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All 305,250 crates, alphabetically

Data as of 2026-07-25 (crates.io database dump, timestamp 2026-07-25T02:00:36Z). Source: crates.io · db-dump.tar.gz · methodology & corrections.

scdataHigh-performance Rust library for constructing sparse single-cell UMI count data with deterministic MatrixMarket export386MIT Data structures Science scdbA very simple and fast key-value store but persisting data to disk, with a 'localStorage-like' API.18,191non-standard Caching Database interfaces scdlangCore parser of Statecharts Description Languange6,866UPL-1.0 Parsing tools scdlang_smcatScdlang parser for targeting AST of state-machine-cat4,055UPL-1.0 Parser implementations scdlang_xstateScdlang parser for targeting JavaScript library XState5,401UPL-1.0 Parser implementations scdsu-cliunused86MIT scdsu-corecore library crate for steam-controler-dsu283MIT sceA library for importing and managing various single-cell matrices.10,806non-standard Command line utilities Science sceattaNo description provided.147non-standard scellA smart container for objects in recursive data structures3,295 scellerAn ECS crate written in Rust based on the tutorial series by Brooks Builds on Youtube.7,227MIT scema-agent-playgroundA terminal arena where multiple LLM agents converse, debate, and collaborate — with free/local backends (Ollama, Groq,…16MIT Command line utilities Visualization scemadex-mcpModel Context Protocol (MCP) server exposing the ScemaDEX agentic-liquidity rail — reputation, pool-score, advice, bonded…39MIT API bindings Command line utilities scemadex-sdkScemaDEX — an agentic liquidity layer: intent-based, RL-routed, x402-metered swap execution with bonded (slashable) fills and a…167MIT Cryptography::Cryptocurrencies scemadex-settleOpen devnet reference settler for ScemaDEX Conviction-Routing bonds: moves devnet USDC via real SPL transfers. Test/devnet only —…33MIT Cryptography::Cryptocurrencies scematica-aiAI agent layer for Scematica — risk scoring, strategy tuning, arb evaluation, reporting160MIT Cryptography::Cryptocurrencies Science scematica-arbCross-DEX arbitrage engine for Scematica — Raydium/Orca/Meteora/Jupiter graph search with atomic profit-or-revert execution…16MIT Cryptography::Cryptocurrencies scematica-coreCore types, traits, and shared utilities for Scematica — config, RPC, wallet, metrics, token helpers.229MIT Cryptography::Cryptocurrencies scematica-dashboardTerminal (ratatui) dashboard for the Scematica trading bot — live metrics, trades, NN, and an AI chat agent.101MIT Command line utilities Visualization scematica-executorDEX-specific swap instruction builders for Scematica — Raydium, Orca, Meteora, Jupiter.132MIT Cryptography::Cryptocurrencies scematica-nnPure-Rust Double/Dueling Deep Q* reinforcement-learning agent — no external ML framework dependency.146MIT Algorithms Science scematica-protocolScematica Protocol: Rust-native x402 HTTP 402 payment standard for Solana189MIT Cryptography::Cryptocurrencies Web programming::HTTP server scematica-sniperNew-pool sniper engine for Scematica — Raydium AMM V4 listener, filter pipeline, executor, risk breakers.101MIT Command line utilities Cryptography::Cryptocurrencies scematica-suiteScematica meta-crate — re-exports the full Solana sniper + cross-DEX arb + AI + Deep Q* + x402 + ScemaDEX stack, and ships a…56MIT Command line utilities Cryptography::Cryptocurrencies scenaA Rust-native scene-graph renderer with typed scene state, glTF assets, and explicit prepare/render lifecycles.553MIT OR Apache-2.0 Graphics Rendering scena-coreShared IDs, colors, errors, and traits for the Scena rendering library.17MIT OR Apache-2.0 scena-inputPlatform-agnostic input state types for Scena.17MIT OR Apache-2.0 scena-mathCustom no_std 3D math primitives for the Scena rendering library.22MIT OR Apache-2.0 scenarioDefine and test CLI behavior scenarios — input/output, interactive sessions, and terminal conditions (TTY, dimensions, color)129MIT Development tools::Testing scene-grapha fast scene-graph for games and animation8,356MIT OR Apache-2.0 Game development scene-viewerA gltf scene viewer based on the rend3 3D rendering engine.4,411MIT OR Apache-2.0 OR Zlib Game development Graphics scene_managerkrust's scene managing system1,801MIT OR Apache-2.0 