All 305,250 crates, alphabetically

schemaui-cliCLI wrapper for schemaui, rendering JSON Schemas as TUIs710MIT OR Apache-2.0Command-line interfaceConfiguration schemeA Scheme interpreter853MIT OR Apache-2.0 scheme-editLossless Scheme S-expression parser and editor (toml_edit-style CST)40MIT OR Apache-2.0Parser implementations scheme-ffiFFI bindings to a minimal C s-expression parser21WTFPLParsing tools scheme-rsEmbedded scheme for the Rust ecosystem1,293MPL-2.0 scheme-rs-macrosEmbedded scheme for the async-rust ecosystem (macros)2,206MPL-2.0 scheme4rScheme interpreter for rust1,594MITCompilersDevelopment tools schemeforgeFast, local CLI written in Rust for validating, inspecting, and converting CSV & JSON datasets using file-based schemas.29MIT OR Apache-2.0Command line utilities schemeguardianSecrets Authentication, Encryption and Verification Engine with Key-Value Store14,048Apache-2.0AuthenticationCryptography schemerA database schema migration library with DAG dependencies87,704MIT/Apache-2.0Database interfaces schemer-postgresPostgreSQL adapter for the Schemer database schema migration library4,622MIT/Apache-2.0Database interfaces schemer-rusqliteSQLite3 adapter for the Schemer database schema migration library86,719MIT/Apache-2.0Database interfaces schemerzA database schema migration library with DAG dependencies181,222MIT/Apache-2.0Database interfaces schemerz-postgresPostgreSQL adapter for the Schemerz database schema migration library1,930MIT/Apache-2.0Database interfaces schemerz-rusqliteSQLite3 adapter for the Schemerz database schema migration library185,375MIT OR Apache-2.0Database interfaces schemescache-aware recursion schemes in rust1,495MIT OR Apache-2.0 schemrA Rust CLI for MySQL schema dumping and diffing581MIT schemregAsync Confluent + AWS Glue schema registry client — wire format, traits, caching, HTTP1,069MIT OR Apache-2.0AsynchronousEncoding schemyGenerates Rust types from Schema.org JSON-LD vocabulary.1,182MIT schemy-tsGenerates TypeScript types from Schema.org JSON-LD vocabulary.620MIT schengenHelper library for building Synergy-compatible clients and servers63GPL-3.0-or-later scherben-mapConcurrent Sharded HashMap for Rust10,642MITAlgorithmsAsynchronous schermzA tool to generate a schema for a given JSON file.26,895MITCommand line utilities schetubeA library to fetch upcoming live streams from a YouTube channel.3,996MIT schevalA fast and *smart* command-line tool for JSON Schema validation, powered by the `jsonschema` crate.2,397MIT schiebungFast, memory-safe transform buffer for robotics96MITScience::Robotics schiebung-rerunRerun visualization for schiebung transforms44MITScience::RoboticsVisualization schindelrust min-shingle hashing1,658UnlicenseAlgorithmsText processing schipprerelease1,750Apache-2.0 schip8Interpreter backend for Chip-8 and Super-Chip2,000MITEmulators schipperkeprerelease1,715Apache-2.0 schistA search engine of curated links503AGPL-3.0-or-later schlandalsA tool for probabilistic inference by projected weighted model counting.3,757AGPL-3.0 schlusselCross-platform OAuth 2.0 with PKCE for CLI applications308MITAPI bindingsAuthentication schmSimplified HashMap implementation handling collision by separate chaining3,377MITData structures schmfySchmfication library7,229MIT OR Apache-2.0 schminputAn Action Based Input Manager for Bevy7,222MIT OR Apache-2.0 schminput_rebindingInput Rebinding for Schminput4,162MIT OR Apache-2.0 schmittDNS filter for build pipeline supply chain protection18MITCommand line utilitiesNetwork programming schmitttriggerA generic SchmittTrigger implementation1,522MIT schmoozerA simple abstraction over a retryable async operation, such as establishing a connection6,6050BSDNetwork programming schnapsen-rsSchnapsen implementation in Rust75,175MIT