All 305,250 crates, alphabetically

sickleA robust Rust parser for CCL (Categorical Configuration Language) with Serde support5,248MITConfigurationParser implementations sickle_macrosMacros for sickle_ui14,541MIT OR Apache-2.0 sickle_mathMath dependencies for sickle_ui14,561MIT OR Apache-2.0 sickle_uiA widget library built for Bevy, in Bevy.15,423MIT OR Apache-2.0GUI sickle_ui_scaffoldScaffolding framework for sickle_ui14,234MIT OR Apache-2.0 sickOSYes... Ha Ha Ha... Yes!, might one day be an OS. email me if you want the crates.io name1,621MPL-2.0 siclibrsA Rust/C++ general use library.1,568MIT sicompass-sdkSicompass provider SDK — FFON types, Provider trait, tag parsing, platform utils157GPL-3.0-onlyAPI bindings sicompilerA basic compiler for SiCoMe programs5,183MIT OR Apache-2.0 sicpSICP in rust.1,464GPL-3.0 sicpgenA simple CLI tool for generating exercise templates for SICP3,095MIT sicxeYet another SIC/XE assembler.2,144AGPL-3.0 sicxe-cliYet another SIC/XE assembler. The CLI version.1,824AGPL-3.0 sidSimple Id. Tiny crate providing strongly typed ids and an id-based vector.1,205,914MIT/Apache-2.0 sid-cliA command line tool for generating sids and converting to/from UUIDs.2,671MIT sid-encodeUse the `sid2` crate. Internal crate for encoding/decoding sid strings.6,820MIT sid-isnt-donesid is a UNIX-inspired coding agent for Anthropic-compatible APIs145Apache-2.0Command line utilitiesDevelopment tools sid2Id schema that is: 128-bit (uuid compatible); sorted (won't explode database indexes); random (gen anywhere); readable (has…10,104MIT sid_fileParser for SID file format used for SID tunes842non-standard sid_vecTiny library providing id types and an id-based vector.11,361MIT/Apache-2.0 sidan-csl-rsWrapper around the cardano-serialization-lib for easier transaction building, heavily inspired by cardano-cli APIs114,703Apache-2.0 sidccsidcc is a fork of neomutt in Rust, adapted to control the `sid-isnt-done` (sid) coding agent.18GPL-2.0 sidd-rsCrate to interact with SIDD files.28MIT OR Apache-2.0 siddharth_artA library for art1,277MIT sidePlaceholder - experiments around algebraic effects1,514Apache-2.0 OR MIT side-by-side-diffCreate side-by-side diff text.5,531MIT side-futuresSend future for execution on the runtime that may be in a different thread13,2600BSD side-huddleDetect meetings locally and capture audio as WAV54MITMultimedia::AudioOperating systems::macOS APIs side-macroPlaceholder - experiments around algebraic effects1,505Apache-2.0 OR MIT side-protoRust Client for Side Chain14,447MIT OR Apache-2.0 sideagentRun another coding agent from your current session131MIT sidebar🗃️ A highly customizable sidebar component for WASM frameworks like Yew, Dioxus, and Leptos.953MITGUIWebAssembly sidebyside-claudeClaude integration with deterministic replay for Sidebyside106MIT OR Apache-2.0 sidebyside-cliCommand-line interface for Sidebyside SDK25MIT OR Apache-2.0 sidebyside-coreCore domain types for Sidebyside SDK620MIT OR Apache-2.0 sidebyside-displayPlan visualization and progress display for Sidebyside108MIT OR Apache-2.0 sidebyside-executorPlan execution abstraction with local and Temporal backends190MIT OR Apache-2.0 sidebyside-planPlan builder, validation, and serialization for Sidebyside341MIT OR Apache-2.0 sidebyside-providersGitHub and Atlantis provider integrations for Sidebyside107MIT OR Apache-2.0 sidebyside-temporalTemporal SDK wrapper for Sidebyside188MIT OR Apache-2.0 sidebyside-tuiTerminal user interface for Sidebyside plan visualization and execution108MIT OR Apache-2.0 sidecarSidecar jupyter outputs6,121BSD-3-Clause sidecastDynamic cast between trait objects.406MIT OR Apache-2.0 sidecheckRemote timing side-channel auditor for your own HTTP services15MITCommand line