csv_ingestLibrary for parsing CSV files. It focuses on high throughput, low memory, and correctness by default.607MITData structuresEncoding csv_json_converterConvert CSV files to JSON format15MIT csv_ledgerConsume a CSV containing a list of transactions and produce a set of bank account statements.4,094MIT csv_ledger_libA sub-library for csv_ledger.3,462MIT csv_libLibrary for parsing CSV files using memory-mapped I/O, with low alloc, and AVX2/NEON support4,661MITEncodingParser implementations csv_log_cleanerClean CSV files to conform to a type schema by streaming them through small memory buffers using multiple threads and logging…9,041MIT csv_mdStruct to convert CSV to pretty-printed Markdown..792MITParsing toolsText editors csv_parser_moshkovskyiCSV parser built with Pest parser for Rust.978MIT csv_perusalReads CSV files and returns the contents of the file with the appropriate datatype.15,602Apache-2.0Data structuresDevelopment tools csv_polars_cleanerA robust Rust library for extracting and cleaning tabular data from messy CSV files using Polars.2,209MIT OR Apache-2.0 csv_prettyFork of https://github.com/BurntSushi/rust-csv49Unlicense/MITEncodingParser implementations csv_processorA fast command-line CSV analysis tool with automatic type inference and comprehensive statistics3,294MIT OR Apache-2.0Command line utilitiesData structures csv_readerLanguage management through CSV tables3,947MIT csv_splitA simple CSV splitter1,253MIT csv_stackerA simple utility to vertically stack CSV files with partially matching column headers.5,129MIT csv_to_icsA command line tool to convert a csv file of events to an ics file21non-standard csv_to_jsonA binary that converts a CSV file with a header line to its JSON representation.2,764 csv_to_tableA library for pretty print CSV as a table12,460MITText processingVisualization csv_transformA tool to read and transform CSVs with sqlite queries1,581MITCommand line utilities csv_uploaderA custom TSV/CSV -> DB uploader.5,132MITDatabase interfacesDevelopment tools csv_utilityCLI to map csv files and some other utilities.2,953MIT csvargsA command-line tool for processing CSV files with Jinja2 templates and executing commands on each row.442BSD-3-Clause csvbinmatrixBinary matrix Compressed Sparse Vector11,759MIT OR Apache-2.0 csvcprint the csv file by givin column names3,451MIT csvcatBatcat for CSV files36MITCommand line utilities csvcatrowCLI tool to concatenate csv (comma-separated values) files rowwise taking column headers into account1,566MIT OR Apache-2.0Command line utilities csvcellplotCSV to image converter, plotting multiple columns of numbers using blocks with varied lightness1,512MIT/Apache-2.0Command line utilities csvchkVertical view of delimited text records10,879non-standardCommand line utilities csvconvCSV Delimiter Converter.1,541MIT csvdbConvert between SQLite/DuckDB databases and CSV directories312MITCommand line utilitiesDatabase interfaces csvdiffCompare two CSV files by key and show differences.2,338MIT OR Apache-2.0Command line utilities csvdimreduceCommand line tool to annotate CSV files with a dimensionally-reduced coordinate columns1,519MIT/Apache-2.0Command line utilities csveeeA fast CSV library (name reservation — real code coming soon).11MIT OR Apache-2.0 csvenumGenerate code for enums with associated constants from a .csv in your command line.6,774MIT/Apache-2.0Command line utilitiesData structures csvgensmall utility to create mock-csvfiles.3,436BSD-3-Clause csviewA high performance csv viewer with cjk/emoji support.32,722MIT OR Apache-2.0Command line utilities csvkitA short and informative description of your Rust package.2,124MIT OR Apache-2.0Data structuresEncoding csvksjtexConverts a CSV file into a LaTeX tabular (in a format compatible with Waseda University assignments).1,735MIT OR Apache-2.0 csvlensCommand line csv viewer102,186MIT csvlintA CSV linter that validates CSV files according to RFC 4180942MIT csvllA library for localization through csv-files.3,999MIT csvlmLanguage management through CSV tables7,181MIT csvmdConvert from CSV to a Markdown table1,258MITCommand line utilities csvpA CSV parser with a couple additional features1,307MIT csvpeek-rsA CLI tool to quickly peek into, list, and filter CSV data.601GPL-3.0-onlyCommand line utilitiesText processing csvppCompile csv++ source code to a target spreadsheet format10,348MIT csvprettyA command-line tool that formats CSV input into tables with Unicode box-drawing characters39MITCommand line utilitiesText processing csvpsqlGenerate Postgres table from csv file.8,152non-standard csvqlA query engine for CSV data2,666BSD-3-Clause csvrA cli tool to parse and manipulate csv files2,749MITCommand line utilities csvrangerA library for parsing the output CSV files of 10x Genomics *ranger pipelines with Python bindings.179MIT csvreA simple tool for replacing data in CSV columns with regular expressions.1,897GPL-3.0-or-laterCommand line utilitiesText processing csvrollA low-level, non-FSM, zero-copy CSV parser.2,928Unlicense/MIT csvrowFast and simple crate for taking a string slice and iterating over the fields in a manner that adheres to RFC-41804,406Unlicense/MITParser implementations csvscsvs (CSV Sql) is a command-line tool that simplifies working with CSV or TSV files by enabling SQL queries through an embedded…3,482MITCommand line utilities