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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.

scriptplan-lang-utilsLanguage utilities for Scriptplan languages3,604MIT scriptrFast, caching launcher for Cargo single‑file packages1,780MIT OR Apache-2.0 scriptrsRust transcription with native CoreML Parakeet v2 inference79Apache-2.0 scriptsA short description of your crate395MIT OR Apache-2.0 scripttyA PTY scripting engine for automating interactive terminal sessions25Apache-2.0Command line utilitiesDevelopment tools scriptureA robust command-line tool for managing, validating, and generating standardised Git commit messages.869MITCommand line utilities scriptxScriptX is a command line tool to extract scriptures out of the American Sign Language version of the New World Translation.25,378MITCommand line utilities scriptyScripty - your Rust command toolkit for easy command execution and file operations1,007MITCommand-line interfaceCommand line utilities scrivFast local CLI note manager with optional password encryption154GPL-3.0-onlyCommand line utilities scrivaRust gRPC client for ScrivaDB14MITAPI bindingsAsynchronous scrive-coreHeadless code-editor core: buffer, atomic multi-range transactions, undo/redo, selections, tracked-range decorations, and an…48MITData structuresText editors scrive-icediced 0.14 integration for scrive: an `advanced::Widget` code editor with gutter, selections, syntax highlighting, diagnostics,…41MITGUIText editors scrivenerRust library for reading and writing Scrivener 3 projects193MITParser implementationsText processing scrivener-mcpMCP server for Scrivener 3 projects — AI-powered writing assistant tools88MITCommand line utilitiesText processing scrivener-rtfPure Rust RTF parser and generator, optimized for Scrivener workflows248MITParser implementationsText processing scrivoA terminal-native, VSCode-like IDE built on an embedded Neovim (work in progress).12MIT OR Apache-2.0Command line utilitiesText editors scrobble-scrubberAutomated Last.fm scrobble monitoring and correction tool476MITMultimedia::Audio scrobbledRust bindings for the Last.fm API3,694MIT scrollA suite of powerful, extensible, generic, endian-aware Read/Write traits for byte buffers73,124,628MIT scroll-bufferExtra writable buffers for Scroll12,297MIT scroll-chatA secure terminal chat over SSH - host or join chatrooms with end-to-end encryption68MITCommand line utilitiesNetwork programming scroll-ringAn MPSC overwriting ring buffer tuned for character data scrollback41,362MIT OR Apache-2.0No standard library::No dynamic allocation scroll-rs🖱️ A headless, customizable scroll-to-target component for WASM frameworks like Yew, Dioxus, and Leptos.2,897MITScienceWeb programming scroll-ssgMagical Static Site Generator1,673MITCommand line utilities scroll_deriveA macros 1.1 derive implementation for Pread and Pwrite traits from the scroll crate65,213,650MIT scroll_phat_hdScroll Phat HD library.13,791MIT scrollcastA fast Rust CLI tool for converting Git repositories to beautifully formatted documents106MITCommand line utilitiesDevelopment tools scrolling_window_pattern_matcherA unified pattern matching library with optional context support and extractor-driven architecture for streaming data processing.3,799MIT OR Apache-2.0AlgorithmsParsing tools scrombleA no-nonsense single-file encryptor with data authentication3,870AGPL-3.0-or-later scronA cron expression parser and schedule explorer.10,635MIT scroogeA server that proxy HTTP requests and stream the responses in chunks of a specific size.1,768MIT scrooge-mcduckA Beancount parsing crate1,630Apache-2.0 OR MIT scrprBasic rust scraper and data selector1,068MIT scrtsA minimal CLI to store secrets using your OS native secret storage.137GPL-3.0-onlyAuthenticationCommand line utilities scru128SCRU128: Sortable, Clock and Random number-based Unique identifier90,242Apache-2.0Algorithms