utilitiesCryptography sidecheck-coreRemote timing side-channel auditor for your own HTTP services19MITCommand line utilitiesCryptography sidednsSideDNS — local DNS routing for developers20MITCommand line utilities sidedns-cliSideDNS — local DNS routing for developers33MITCommand line utilities sidedns-coreSideDNS — local DNS routing for developers47MITCommand line utilities sidefuzzFuzzer to automatically find side-channel (timing) vulnerabilities5,647MIT OR Apache-2.0CryptographyDevelopment tools::Testing sidekickKeeps Neovim and your AI coding agents on the same page.584MITCommand line utilitiesDevelopment tools sidekiqRust Sidekiq Client332,927MIT sidekiq-rsSidekiq compatible server in Rust48,384MIT sideko_hacker_newsRust API bindings - ssideko_hacker_news2,690MIT sideko_postman_apiRust API bindings - spostman_api1,606MIT sideko_rest_apiRust API Client41,209MIT sidemash-sdkOfficial SDK for Sidemash Cloud in Rust4,068Apache-2.0 sidequestA TODO list with a twist1,346Apache-2.0 sidequeueA rust queue born for scheduling jobs1,699non-standard siderA Multithreaded Redis clone written from scratch in Rust.7,588MIT sideraA no_std, integer-only, cycle-accurate SID (MOS 6581/8580) emulator for the Commodore 64291MITEmulatorsMultimedia::Audio sidereonThin ergonomic API over sidereon-core: SP3 loading and SPP/RTK/PPP positioning solves with rich result structs and one error enum1,920MITScienceSimulation sidereon-coreNumerical astrodynamics propagation core plus the GNSS domain layer (SP3, broadcast ephemeris, multi-GNSS positioning, RTK/PPP,…2,240MITScienceSimulation siderigA native developer environment manager - orchestrating processes, containers, and devtools.23MITDevelopment tools sideriteMeteor DDP client library4,202MIT OR Apache-2.0 siderophileFind the ideal fuzz targets in a Rust codebase9,533AGPL-3.0 siderunnerA library for execution of .side files produced by Selenium IDE2,884MPL-2.0Development tools::Testing siderustHigh-precision astronomy and satellite mechanics in Rust.3,490AGPL-3.0-onlyAerospaceScience siderust-archiveReusable Rust bindings for the Siderust Archive: manifests, checksums, provenance, and runtime download of scientific datasets…1,816BSD-3-ClauseAerospaceParser implementations siderust-ffiC FFI bindings for siderust, high-precision astronomy library.63AGPL-3.0-only sideseatAI Development Workbench — Debug, trace, and understand your AI agents26MITDevelopment tools::DebuggingDevelopment tools::Profiling sideshowPicture display library for the InkyFrame series of Raspberry PiPico(W) combo boards.30MITEmbedded developmentMultimedia::Images sidetreeTUI file tree for usage with terminal text editors18,672MIT sidetree-clientClient library for managing DID operations for Sidetree API services4,154Apache-2.0 sidevmFramework to help developing phala sidevm program13,968Apache-2.0 sidevm-envThe low level protocol between sidevm guest and host16,890Apache-2.0 sidevm-host-runtimeThe runtime that runs Phat SideVM instance6,505Apache-2.0 sidevm-loggerA logger works in sidevm guest program8,649Apache-2.0 sidevm-macroMacros for writing phat contract sidevm program16,406Apache-2.0 sidewayA better wrapper for using RDMA programming APIs in Rust flavor17,653MPL-2.0 sidewaysObservability from the side - Datadog tracing and StatsD metrics for Rust services656Apache-2.0 OR MITDevelopment tools::DebuggingDevelopment tools::Profiling sideways-otelObservability from the side - vendor-neutral OpenTelemetry tracing, metrics, and logs for Rust services135Apache-2.0 OR MITDevelopment tools::DebuggingDevelopment tools::Profiling sidewinderRust path tracer.1,928MIT OR Apache-2.0MultimediaRendering sidexA format- and language-agnostic data structure and API definition language.2,260MIT sidex-cliCommand