csvs_convertSome Datapackage Conversion77,407MIT csvscBuild processing chains for CSV files17,380MITCommand line utilitiesDevelopment tools csvsourceConverts a CSV file to SQL Insert Statements.3,373Apache-2.0 csvsqlSQL like engine that works on CSV file.1,352MIT csvstoreWrite data in a folder structure and csv files2,294MIT/Apache-2.0 csvtooldeal with CSV files6,015MIT csvtoronconverting csv file to the ron format1,619MIT csvtosql-coreCore library for csvtosql and csvtosql-app.4,642MIT csvtosqliteImports CSV data into an SQLite database7,203MIT csvvya quick and dirty csv parser2,870MITParser implementations csvxComma-Separated Values eXtended23,382MITCompilersData structures cswSwitch between OpenAI Codex accounts — fast, beautiful CLI18MITCommand line utilities csw-cliCommand-line interface for the Categorical Semantics Workbench43MIT OR Apache-2.0CompilersDevelopment tools csw-coreCore categorical structures for the Categorical Semantics Workbench - define categories and derive type systems369MIT OR Apache-2.0CompilersDevelopment tools csw-deriveType system derivation engine for the Categorical Semantics Workbench - derive type theories from categorical structures266MIT OR Apache-2.0CompilersDevelopment tools csw-generateCode generation for the Categorical Semantics Workbench - generate type checkers and interpreters from derived type systems162MIT OR Apache-2.0CompilersDevelopment tools cswitchMulti-account profile manager for Claude Code26MITCommand line utilities csx64An Intel-style x64 assembler and executor.4,236MIT OR Apache-2.0 csynROS-like Synapse CLI over Zenoh and FlatBuffers134Apache-2.0 ctConstatn time numeric operations in Rust6,796 ct-aesConstant time AES.2,131BSD-3-ClauseCryptographyNo standard library ct-benchReproducible benchmark suite for constraint theory — snap, holonomy, deadband, distribution across all backends20MITDevelopment toolsMathematics ct-berggrenBerggren ternary tree — algebraic generation of all Pythagorean triples from (3,4,5)21MITMathematics ct-codecsConstant-time base64, base32, and hex codecs reimplemented in Rust18,517,042MITCryptographyEncoding ct-core-extExtended constraint theory core — adaptive deadband, multi-constraint intersection, snap diagnostics20MITMathematics ct-cuda-prepGPU-ready CUDA snap kernels — compile-verified, CPU fallback, PTX analysis20MITHardware supportMathematics ct-demoPythagorean triple snapping via sorted-Vec binary search (snap_kdtree)55MIT ct-fareyFarey sequence — optimal rational enumeration for Pythagorean snap quality bounds18MITMathematics ct-formacro to repeat code multiple times with different substitutions2,945MITDevelopment tools ct-geometryGeometric structures on the Pythagorean manifold — triangulation, Voronoi cells, neighborhood graphs20MITMathematics ct-holonomyHolonomy measurement on the Pythagorean manifold — angular deficit, Berry phase analogy18MITMathematicsScience ct-learnedLearned index structures for O(1) Pythagorean snap — CDF prediction with linear correction18MITMathematicsScience ct-logsGoogle's list of Certificate Transparency logs for use with sct crate12,799,086Apache-2.0/ISC/MIT ct-merkleAn implementation of the append-only log described in the Certificate Transparency specification (RFC 6962)85,731MIT/Apache-2.0CompressionCryptography ct-proofsFormal verification proofs for constraint theory — exhaustive testing and property checking18MITMathematicsScience ct-pythonExecute Python code at compile time to generate Rust code13,594BSD-2-Clause ct-sctA crate to encode or decode Signed Certificate Timestamps (SCTs) extension in X.509 certificates.1,942Apache-2.0 OR MITCryptographyData structures ct-simdSIMD-parallel batch snap on the Pythagorean manifold — Rayon + AVX2, 8x throughput18MITConcurrencyMathematics ct-sternbrocotStern-Brocot optimal rational approximation for Pythagorean snap — O(log N) time, O(log N) memory18MITMathematics ct-tilemapA library to help parse ClickTeam Tilemap files.5,098MIT OR Apache-2.0Data structuresParser implementations ct-trackerA simple CLI time tracking tool using ct_tracker_lib.2,944MITCommand line utilities ct-tracker-libA simple library for time tracking.3,770MIT ct-utilsCT-utils contains types and behaviours which resolve at compile time.2,001MIT ct-warpWarp-level GPU primitives for constraint theory — cooperative search, ballot, shuffle21MITMathematicsScience ct2rsRust bindings for OpenNMT/CTranslate246,056MITAPI bindings ct2rs-platformPlatform-specific default feature sets for ct2rs1,562MITAPI bindings ct_ratioCompile-time rational arithmetic for use in generics1,276non-standard ctaCompile-time assertions26MIT OR Apache-2.0 cta-train-trackerAPI wrapper for CTA Train Tracker1,566MIT OR Apache-2.0 cta708Minimal CTA-708 (DTVCC) closed caption encoder with CEA-608 compatibility.23MIT ctaesA wrapper of Bitcoin Core's ctaes C library. ctaes is a simple constant-time AES implementation.8,498Apache-2.0CryptographyEmbedded development ctaes-rsRust bindings and API for CTAES a constant-time AES implementation from Bitcoin Core https://github.com/bitcoin-core/ctaes2,913MIT ctaes-sysNative bindings to the ctaes library2,111MIT/Apache-2.0CryptographyExternal FFI bindings ctags-sysData-oriented Rust UI design toolkit.1,675Apache-2.0 ctags-updateIncrementally update a tags file with symbols from specific source files40GPL-3.0-only