All 305,250 crates, alphabetically

splicer-tool-sdkRust SDK for building splicer middleware and downstream tools.164Apache-2.0WebAssembly splicetcpUserspace TCP termination shim, Ethernet frame classifier with a pluggable frame source, and L3<->L2 tunnel shim for the ArcBox…158MIT OR Apache-2.0 spliciA tool to generate spliced and unspliced reference transcripts for sequence alignment1,477MITCommand line utilitiesScience splikSimple programming language identifier kit.11,603MIT splineSplines.9,381MIT spline1dFast local one-dimensional cubic interpolation with full splines, interval-local interpolation primitives, and inverse lookup.18MIT OR Apache-2.0AlgorithmsMathematics splinefitB-spline curve and surface fitting — pure-Rust Dierckx engine with ergonomic API351MIT OR Apache-2.0AlgorithmsMathematics splinesSpline interpolation made easy1,050,118BSD-3-ClauseScience splinifyRust-wrapper for Dierckx' B-Splines Curve and Surface Fortran Library31,197MIT OR Apache-2.0 splinosaurusflexible spline and surface library5,076GPL-3.0MathematicsNo standard library splintCustom Rust Linting6,091MIT splinterSplinter is a privacy-focused platform for distributed applications that provides a blockchain-inspired networking environment…81,584Apache-2.0 splinter-rsA compressed bitmap format optimized for small, sparse sets of u32s with zero-copy querying.10,512MIT OR Apache-2.0Data structuresEncoding splintrFast Rust tokenizer (BPE + SentencePiece + WordPiece) with Python bindings16,911MITEncodingText processing splinyb-Spline Curves33,138MIT OR Apache-2.0 splitResource Split for BIN/IVF/WEBM/PSNR/YUV/...2,346MIT split-asyncA procedural macro to generate sync and async versions of a function1,077MIT split-brain-harnessSoul-injected two-stage LLM telemetry pipeline. Wraps any LLM with affective/intent/cognitive analysis, deterministic…77MITAsynchronousNetwork programming split-bufferAn efficient buffer for splittable byte slices1,702MIT split-char-from-strA small utility to split a string into the first or last character (type `char`) and the rest (type `&str`)1,693MITNo standard libraryParsing tools split-conserve-wsAn iterator that splits on whitespace but doesn't throw it away1,341MITAlgorithmsRust patterns split-csvSplit a lage csv file into multiple files14,082MITCommand line utilities split-digitslibrary to parse and interpret poetic source code7,031MIT split-everySplit for every n occurrences of a pattern iteratively!3,852MITDevelopment toolsParsing tools split-first-charThis crate is DEPRECATED, use split-char-from-str instead36,162MITNo standard libraryParsing tools split-identifierRust package that provides functions to split programmatic identifiers according to case conventions.838Apache-2.0 split-iterAllows splitting of iterators.1,020,084MIT split-optionalIt split from a source `str` to `Option<&'a str>` per an element.1,665MITRust patterns split-paragraphsIterator over paragraphs of a string.2,029MIT OR Apache-2.0No standard libraryNo standard library::No dynamic allocation split-spareA trait to allow referencing the already initialized part of a collection while pushing into it's reserved capacity.579MIT OR Apache-2.0Rust patterns split-stream-byStream extension crate for splitting a Stream into two per a predicate71,164MIT split-tail-outsplits tail output into multiple files1,470MIT-0 split-tkSimple tool to split data.1,469LGPL-3.0Command line utilities split-writeWrite files with configurable splitting7,386MIT OR Apache-2.0 split-yewYew component for the Split.js library: a resizable split view for web apps.6,884MITGUIWebAssembly split_arraySplit array references in two with compile-time size validation.4,045MITNo standard libraryNo standard library::No dynamic allocation split_audSplit parts out of an audio file without reencoding, using an Avisynth script's trims2,632MIT split_bySplit anything implementing Read trait by multiple sequences of bytes7,160MIT/Apache-2.0 split_by_discriminantA small utility for partitioning a sequence of items by enum discriminant498MIT split_by_discriminant_macrosproc_macros intended for use with split_by_discriminant159MIT split_channelsplit_channel provides a stream-of-messages abstraction with split send/recv channels.13,186Apache-2.0 split_exactsplitting strings into arrays of slices6,038MIT OR Apache-2.0 split_extExtension traits for splitting3,108non-standard split_oneA simple trait to allow accessing two parts of a vector mutably at the same time1,497non-standard split_ownedsimple way to split array in 2 owned arrays with compile-time