line interface for Sidex.1,558MIT sidex-coreCore implementation of Sidex.2,871MIT sidhAn efficient supersingular isogeny-based cryptography library.9,134MITCryptographyNo standard library sidlite-sysFFI bindings to SIDLite — a lightweight MOS 6581/8580 (SID) chip emulator from libsidplayfp279GPL-2.0-or-laterEmulatorsMultimedia::Audio sidmDEPRECATED: renamed to rsdm. This crate only re-exports rsdm and is no longer maintained.108MIT OR Apache-2.0 sidoExecute commands for every URL in a sitemap463MITCommand line utilities sidocGenerate structured/scoped indented documents.5,3670BSDTemplate engine sidoc-html5Helper functions for generating HTML5 documents for sidoc.3,2140BSDTemplate engineWeb programming sidplayfp-sysFFI bindings to libsidplayfp — cycle-accurate C64/SID emulation with SID write capture325GPL-2.0-or-laterEmulatorsMultimedia::Audio sidra_hello_librarymeri libary1,723MIT sidsAn actor-model concurrency framework providing abstraction over async and blocking actors.4,430Apache-2.0AsynchronousConcurrency sidxparse ISOBMFF sidx box2,915MIT sieSony Interactive Entertainment1,479non-standard sie-lspLanguage server and CLI for the SIE 4B bookkeeping file format18MIT OR Apache-2.0 sie-parserParser, encoder, and typed document model for SIE 4B bookkeeping files89MITFinanceParser implementations sie4SIE4 parser2,722MITParser implementations siecsRust bindings for SIECS72MITData structuresGame development siecs_deriveDerive macros for siecs73MITDevelopment tools::Procedural macro helpers siegeRender pixel art siege engines5,860non-standardGame enginesRendering siege-colorColor management library for the Siege Engine1,950MIT siege-editorPixel art siege engine editor/animator/creator4,873non-standardGame enginesRendering siege-mathMath library for the Siege Engine4,355MIT siegelProtected memory management for one-time use secrets.1,104MIT siegel-uniffiUniFFI bindings for Siegel. Enables sharing memory-protected secrets between foreign code and Rust.1,062MIT sienaSiena is data provider agnostic ORM.26,698MITDatabase interfacesFilesystem siennaTCP listeners1,547MIT sieraSiera is a toolkit that allows you to interact with a Hyperledger Aries Cloud agent.2,741Apache-2.0 siera-afj-restHyperledger Aries Framework JavaScript Rest controller.3,450Apache-2.0 siera-agentStructures and traits related to an Aries agent.5,179Apache-2.0 siera-automationsAutomations written for an Aries Cloudagent Python agent.3,493Apache-2.0 siera-cloudagent-pythonHyperledger Aries Cloudagent Python controller.4,040Apache-2.0 siera-loggerLogger for Siera.5,186Apache-2.0 sierpSimple program that prints out the Sierpiński triangle in the terminal.2,693MIT sierraVulkan-lite graphics API14,951MIT OR Apache-2.0Rendering::Graphics APIs sierra-compileCompiler executable for the Sierra intermediate representation84,142non-standard sierra-emuA Cairo (Sierra) Virtual Machine.3,982Apache-2.0 sierra-procProcedural macros for 'sierra' crate8,776MIT OR Apache-2.0 sierra-proc-demoDemonstrates sierra's code generation abilities2,866MIT OR Apache-2.0 sierra-vmLibrary crate for the SierraVM781MIT sierra_libsSome ease of use functions and libraries for writing rust programs1,634GPL-3.0 sierradbCore SierraDB event store library - embeddable high-performance event sourcing database1,183Apache-2.0Database implementationsDevelopment tools sierradb-clientSierraDB Rust client - type-safe client library for SierraDB event store1,978Apache-2.0Database implementationsDevelopment tools sierradb-clusterSierraDB cluster coordination and distributed consensus components500Apache-2.0Database implementationsDevelopment tools sierradb-protocolShared protocol types and utilities for SierraDB2,382Apache-2.0Database implementationsDevelopment