scenedbscenedb23MIT scenekit-rsSafe Rust bindings for Apple's SceneKit framework — scenes, nodes, animations, particles, audio, views, techniques, and offline…137MIT OR Apache-2.0 API bindings Graphics scenesdetectScene/shot cut detection ported from PySceneDetect — Sans-I/O streaming API with SIMD-accelerated detectors for histogram, pHash,…400MIT OR Apache-2.0 scenevmA GPU-based layer renderer with configurable compute shaders for Eldiron.651MIT scenicPresentation tool that utilizes LaTex Beamer package.2,644GPL-3.0-or-later Command line utilities Text processing scenixFacade crate for the scenix Renderer APIs.416MIT OR Apache-2.0 scenix-animatoAnimato bridge and clip-based animation runtime for scenix scenes, cameras, materials, lights, morphs, and skeleton poses.366MIT OR Apache-2.0 scenix-cameraGPU-free camera, frustum, and controller types for scenix.629MIT OR Apache-2.0 scenix-coreShared IDs, colors, errors, and traits for the scenix rendering library.1,034MIT OR Apache-2.0 scenix-helpersCPU-side debug line helpers for scenix scenes, cameras, lights, and bounds.376MIT OR Apache-2.0 scenix-inputPlatform-agnostic input state types for scenix.745MIT OR Apache-2.0 scenix-lightGPU-free light types, shadow configuration, and light probes for scenix.603MIT OR Apache-2.0 scenix-loaderCPU-side asset loaders for glTF, OBJ, STL, image, KTX2, and HDR data.369MIT OR Apache-2.0 scenix-materialGPU-free material traits, pipeline keys, and built-in material types for scenix.595MIT OR Apache-2.0 scenix-mathCustom no_std 3D math primitives for the scenix rendering library.1,115MIT OR Apache-2.0 scenix-meshCPU-side geometry, mesh, primitive, morph, instancing, and batching types for scenix.610MIT OR Apache-2.0 scenix-postwgpu post-processing stack and full-screen effects for scenix.448MIT OR Apache-2.0 scenix-raycasterCPU-side BVH raycasting and scene picking for scenix.380MIT OR Apache-2.0 scenix-rendererwgpu renderer, GPU scene upload, passes, and frame orchestration for scenix.428MIT OR Apache-2.0 scenix-sceneGPU-free scene graph, nodes, transforms, fog, sprites, and LOD helpers for scenix.679MIT OR Apache-2.0 scenix-textureCPU-side texture data, samplers, atlases, and mipmap helpers for scenix.546MIT OR Apache-2.0 scenix-wasmBrowser/WASM renderer wrapper and DOM input helpers for scenix.331MIT OR Apache-2.0 scenoCore contracts for the scenograph projection engine: source references, coordinate spaces, footprints, persisted scores, and…51MIT OR Apache-2.0 Data structures Visualization scenographFacade for the scenograph projection-engine family: re-exports sceno (core), scenomise (choreography), and scenotime (runtime).31MIT OR Apache-2.0 GUI Visualization scenomiseChoreography for the scenograph projection engine: placement algorithms that realize persisted scores into arranged scenes.39MIT OR Apache-2.0 Algorithms Visualization scenotimeRuntime for the scenograph projection engine: stable scene epochs, revisions, idempotent diffs, and picking the instance under a…39MIT OR Apache-2.0 Caching Visualization scentienceRust client for the Scentience olfaction device API71Apache-2.0 API bindings Hardware support scepterComposable primitives for planet-scale time-series routing, indexing, and aggregation.80MIT OR Apache-2.0 Algorithms Data structures sceuaShuffled Complex Evolution - University of Arizona global optimizer18MIT OR Apache-2.0 Algorithms Science scfS configuration format1,6840BSD scf-coreSimple Configuration Facade311Apache-2.0 Configuration scfgAn scfg parser9,307MIT OR Apache-2.0 scfg-scannerScanner for the scfg configuration format1,289ISC scfmtA tool for formatting code with structured comments7,447MIT scfsA convenient splitting and concatenating filesystem.18,582WTFPL Filesystem scgfParser and encoder for SuperCollider's binary SynthDef (SCgf) format.240GPL-3.0-or-later scgiSimple SCGI parser26,551MIT OR Apache-2.0 scgsmA simple specification for managing game data7,586GPL-3.0 schabloneA command-line utility that creates projects from a Schablone (template).6,594MIT OR Apache-2.0 schachmattA chess library1,817MIT schafkopf-logicLogic and rules for the Schafkopf card game: deck, suits, ranks and game modes.61MIT Game development schalentierA cross-platform package and tool manager with configuration sync42MIT Command line