schnauzerLibrary for parsing Mach-O files35,545MIT OR Apache-2.0Command-line interfaceParsing tools schnauzer-deriveDerives for schnauzer library3,133MIT OR Apache-2.0 schnauzer_uiA DSL for browser based automated testing2,614MIT OR Apache-2.0 schneckelocal cache server1,593MIT schneewittchenSpieglein, Spieglein an der Wand: Wer ist die schönste im ganzen Land?969MIT OR Apache-2.0 schnellruA fast and flexible LRU map14,160,376MIT/Apache-2.0 schnorrSchnorr Signatures28,501Apache-2.0CryptographyNo standard library schnorr-evmschnorr signatures optimized for evm7,709Apache-2.0 OR MIT schnorr-musig2A Rust library for setup simple Schnorr Musig2 interaction.540MITCryptography schnorr-orchardSchnorr signatures using Orchard payment addresses774MIT schnorr-rsSchnorr Protocols2,144Apache-2.0Cryptography schnorr-signaturesMinimal Schnorr signatures crate hosting common code28,479MIT schnorr-signatures-mirrorMinimal Schnorr signatures crate hosting common code. Mirrored by sneurlax from serai for downstream crate-publishing purposes…3,268MIT schnorr_funBIP340 Schnorr signatures based on secp256kfun130,7660BSDCryptographyCryptography::Cryptocurrencies schnorr_pokSchnorr, Okamoto, Chaum-Pedersen protocols for proof of knowledge, equality and inequality of one or more discrete logs. Working…49,548Apache-2.0 schnorrkelSchnorr VRF, signatures, etc. using the Ristretto group16,745,407BSD-3-ClauseCryptographyNo standard library schnorrkel-purplecoinSchnorr VRF, signatures, etc. using the Ristretto group2,766BSD-3-ClauseCryptographyNo standard library schnose_gsiLibrary for working with CS:GO GSI10,166non-standard schobioSchobio: the thin Rust layer over the C schobi work-stealing scheduler — borrowing, panic-contained parallel maps with…9BSD-3-ClauseAPI bindingsConcurrency schoenbergThe MIDI Esoteric Programming Language501MITCommand line utilities schoenerdSchoener's D index calculator for niche overlap.1,472GPL-3.0-onlyCommand line utilitiesScience scholarA supervised machine learning library.10,263non-standard scholar_cliA command-line tool for accessing Google Scholar data using SerpApi1,629MITAPI bindingsCommand line utilities scholarly_identifiersLibrary of identifier types for scholarly metadata.2,279MIT scholiaThe RDF projection over a chartulary graph's semantic ring. Nodes with addresses and labels become RDF subjects with schema.org…25MIT OR Apache-2.0Data structuresEncoding school_libraryThis Rust library provides structures to manage school-related data, including students, classes, and schools.4,932MIT schoolmarmGBNF grammar-constrained decoding for LLM inference, ported from llama.cpp1,301MIT OR Apache-2.0Parsing toolsText processing schoolnooseschoolnoose5,141MIT Schoology-rsA Schoology Rest API Wrapper1,696Apache-2.0 schoolsoftA library for interacting with SchoolSofts mobile app API2,646GPL-3.0-only schrift-rsRust wrapper around the libschrift TrueType rendering library.1,668ISCAPI bindingsRendering schrodA custom (very opinionated) error handling package that traces errors through a call stack.29MIT schroedinger_boxA Rust container type modeled after Erwin Schrödinger’s famous thought experiment.6,185MIT/Apache-2.0 schroidnger_equationA simple and intuitive way to simulate the evolution of a quantum wave function as described by the Schrödinger equation.1,504MIT schubertSchubert calculus as a practical access control system — quantitative capability-based authorization119Apache-2.0AuthenticationData structures schubfachSchubfach algorithm for floating-point to string conversion4,615MITValue formatting schuko-coreTBD511MIT OR Apache-2.0 schul-cloud-apiLibrary providing an interface to talk to the schul.cloud api1,574Apache-2.0 schultzThe Schultz node - a handshake peer aware of its own identity1,757Apache-2.0 