tools sierradb-serverSierraDB server - distributed event store server with Redis RESP3 protocol331Apache-2.0Database implementationsDevelopment tools sierradb-topologySierraDB network topology management and peer discovery650Apache-2.0Database implementationsDevelopment tools siestamy local package15,394MIT sieveFast segmented sieve of Erasthotenes implemented in Rust2,070BSD-3-ClauseAlgorithmsScience sieve-cacheSIEVE cache replacement policy with thread-safe wrappers164,901MITAlgorithmsCaching sieve-formSieve email filter language (RFC 5228 + RFC 5229) on a uniform form representation55MITEmailParser implementations sieve-generatorSieve filter generator4,073MIT sieve-of-eratosthenesA standard implementation of the Sieve of Eratosthenes42Unlicense sieve-parserParsing the Sieve language and exporting an abstract representation2,808AGPL-3.0-or-laterEmailParsing tools sieve-rsSieve filter interpreter for Rust42,930AGPL-3.0-onlyCompilersEmail sieve2workersConvert a Sieve program into a Cloudflare Workers for Cloudflare Email Routing.3,919MIT sievingHide your sensitive data2,840GPL-3.0Command line utilities sifSmall but convenient parameterized testing attribute macro for Rust2,718MIT OR Apache-2.0Development toolsDevelopment tools::Testing sif-embeddingSmooth inverse frequency (SIF), a simple but powerful embedding technique for sentences16,401MIT OR Apache-2.0AlgorithmsScience sif-itreesimple, immutable, flat interval tree1,647,969MIT OR Apache-2.0Data structuresDate and time sif-kdtreesimple, immutable, flat k-d tree14,654MIT OR Apache-2.0Data structuresScience::Geospatial sif-parserComplete implementation of the Structured Interchange Format (SIF) — parser, emitter, streaming protocol, packed binary encoding,…247MITData structuresEncoding sif-rsParser for the Standard Input Format (SIF) used in mathematical optimization103MITMathematicsParser implementations sif-rtreesimple, immutable, flat R-tree30,387MIT OR Apache-2.0Data structuresScience::Geospatial sif_macroPart of Sif: attribute macro for parameterized tests3,417MIT OR Apache-2.0Development toolsDevelopment tools::Testing sifeA tool1,515MIT sifedA tool1,555MIT siferA tool1,504MIT siffFile browser with repomix and yek as supported parsing backends584MITCommand line utilitiesDevelopment tools siffraA library to parse and evaluate human-friendly mathematical and natural language expressions.1,611MITMathematics sifisSIFIS-Home Web of Things (WoT) Servients1,575MIT sifis-generateGenerate a new project for some build systems with the use of templates. <renamed to ci-generate>14,968MIT sifis-tdSIFIS-Home extension to the Web of Things (WoT) Thing Description1,615MIT sifive-coreLow level access to SiFive RISC-V processor cores4,154MulanPSL-2.0Embedded developmentHardware support sifive-fe310-g002Interface for peripherals on the SiFive FE310-G002 cpu7,970MIT OR Apache-2.0Embedded developmentHardware support sifive-test-deviceProvide definition of SiFive test device.9,193MulanPSL-2.0 OR MITEmbedded developmentHardware support sifli-flash-tableFlash table generater CLI for SiFli MCUs457Apache-2.0Embedded developmentHardware support sifli-halHardware Abstraction Layer (HAL) for SiFli MCUs2,253Apache-2.0Embedded developmentHardware support sifli-pacPeripheral Access Crate (PAC) for SiFli MCUs2,679Apache-2.0Embedded developmentHardware support sifli_sdk_wrappersdk.py.exe, wrapper tool to invoke sdk.py on Windows1,291Apache-2.0 sifraireserved for upcoming release1,654GPL-3.0 sifredbField-level encryption library with envelope encryption and blind indexes344Apache-2.0 OR MITCryptographyDatabase interfaces sifredb-cliCLI tool for SifreDB key management86Apache-2.0 OR MITCommand line utilitiesCryptography sifredb-deriveDerive macros for