utilities Development tools schamars-zodA few functions to aid Zod schema generation from rust types annotated with schemars3,304MIT schannelSchannel bindings for rust, allowing SSL/TLS (e.g. https) without openssl258,134,452MIT sched-callbackRust library for async callback scheduling3,818MIT sched-clockA timer for task scheduling5,036MPL-2.0 Asynchronous Concurrency sched-stressThread scheduler stress for libstress (capped)37MIT OR Apache-2.0 scheduleAn in-process scheduler for periodic jobs. Schedule lets you run Rust functions on a cron-like schedule.9,009MIT/Apache-2.0 schedule-flowsSchedule integration for flows.network17,407MIT/Apache-2.0 schedule-flows-macrosSchedule Integration macros for flows.network3,267MIT/Apache-2.0 schedule-mouse-clickA command line tool to schedule a mouse click at a specific time.1,241MIT Command line utilities schedule-rsA simple scheduling library inspired by Python's schedule.5,571MIT/Apache-2.0 schedule_recvCreate delayed and periodic Receivers43,886MIT scheduledA simple event scheduler6,797MIT scheduled-executorSingle and multi-threaded task scheduler30,578MIT Concurrency scheduled-task对tokio-cron-scheduler库的增强691MIT OR Apache-2.0 Development tools scheduled-task-macro对tokio-cron-scheduler库的增强678MIT OR Apache-2.0 Development tools scheduled-thread-poolA scheduled thread pool38,122,792MIT/Apache-2.0 Concurrency scheduled_channelA mpmc channel that allows specifying a timestamp for when a message is received226Apache-2.0 Concurrency Data structures scheduledexecREST service to execute series of command lines at specific moments of time1,503MIT OR Apache-2.0 Web programming::HTTP server scheduleoffWrapper around `pmset schedule` for easy near-term sleep and shutdown time setting.1,476MIT Command line utilities schedulerBinding to set the linux scheduler (priority, policy, affinity, &c.)108,788MIT scheduler-gpui-standaloneStandalone mirror of Zed's scheduler crate.409Apache-2.0 scheduler-gpui-unofficialUnofficial release of Zed's scheduler crate2,243Apache-2.0 schedulesA lightweight Rust library for managing operations across multiple time scales3,262MIT Concurrency Date and time schedulexL1 task-id registry + deterministic JobRunner (tick-driven; minimal cron)14MIT schedulingA simple job scheduler4,624MIT scheduling-apiaxum API for scheduling using a caldav server2,717MIT scheduling-rsScheduling algorithms in Rust — job scheduling, flow shop, branch and bound, priority rules, fleet scheduling21MIT OR Apache-2.0 schedwalkTest futures under all possible polling schedules1,552MIT schedxScheduler CLI for recurring jobs, agent prompts, and webhooks122MIT Command line utilities schellings_modelSchelling's model written in rust.6,068GPL-3.0-only Simulation schemaAccess the schema for a Rust item217,412Apache-2.0 Development tools::Procedural macro helpers Development tools::Testing schema-bridgeGenerate TypeScript type definitions from Rust types - perfect for Tauri applications435MIT OR Apache-2.0 Development tools Web programming schema-bridge-coreCore types and traits for schema-bridge - TypeScript type generation from Rust562MIT OR Apache-2.0 Development tools Web programming schema-bridge-macroProcedural macro for schema-bridge - derive TypeScript type definitions from Rust types561MIT OR Apache-2.0 Development tools Web programming schema-catalogTypes for the JSON Schema catalog format (schema-catalog.json)1,165Apache-2.0 Data structures No standard library schema-checkValidate JSON Schema files for absolute $id and registered $ref URLs19MIT OR Apache-2.0 Command line utilities Development tools schema-coerceCoerce LLM JSON values to a simple field-schema: string->int, bool, float; strip wrapper objects; fill defaults. Forgiving…18MIT OR Apache-2.0 Encoding Parsing tools schema-derivederive macro for the schema crate204,920Apache-2.0 Development tools::Procedural macro helpers Development tools::Testing schema-diagram-generatorA set of tools to manage relational database schemas17MIT OR Apache-2.0 schema-diffA set of tools to manage relational database schemas25MIT OR Apache-2.0 schema-embedEmbedded JSON Schemas for yah's TOML manifest types (camp/machine/mirror/provider/service/workload). Distributed inside the yah…22MIT OR Apache-2.0 schema-installerA set of tools to manage relational database