bounds checks2,027MIT split_preserveAn iterator that splits on whitespace but doesn't throw it away7,670MITAlgorithmsRust patterns split_readsplit std::io::Read streams by a separator1,270MIT OR Apache-2.0Parsing tools split_sliceA Rust library for accessing (&[T], &[T]) as if it were a single slice610MITData structuresNo standard library split_tokensSplit compound tokens in their individual parts.2,416GPL-3.0 splitarA tool for content-aware splitting of tar files4,804MITCommand line utilities splitbitsConcise bit field extraction3,973BSD-3-ClauseParser implementationsRust patterns splitbotA terminal interface for SplitNOW swaps and local hot-wallet management.40non-standardCommand line utilities splitbySplit text by a regex delimiter — a powerful, multi-threaded alternative to cut76MITCommand line utilities splitdiff-rsRust splitdiff implementation5,608MIT splitdnsCross-platform DNS split-domain configuration and internal DNS resolution72MIT OR Apache-2.0Network programmingOperating systems spliterA simple way to implement Rayon's ParallelIterator281,431MITConcurrency splitfileReader and writer that splits IO across volumes (files) of a specified maximum size.5,746MIT OR Apache-2.0Filesystem splitio-clientRust unofficial SDK for Split.io.2,634MIT splitline-minimal-krateA minimal crate for demonstration purposes423MIT OR Apache-2.0Development tools splitmonicSplit your BIP39 mnemonic phrase using shamir secret sharing1,628Apache-2.0 splitmonic_bip39Library for BIP-39 Bitcoin mnemonic codes3,637CC0-1.0 splitmutSafely retrieves multiple mutable values from the same collection.1,006,884Apache-2.0/MITRust patterns splitnowRust SDK for SplitNOW, the multi-wallet instant crypto exchange564UnlicenseAPI bindings splitpStreaming SPLiT-seq read pre-processing1,539non-standard splitrcThread-Safe Split Reference Counts16,923MITMemory management splitrsAST-based Rust refactoring tool with trait separation, config files, and intelligent module generation952Apache-2.0Command line utilitiesDevelopment tools splits-io-apiBindings to the splits.io API for Rust.56,690Apache-2.0/MITAPI bindingsNetwork programming splits_iterIterator over all 2-splits3,940MIT splitstreamReal-time (local & cloud) simultaneous microphone and system audio transcription for macOS.190AGPL-3.0-onlyAPI bindingsMultimedia::Audio splittSplit text in your terminal701MITCommand line utilities splitterA string and slice splitter library11,896MITNo standard library splitter-deriveSplitter derive macro9,545MIT splitter-tree-sitterA code splitter utilizing Tree-sitter4,542MIT splitterrust_dbThe database implementation for splitterrust, a collections of utilities written in rust for the splittermond P&P.3,339non-standard splitterrust_discordThe discord implementation for splitterrust, a collections of utilities written in rust for the splittermond P&P.1,702non-standard splitterrust_serverThe RESt-API server implementation for splitterrust, a collections of utilities written in rust for the splittermond P&P.1,677non-standard splittya string splitter taking quotes into account348,197MITNo standard libraryParsing tools splitvShow texts side by side8,082MIT OR Apache-2.0 splitwiseSplitwise SDK for Rust6,012Apache-2.0Web programming::HTTP client splitwise-cliA command-line interface for Splitwise18MITCommand line utilities splitxsplitting a text file into pieces with the size of each piece below a specified maximum number of bytes on disk1,224MIT splixLightning-fast image splitter.5,311MITCommand line utilities splogA TUI log viewer with automatic category filtering55MITCommand line utilitiesDevelopment tools::Debugging splog-coreInternal categorization engine and log-view state for the splog TUI. Not intended for external use.80MITCommand line utilitiesDevelopment tools::Debugging splopHelper functions to determine the first/last repetition of something.3,359MIT/Apache-2.0Rust patterns splotPlot data to HTML5,335MIT OR Apache-2.0ScienceVisualization splotchPlot data to HTML2,639MIT OR Apache-2.0ScienceVisualization splotrsDependency-light sPlot fits backed by Rust and Ganesh45MIT OR Apache-2.0MathematicsScience splrA modern CDCL SAT solver in Rust48,021MPL-2.0MathematicsScience spltuiSebuah Kalkulator Sistem Persamaan Linear (degan) Variabel Berbasis Terminal User Interface.7,582MIT splunkSplunk client implementation supporting HEC and REST APIs11,097MIT splunk-cimType definitions and serialization for Splunk's Common Information Model1,715Apache-2.0 splutterA library to create/generate text efficiently.1,554MIT spmShell Program