schuppecreate a GUI based on streams4,746MIT schwabUnofficial Rust client library for the Schwab API, unaffiliated with Schwab brokerage or thinkorswim976Apache-2.0API bindingsFinance schwab-api-clischwab-api-cli — agent-first CLI for Charles Schwab Trader API (experimental — use at your own risk)117MITCommand line utilitiesFinance schwab-api-cli-coreCharles Schwab Trader API client for schwab-api-cli (Accounts and Trading Production)111MITAPI bindingsFinance schwab-api-cli-market-dataCharles Schwab Market Data API client for schwab-api-cli (Production v1)101MITAPI bindingsFinance schwab-sdkAsync Rust client for the Charles Schwab Trader API and real-time market-data streaming.150MIT OR Apache-2.0API bindingsFinance schwab-traderEquity swing trading agent CLI for Charles Schwab (short/medium-term stocks, post-fill OCO, LLM advisor)75MITCommand line utilitiesFinance schwab_apiAn unofficial rust library for Schwab API5,873MITAPI bindings schwartzcargotestMy first published crate - total nonsense1,550Apache-2.0 schwarz-precondSchwarz domain decomposition preconditioner6,999MITAlgorithmsMathematics schwiftyA simple IBAN validation library inspired by Python's schwifty.11,906MIT/Apache-2.0 sciplaceholder for rust-sci2,097MIT sci-calcA fully-functional scientific calculator with command line interface.2,704MITCommand line utilities sci-creamLibrary that facilitates the mathematical analysis of ice cream mixes and their properties.100MIT OR Apache-2.0ScienceWebAssembly sci-find-peaksA Rust port of SciPy's find_peaks function, designed to match SciPy's behavior exactly.570MITAlgorithmsMathematics sci-fmtFormat values with PDG-style uncertainty notation.151MIT OR Apache-2.0 sci-formHigh-performance 3D molecular conformer generation using ETKDG distance geometry1,314MITAlgorithmsScience sci-form-cliCLI tool for high-performance 3D molecular conformer generation365MITCommand line utilitiesScience sci-gaussfilt-rsA Rust implementation of the 1D Gaussian filter matching SciPy's behavior.186MITAlgorithmsMathematics sci-rsRust scientific analysis library similar to SciPy266,078MIT OR Apache-2.0Embedded developmentMathematics sci-unitsA library for managing scientific units.41MIT sci-units-proc-macroProcedural macros for use with sci-units.161MIT sci_rustA scientific Rust library.2,165MIT sci_task_ioStandard File IO Interface for Scientific Calculation193MIT OR Apache-2.0Science sci_task_mgrA Universal Scientific Calculation Task Manager37MITScience scialgA collection of scientific algorithms3,920MIT scicalc-rsCrate for parsing and doing calculations with measurements, typically used in scientific contexts.2,802MIT scicdhA zero-dependency scientific library for probability space modeling and multi-variable statistical analysis.131MIT scicryptLightweight cryptographic building blocks for proof of concept implementations in multi-party computation16,512MIT scicrypt-bigintA scicrypt crate implementing *mostly* constant-time bigints for modular integers4,546MIT scicrypt-heA scicrypt crate implementing several well-known partially homomorphic (threshold) cryptosystems9,234MIT scicrypt-numbertheoryA scicrypt crate implementing number theoretic algorithms such as random (safe) prime generation10,155MIT scicrypt-traitsA scicrypt crate defining general traits for cryptographic systems and functionalities11,240MIT scidSCID in rust1,796MIT scid_parseExtract chess games from SCID databases279GPL-2.0-or-later scidataflowA command-line tool to manage scientific research project data.12,047MITCommand line utilitiesScience scidbPubMed query tool (Rust core)21MITDatabase interfacesScience scidecScientific number converter10,586MIT OR Apache-2.0Encoding scieScie is a research about how to build simple code identify engine for different