schemas17MIT OR Apache-2.0 schema-migration-generatorA set of tools to manage relational database schemas16MIT OR Apache-2.0 schema-modelA set of tools to manage relational database schemas68MIT OR Apache-2.0 schema-orgRust types for Schema.org schemas2,461LGPL-3.0 schema-parserA set of tools to manage relational database schemas46MIT OR Apache-2.0 schema-registry-analyticsAnalytics engine for usage tracking, metrics collection, and reporting176Apache-2.0 Data structures Development tools schema-registry-apiREST API for a schema-registry14,575MIT OR Apache-2.0 schema-registry-cliCLI for a schema-registry5,243MIT OR Apache-2.0 schema-registry-clientSerialize/deserialize data to/from Kafka using the Confluent Schema Registry45,146Apache-2.0 Encoding Parsing tools schema-registry-compatibilitySchema compatibility checking with backward, forward, and full compatibility modes436Apache-2.0 Data structures Development tools schema-registry-coreCore types and traits for the LLM Schema Registry platform1,266Apache-2.0 API bindings Data structures schema-registry-lineageSchema lineage tracking with dependency graphs, impact analysis, and visualization177Apache-2.0 Data structures Development tools schema-registry-migrationSchema migration tools with multi-language code generation (Python, TypeScript, Java, Go, SQL)175Apache-2.0 Development tools Template engine schema-registry-observabilityObservability, metrics, tracing, and monitoring for the Schema Registry189Apache-2.0 Asynchronous Development tools schema-registry-securitySecurity, authentication, authorization, and SOC 2 compliance for LLM Schema Registry316Apache-2.0 Authentication Cryptography schema-registry-serverProduction-ready server for the LLM Schema Registry with gRPC and REST APIs37Apache-2.0 Development tools Web programming::HTTP server schema-registry-storageStorage backends for the LLM Schema Registry (PostgreSQL, S3, Redis)437Apache-2.0 Caching Database interfaces schema-registry-validationSchema validation engine supporting JSON Schema, Avro, Protobuf, and Thrift553Apache-2.0 Data structures Development tools schema-riskStop dangerous database migrations before they reach production76MIT Command line utilities Database interfaces schema-sql-generatorA set of tools to manage relational database schemas30MIT OR Apache-2.0 schema-syncProduction-grade schema synchronization for multi-tenant databases60MIT schema-xsdXSD schema definitions for the schema library XML formats60MIT OR Apache-2.0 schema2000Schema2000 is a crate derive a JSON schema from given JSON objects2,325MIT OR Apache-2.0 schema2000-cliSchema2000 is a tool that parses exsiting JSON documents and tries to derive a JSON schema from these documents.1,601MIT OR Apache-2.0 schema2codeGenerate Code in any language from a JSON Schema compliant document5,965MIT OR Apache-2.0 Development tools schema2structConvert a JSON schema into Rust structs for efficient and type-safe data management.2,706MIT Data structures schema_analysisAnalyze the schema of any self describing format9,962MIT OR Apache-2.0 schema_generatorThis crate is a part of the ClimateForest project, which takes place between 01.03.2024–28.02.2027. It is funded by Interreg…13,677MIT Data structures Parsing tools schema_guardSchema Guard: Relation Database (Schema) Management tool1,554MIT schema_guard_tokioSchema Guard: Relation Database (Schema) Management tool2,859MIT schema_jsonrsGenerate JSON Schemas from Rust code1,427MIT Encoding No standard library schema_jsonrs_deriveMacros for #[derive(JsonSchema)], for use with schema_jsonrs1,636MIT Encoding No standard library schema_org_constantsSchema.org schemas as Rust constants5,745MIT schema_org_traitsSchema.org schemas as Rust traits7,439MIT schema_org_typesSchema.org schemas as Rust types15,965MIT schema_oxidationProduce Rust data structures from JSON schemas.2,765BSD-3-Clause Data structures Encoding schema_registry_converterEncode/decode data from/to kafka using the Confluent Schema Registry6,127,471MIT/Apache-2.0 Encoding Parsing tools schema_registry_converter_sfIt is just a fork of the original schema_registry_converter crate with a fix for the avro serialization1,310MIT/Apache-2.0 Encoding Parsing tools schema_rsA crate to generate a schema from a file1,781MIT schema_to_emmyluaA tool to convert