Manager written in Rust for managing shell scripts.3,989MIT spm-helperA program that helps you make .spm packages1,122GPL-3.0 spm-swift-packageCommand Line Tools for macOS to create project in Swift Package Manager with desirable files.7,674MIT spm_coreCore business logic for spm-swift-package172MIT spm_precompiledThis crate aims to emulate https://github.com/google/sentencepiece Dart::DoubleArray struct and it's Normalizer. This crate is…24,724,733Apache-2.0 spmaUnsupervised anomaly detection for discrete event sequences via MDL-based grammar induction (SP Multiple Alignment)77MIT OR Apache-2.0AlgorithmsScience spma-cliCLI for spma — unsupervised anomaly detection for discrete event sequences11MIT OR Apache-2.0 spmcSimple SPMC channel1,869,221MIT OR Apache-2.0 spmc-loggerA single-producer multi-consumer persistent logger1,516MITAsynchronousConcurrency spmc-wakerA wait-free synchronization primitive for task wakeup.1,540MIT OR Apache-2.0ConcurrencyData structures spmc_bufferAn extension of triple buffering for multiple-consumer scenarios, useful for sharing frequently updated data between threads16,346MPL-2.0AlgorithmsAsynchronous spmc_ringThread-safe no_std ring buffer1,651BSD-3-ClauseConcurrencyEmbedded development spmcqA Rust library for a thread-safe single-producer, multiple-consumer bounded ring buffer (FIFO queue)2,023MIT spms_ringSingle publisher, multiple subscriber ring buffer for pubsub6,292BSD-3-ClauseConcurrencyEmbedded development spnA client for the Save Page Now 2 API4,288MIT OR Apache-2.0API bindings spn-cliThe Agentic AI Toolkit - unified CLI for models, secrets, MCP servers, workflows, and AI agents302AGPL-3.0-or-laterCommand line utilitiesDevelopment tools spn-clientClient library for communicating with the spn daemon - secure secret management for AI applications2,371AGPL-3.0-or-laterAuthenticationDevelopment tools spn-coreCore types, provider definitions, model registry, and validation for SuperNovae ecosystem2,527AGPL-3.0-or-laterConfigurationData structures spn-keyringOS keychain wrapper for SuperNovae CLI268MIT OR Apache-2.0AuthenticationCryptography spn-mcpDynamic REST-to-MCP wrapper - expose REST APIs as MCP tools157AGPL-3.0-or-laterDevelopment toolsWeb programming spn-nativeNative model inference and storage for SuperNovae ecosystem153AGPL-3.0-or-laterFilesystemScience spn-ollamaOllama backend for SuperNovae model management237MIT OR Apache-2.0API bindingsAsynchronous spn-providersLLM provider abstraction layer for SuperNovae20MIT OR Apache-2.0API bindingsAsynchronous spnav-rsRust async client library for 6DOF input devices (spacenav/spacenavd)38BSD-3-ClauseAPI bindingsHardware support spngRust bindings to libspng49,285MIT OR Apache-2.0 spng-sysNative bindings to libspng50,609MIT OR Apache-2.0 spnlA Span Query is a declarative way to specify which portions of a generative AI (GenAI) program should be run directly on model…411Apache-2.0 spnl-coreCore IR types, simplify transforms, and capabilities for SPNL.305Apache-2.0 spnl-ffiPython FFI bindings for SPNL.72Apache-2.0 spnl-runExecution engine and backend dispatch for SPNL queries.140Apache-2.0 spnr-libRust library for building smart contracts on the Internet Computer, by the Spinner.Cash team.12,445GPL-3.0Data structuresNo standard library spo-heliusHelius APIs289AGPL-3.0-only spo-postgrestPostgREST client-side library (forked)1,954Apache-2.0 OR MITDevelopment tools spo-rhaiEmbedded scripting for Rust3,054MIT OR Apache-2.0Embedded developmentNo standard library spo-rhai_codegenProcedural macros support package for Rhai, a scripting language and engine for Rust2,049MIT OR Apache-2.0Embedded developmentNo standard library spoaA rust wrapper around the spoa C++ SIMD partial order alignment library.4,212MIT spoa-sysLow-level bindings to the spoa C++ library.4,674MIT spoa_rsRust bindings for SPOA (SIMD POA)663BSD-3-ClauseAlgorithmsScience spoarsFaithful native-Rust reimplementation of the spoa partial order alignment library103MITAlgorithmsScience spockTODO918MIT spodermanA screen capture utility allowing you to draw, highlight and zoom.1,467MITCommand line utilities spodes-rsA pure-Rust DLMS/COSEM stack: interface classes, transport, xDLMS services and security (IEC 62056 and the СТО 34.01-5.1-006-2023…131GPL-3.0-or-laterEncodingNetwork programming spodjfySpotify client for DJs with extended playlists, tracks metadata and organization support1,695MIT OR Apache-2.0Multimedia::Audio spofrA network spoofing tool for educational purposes (ARP and DHCP).127MITCommand line utilitiesNetwork programming