languages.2,062MITText processing scie_modelScie is a research about how to build simple code identify engine for different languages.1,767MITCommand-line interfaceDevelopment tools scienceScientific computing (under dev)2,421MIT science-grid科学网格数据结构1,566BSD-3-Clause sciencecalc-rsA calculation toolkit or Library for mathematics, physics, and chemistry in Rust | Library rust Matematika, Fisika, Kimia -…652MITMathematicsScience sciencecalc-tuiA terminal calculator toolkit for mathematics, physics, and chemistry in Rust. | Kalkulator Matematika, Fisika, Kimia berbasis TUI1,112MITCommand line utilitiesMathematics sciencedA tool1,432MIT scienceobjectsdb_rust_apiThe Rust API build for the ScienceObjectsDB9,438non-standard sciencerA tool1,444MIT scientScient app.3,732MIT scientia-editora terminal text editor that doesn't suck45MITCommand line utilitiesText editors scientificArbitrary precision scientific number (no_std capable, in pure Rust)890,755MITMathematicsNo standard library scientific-calscientific cal1,837MIT OR Apache-2.0Science scientific-constantsAccess, use and create scientific constants in your codebase!2,729GPL-3.0-or-laterScience scientific-macroMacro for scientific, the arbitrary precision scientific number. Not intended to be used directly.872,800MITMathematicsNo standard library scientifictionA tool1,426MIT scientistMachine Learning Algorithms in Rust4,240MIT OR Apache-2.0 scientistoA light-weight Rust implementation of the github/scientist library used for careful refactoring of critical code paths.8,367MITRust patterns scies-mathA high-performance, dependency-free mathematical toolkit for Rust. Includes generic matrices, Quaternions, MCMC, ODE/PDE solvers,…118MITAlgorithmsMathematics scies-math-thA high-performance, dependency-free mathematical toolkit for Rust. Includes generic matrices, Quaternions, MCMC, ODE/PDE solvers,…38MITAlgorithmsMathematics scies-physicsA dependency-free physics toolkit for Rust.18MIT sciforgeScientific computing toolkit — mathematics, physics, chemistry, biology, astronomy, geology, meteorology.1,423MIT OR Apache-2.0MathematicsScience sciforge-aeronavalAir, space and water vehicles: planes, drones, rockets, boats, submarines. Shared technologies (radial engines, turbines, etc.).42MIT OR Apache-2.0 sciforge-automotiveLand vehicles: cars, motorcycles, trucks, buses, construction, military ground.42MIT OR Apache-2.0 sciforge-benchmarkBenchmarking engine, binary metrics codec, multi-format reports and exports.195MIT OR Apache-2.0 sciforge-componentsVehicle component definitions: body, powertrain, brakes, suspension, sounds, etc.87MIT OR Apache-2.0 sciforge-coreShared engineering primitives: materials, fasteners, fluids, propulsion taxonomies, std components.155MIT OR Apache-2.0 sciforge-heavyHeavy / industrial machinery: construction, mining, agriculture, port equipment.41MIT OR Apache-2.0 sciforge-hubCentral hub orchestrating Sciforge subsystems (api, engine, tools).177MIT OR Apache-2.0 sciforge-libScientific computing library — mathematics, physics, chemistry, biology, astronomy, geology, meteorology.195MIT OR Apache-2.0 sciforge-parserHand-written parsers and writers for CSV, HTML, JSON, Markdown, TOML, YAML.214MIT OR Apache-2.0 sciforge-railRail vehicles: passenger, freight, urban transit, intercity, special.18MIT OR Apache-2.0 sciformatsA library for reading scientific data formats.424MITParsing toolsScience sciformats_serde_jsonA JSON serialization file format501MIT OR Apache-2.0EncodingNo standard library scihub-rsAsync Sci-Hub client: search Google Scholar and fetch/download papers by DOI, PMID, or URL23MIT scihub-scraperScraps paper informations from sci-hub.12,606MIT scihub-scraper-cliCLI utility to scrap paper informations from sci-hub.6,585MIT sciimgBase support for