JSON schema to EmmyLua annotations.18,091MIT Development tools schema_to_gluaTooling for converting JSON Schema into GLua annotations.246MIT Development tools schemaboundSchemabound framework for distributed systems and agents49MIT OR Apache-2.0 Development tools schemabound-protoShared Protocol Buffer definitions for the Schemabound Framework92MIT OR Apache-2.0 Network programming schemabound-schemaProcedural macros for the Schemabound framework43MIT OR Apache-2.0 Development tools schemadbAptos schemadb17,447Apache-2.0 schemadocSchemadoc server and client1,431Apache-2.0 schemadoc-diffOpenApi diff library and breaking changes detector1,504Apache-2.0 schemadoc-diff-deriveTraits deriving for schemadoc-diff2,057Apache-2.0 schemafyGenerates serializeable Rust types from a json schema6,245,614MIT schemafy-cliCommand line application for generating Rust types from Json Schema3,772MIT schemafy_coreGenerates serializeable Rust types from a json schema9,216,263MIT schemafy_libGenerates serializeable Rust types from a json schema9,195,282MIT schemafy_snapshotSnapshot for bootstrapping the schemafy crate19,976MIT schemajenSchemaJen - Auto-magically infer language bindings given a JSON schema.2,635AGPL-3.0 schemalintStatic analysis tool for JSON Schema compatibility with LLM structured-output providers29MIT OR Apache-2.0 Command line utilities Development tools schemamamaA lightweight database schema migration system58,114MIT schemamama_postgresPostgreSQL adapter for the Schemamama migration system55,306MIT schemamama_rusqliteRusqlite SQLite3 adapter for the Schemamama migration system26,286MIT/Apache-2.0 schemanticsA cross-platform schema development toolset for JSON Schema 2020-12 and OpenAPI 3.223MIT Command line utilities Development tools schemaorgcodegen from schemaorg1,493MIT schemaorg-rsGenerated Rust types from Schema.org JSON-LD vocabulary.693MIT schemaorg-validateParse and validate Schema.org structured data (JSON-LD, Microdata, RDFa) against the official vocabulary and Google Rich Results…42MIT Encoding Parsing tools schemapinCryptographic schema integrity verification for AI tools - Rust implementation2,252MIT Authentication Cryptography schemarsGenerate JSON Schemas from Rust code356,634,955MIT Encoding No standard library schemars-zodA few functions to aid Zod schema generation from rust types annotated with schemars8,486MIT schemars_deriveMacros for #[derive(JsonSchema)], for use with schemars172,719,557MIT Encoding No standard library schemasA Rust library for working with Schema.org data8,676MIT schemaskSimple but powerful data schemas34ISC schemask_deriveSimple but powerful data schemas (derive macro crate)85ISC schemastoreFetch and match files against the SchemaStore catalog434Apache-2.0 Development tools schematA code formatter for Scheme, Lisp, and any S-expressions53,892Unlicense Command line utilities Development tools schemataAnalyse JSONL documents to infer schemas, detect type collisions, and emit Avro/JSON schemas23MIT schematchDeclarative schema checking command1,513MIT Command line utilities schematicA layered serde configuration and schema library.390,507MIT schematic-mesherGenerate 3D meshes from Minecraft schematics and block data69AGPL-3.0-only Game development Rendering schematic_macrosMacros for the schematic crate.364,945MIT schematic_typesShapes and types for defining schemas for Rust types.281,691MIT schematiqeReserved crate name for the schematiqe project.20MIT schematoDatabase migration management tool1,661MIT Command line utilities Database interfaces schematoolsTools for codegen, preprocessing and validation of json-schema and openapi spec53,828MIT schematools-cliTools for codegen, preprocessing and validation of json-schema and openapi spec11,648MIT schematterCommand-line validator for markdown document schemas.14Apache-2.0 schematter-libSchema validation for markdown documents: JSON Schema over frontmatter, plus a structural schema over the section and block tree.17Apache-2.0 schematter-validatorLow-level validation for schematter document schemas via domain objects: the parsed-document model, the schema compiler, and the…373Apache-2.0 schemauiA Rust library for generating TUI and Web UIs from JSON Schemas for configuration management.63,976MIT OR Apache-2.0 Command-line interface Configuration