spofy-cliA command-line interface for Spofy.1,599MPL-2.0 spofy-coreThe core backend for the Spofy client.2,292AGPL-3.0-or-later spoifya spotify client inside your terminal18,499MITCommand line utilities spoilerowobotA Telegram spoiler creation bot2,773MIT spoke[coming soon] Simplified unit testing for Rust.102MIT spokesA network and network flow library.1,882MITMathematics spolyfySpotify module for Polybar4,946MIT OR Apache-2.0 spongbobcliA blazingly fast cli tool to watch your favorite spongbob episodes1,560MIT OR Apache-2.0Command line utilities spongeA powerful Rust module to convert Rust to ASM2,387MIT sponge-cursorCursor for sponge-based absorption and squeezing1,522,557MIT OR Apache-2.0CryptographyNo standard library sponge-hash-aes256A sponge-based secure hash function that uses AES-256 as its internal PRF24,6400BSDAlgorithmsCryptography sponge-previewsponge trait preview5,577MIT sponge_stringSpOnGe StRiNg In RuSt3,063MIT spongebobA utility to convert text to spongebob case a.k.a tHe MoCkInG sPoNgEbOb MeMe.8,760MITCommand line utilitiesText processing spongebobizerCommand-line utility that outputs its stdin, converted to 'sPonGeBoB cAsE', and a library to support it6,558MIT spongecrabBringing powerful argument parsing to bash scripts2,051Unlicense spongedownConverts markdown to html with svgbob support30,186MIT spongefishAn implementation of the Fiat--Shamir transformation from Duplex Sponges.9,464MIT OR Apache-2.0 spongefish-circuitCircuits for proving relations over spongefish transcripts671MIT OR Apache-2.0 spongefish-deriveDerive macros for the spongefish Fiat-Shamir library3,752MIT OR Apache-2.0 spongefish-powProof-of-work challenge grinding for spongefish Fiat-Shamir transcripts304MIT OR Apache-2.0 spongemockA library and CLI-tool for random text capitalization5,117AGPL-3.0-or-later spongmockMoCkInG SpOnGeBoB SqUaRePaNtS TeXt gEnErAtOr13,301MIT OR Apache-2.0Command line utilities sponsor-blockA Rust wrapper for the SponsorBlock API.7,957MIT OR Apache-2.0API bindings spoo-meBindings for accessing spoo.me api926Apache-2.0 spookFile watcher geared towards automatic HTML generation and autoreload.4,156MIT/Apache-2.0Command line utilitiesDevelopment tools spooksSpook in Rust.13,179MIT spookyA small tool for rsyncing something to a remote destination and then executing something there, like a build script for example4,162MIT spooky-season👻 SPOOKY! 👻🎃👻2,886MIT spooky_chessChess board game engine264MIT spooky_connect4Connect4 board game engine147MIT spooky_goGo board game engine166MIT spoolGit-native, event-sourced task management357MITCommand line utilitiesDevelopment tools spool-cliCLI for spool - git-native task management65MITCommand line utilitiesDevelopment tools spool-memoryLocal-first developer memory system — persistent, structured knowledge for AI coding tools87MIT OR Apache-2.0Command line utilitiesDevelopment tools spool-uiTUI for spool - git-native task management62MITCommand line utilitiesDevelopment tools spooles_ffiSpooles C library FFI.3,177MIT OR Apache-2.0 spoolqA durable queue backed by filesystem storage11,175Apache-2.0 spoolsContent scraping library for Instagram's Threads11,547LGPL-3.0-or-later spoonA small example package1,503Apache-2.0 OR MIT spoonsI like rusty spoons1,544MIT OR Apache-2.0 spoor-cliCLI adapter for the spoor document parsing engine399MITCommand line utilitiesText processing spoor-coreDeterministic, embeddable document parsing engine for LLM-friendly output490MITParser implementationsText processing spopLibrary for parsing HAProxy SPOP (Stream Processing Offload Protocol)22,352BSD-3-ClauseNetwork programming spoqeReserved23MIT OR Apache-2.0 spoqe-cliReserved23MIT OR Apache-2.0 sporAnchored metadata2,988non-standard sporaA small utility crate that currently provides basic arithmetic helpers.21MIT OR Apache-2.0Mathematics sporeComing soon...1,761non-standard spore-disassemblerUEFI Bytecode Disassembler3,033ZlibCompilers spore-editorVirtual machine for the Spore interpretted language.1,064MIT spore-langspore language21MIT OR Apache-2.0 spore-rsSpore-RS39MIT spore-sdkSDK34MIT spore-typesSpore Protocol types serilization/deserilize utilities (based on molecule)4,725MIT spore-vmVirtual machine for the Spore interpretted language.3,112MIT sporectlCTL35MIT sporedbCTL36MIT sporeqlCTL36MIT sporesdkMoved to `spore-sdk` crate26MIT sporkSafe process fork.9,753MIT OR Apache-2.0 sporky-checkerSimple levenshtein spell checker app1,975Apache-2.0 sporseSparse vector index for learned sparse retrieval334MIT OR Apache-2.0AlgorithmsData structures