planetary science image processing44,144MIT scilibA scientific library for the Rust programming language.71,186GPL-3.0MathematicsScience scilla-parserScilla smart contract parser written in Rust87,395MIT scimSCIM protocol bindings for Rust1,497MPL-2.0 scim-filterSCIM filter specification implemented in Rust235,818MITParsing tools scim-rsSCIM 2.0 types and helpers for Rust.73MITAuthenticationWeb programming scim-serverA comprehensive SCIM 2.0 server library for Rust with multi-tenant support and type-safe operations144,757MITAPI bindingsAuthentication scim_protoKanidm SCIM Protocol Bindings114,239MPL-2.0 scim_v2A crate that provides utilities for working with the System for Cross-domain Identity Management (SCIM) version 2.0 protocol.…46,852MIT scimanticCommand-line companion for the Scimantic scientific knowledge management platform20MITCommand line utilitiesScience scimathA scientific computing library. WIP3,711MIT scimeraA convenient re-export facade for the scim-rs SCIM 2.0 protocol engine.37MITAuthenticationData structures scindTree-sitter based semantic source-code chunking for Rust, Python, JavaScript, and TypeScript48Apache-2.0Development toolsParsing tools scinotationA library for representing numbers in scientific notation4,669MIT scintia-96A lightweight, keyed 96-bit permutation based on the Speck cipher, designed for unique ID derivation.109BSD-2-ClauseCryptographyEmbedded development scintilla-sysRaw bindings to Scintilla Text Editor component14,102MIT OR Apache-2.0 scioA resilient distributed repository for knowledge915MIT OR Apache-2.0 scioly-botA Discord bot for Science Olympiad, easily adaptable to other use cases.811MIT scionGame making library on top of wgpu, winit, hecs9,256MIT OR Apache-2.0 scion-connect-rpcConnect RPC client library over QUIC/HTTP3 via SCION22Apache-2.0 scion-h3-axumSCION SDK Axum HTTP/3 server19Apache-2.0 scion-protoSCION protocol data structures and serialization3,104Apache-2.0Network programming scion-protobufProtobuf definitions used in the SCION control plane3,506Apache-2.0Network programming scion-quicQUIC via SCION as transport33Apache-2.0 scion-sdk-address-managerAddress manager to allocate and manage SCION endhost addresses707Apache-2.0 scion-sdk-axum-connect-rpcConnect RPC library for axum based servers2,223Apache-2.0 scion-sdk-common-typesSCION endhost SDK common types789Apache-2.0 scion-sdk-edge-tunTunnel packets through a QUIC/SCION connection18Apache-2.0 scion-sdk-observabilitySCION endhost SDK observability utilities2,125Apache-2.0 scion-sdk-quic-scionQUIC via SCION as transport393Apache-2.0 scion-sdk-reqwest-connect-rpcConnect RPC client library for reqwest based clients2,177Apache-2.0 scion-sdk-scion-connect-rpcConnect RPC client library over QUIC/HTTP3 via SCION268Apache-2.0 scion-sdk-token-validatorSCION endhost SDK generic JWT validator2,159Apache-2.0 scion-sdk-trcSCION TRC manipulation library498Apache-2.0 scion-sdk-utilsSCION endhost SDK utilities2,225Apache-2.0 scion-stackSCION endhost network stack1,361Apache-2.0Network programming scion-trcSCION TRC manipulation library19Apache-2.0 scionmultiaddrmultiaddr fork with SCION support12,080MIT scionnetAn std::net fork with support for SCION addresses10,755MIT OR Apache-2.0 scipSCIP (pronunciation: "skip") is a language-agnostic protocol for indexing source code, which can be used to power code navigation…2,140,369Apache-2.0 scip-cliFast code intelligence via SCIP indexes46MIT scip-coverageReport source files left uncovered by every SCIP indexer, tallied by extension, to spot file types no indexer handles.17Apache-2.0 scip-perlSCIP (Source Code Intelligence Protocol) index generator for Perl3,552Apache-2.0 scip-shellGenerate SCIP code-intelligence indexes for shell scripts20MITDevelopment toolsParsing tools