sifredb86Apache-2.0 OR MITCryptographyRust patterns sifredb-key-fileFile-based key provider for SifreDB85Apache-2.0 OR MITCryptography sifsSIFS Is Fast Search: instant local code search for agents152MITCommand line utilitiesDevelopment tools siftsift filters (big) files.2,182GPL-3.0 sift-cliStrip noise from error output. Powered by a local LLM.23MITCommand line utilitiesDevelopment tools sift-coreIndexed regex search over codebases (library + grep-like CLI)183MIT OR Apache-2.0Command line utilitiesDevelopment tools sift-featuresImplementation of SIFT image features, compatible with OpenCV2,479MITComputer visionScience sift-grepGrep-like CLI for sift-core91MIT OR Apache-2.0Command line utilitiesDevelopment tools sift-hookCompanion hook binary for sift — records AI-agent file writes into the sift snapshot ledger.38MIT OR Apache-2.0Command line utilitiesDevelopment tools sift-queueQueue CLI and queue-native task/review substrate211MIT sift-renderTerminal-UI rendering library for sift, the per-turn snapshot oracle for AI-agent file writes.61MIT OR Apache-2.0Command-line interface sift-searchSift — a DSL for agents to search codebases in faster, deeper, and more sophisticated ways26MITCommand line utilitiesDevelopment tools sift-traitSift a value out of another6,737CC0-1.0 sift-tuiPer-turn snapshot oracle for your AI agent's file world — capture and revert agent file writes by conversation turn. Installs the…37MIT OR Apache-2.0Command line utilitiesDevelopment tools sift-wgpuHigh-performance SIFT (Scale-Invariant Feature Transform) implementation in Rust with CPU and WebGPU backends.1,225MITComputer visionMultimedia::Images sift4This crate provides the sift4 string distance algorithm. It is very fast and returns results similar to levenshtein8,652MITAlgorithmsText processing sift_connectA convenient and opinionated way to connect to the Sift API72,424MITAerospaceScience::Robotics sift_errorCrate-specific Sift errors73,225MITAerospaceScience::Robotics sift_pbfsPBFS (Protobuf File Stream) format for reading and writing protobuf messages to disk60,149MITAerospaceScience::Robotics sift_rsGeneral Rust client library for the Sift API76,781MITAerospaceScience::Robotics sift_scienceA rust Sift Science client18,549MIT OR Apache-2.0 sift_streamA robust Sift telemetry streaming library69,969MITAerospaceScience::Robotics siftcoreCore snapshot-ledger library for sift — content-addressed per-turn capture of AI-agent file writes.98MIT OR Apache-2.0Development tools siftdb-cliCommand-line interface for SiftDB - the high-performance grep-native database650MITCommand line utilitiesDatabase interfaces siftdb-coreHigh-performance grep-native database for code and text collections with regex support1,112MITCommand line utilitiesDatabase interfaces sifterA command-line tool for listing and filtering running processes18BSD-2-ClauseCommand line utilities sigffi library of signal(2) and kill(2)1,219,701MIT OR Apache-2.0 sig-bitmapInterpret Signal Bitmaps for a Process11,288MITCommand line utilities sig-netSig-Net secure CoAP-based DMX512 lighting control protocol library114MITCryptographyEncoding sig-proxySignature-Based (Web3) Authenticating Proxy14,092MIT sig-rsThis library implements signals and slots in Rust. See the examples.3,379MIT/Apache-2.0 sig_cacheContent-addressed caching for deterministic backtesting in sigc348MITCommand line utilitiesDevelopment tools sig_compilerParser and compiler for the sigc quantitative finance DSL271MITCommand line utilitiesDevelopment tools sig_fig_histogramsig_fig_histogram provides a histogram type that is exponentially distributed and human-friendly.23,320Apache-2.0 sig_lspLanguage Server Protocol implementation for the sigc DSL23MITCommand line utilitiesDevelopment tools