scru128-cliCLI frontend for the scru128 crate, a library for generating and parsing SCRU128 identifiers1,686Apache-2.0Command line utilities scru64SCRU64: Sortable, Clock-based, Realm-specifically Unique identifier22,007Apache-2.0 scrubRemove span information to improve error messages1,509MIT OR Apache-2.0Development tools scrub-cliRedact secrets and PII from text using gitleaks detection rules.37MIT scrub-dbManual database anonymization tool - Free version85MIT OR Apache-2.0Command line utilitiesDatabase interfaces scrub_logLog formatter with colors, file locations, program run duration.6,457MITDevelopment tools::Debugging scrubberproxy-wasm filter development framework1,180MIT OR Apache-2.0 scrubbersHigh-throughput redaction engine + CLI41Apache-2.0Command line utilitiesText processing scrubbyRemove or extract background taxa for metagenomic diagnostic applications3,672MITScience scrubcsvRemove bad lines from large CSV files and normalize the rest15,244MIT/Apache-2.0 scrubkitA modern, privacy-first metadata scrubber built with Rust.371MITCommand line utilities scrubkit-coreA modern, privacy-first metadata scrubber built with Rust.838MITCommand line utilities scrubrA fast tool for Anonimization.45MIT OR Apache-2.0 scruitnymy crate6,075UnlicenseDevelopment tools::Testing scrummageFight over OS process prioritisation3,870MIT OR Apache-2.0 OR ZlibConcurrencyOperating systems scrump-cliscrump CLI binary: scan and scrub capture artifacts for leaked secrets.156Apache-2.0 scrump-coreCore traits and types for the scrump secret scrubber.622Apache-2.0 scrump-detectDetection engine for scrump (regex + entropy).237Apache-2.0 scrump-format-coreELF core dump handler for scrump.310Apache-2.0 scrump-format-hprofJava HPROF heap dump handler for scrump.309Apache-2.0 scrump-format-jfrJava Flight Recorder handler for scrump.317Apache-2.0 scrump-format-nsysNVIDIA Nsight Systems / Compute (.nsys-rep / .ncu-rep) handler.219Apache-2.0 scrump-format-passthroughFallback format: treats any file as a single scannable chunk.315Apache-2.0 scrump-format-pcaptcpdump pcap + pcapng capture-file handler for scrump.210Apache-2.0 scrump-format-perfperf.data handler for scrump.315Apache-2.0 scrump-format-sqliteSQLite database handler for scrump.311Apache-2.0 scrump-format-tartar / tar.gz / tar.zst / zip recursive container handler.274Apache-2.0 scrump-rulesDefault ruleset and YAML loader for scrump detectors.215Apache-2.0 scrumpleA fast JavaScript bundler for Origami components4,322MITCommand line utilitiesDevelopment tools scrunchScrunch provides full-text-searching compression.11,598Apache-2.0 scrunchyScrunchy, an echo alt.823Apache-2.0 scrupyScrupy is a fast, modern spider framework written in and for Rust. The framework implements the functionalities of Scrapy, but is…4,984MIT scrustlibHopping into Rust1,526MIT scrutA simple and powerful test framework for CLI applications35,649MITCommand line utilitiesDevelopment tools::Testing scrutari-verifyOffline verifier for Scrutari audit-export packs (format v2): proves integrity, Merkle inclusion, signature validity, and chain…18Apache-2.0Command line utilitiesCryptography scrutchTiny utility to search rust crates directly from the command line24,797MIT scrutersA TUI for Rust testing and more1,163MIT OR Apache-2.0 scrutinQuality dashboard, file watcher, and parallel runner.405MITCommand line utilitiesDevelopment tools::Testing scrutin-coreLanguage-agnostic engine for scrutin: discovery, dep maps, NDJSON protocol, SQLite persistence.731MITCommand line utilitiesDevelopment tools::Testing scrutin-tuiRatatui frontend for scrutin: modal terminal UI over the scrutin-core run engine.545MITCommand line utilitiesDevelopment tools::Testing scrutin-webBrowser dashboard for scrutin: axum server streaming live run state over SSE to an embedded vanilla frontend.549MITCommand line utilitiesDevelopment tools::Testing scrutinatoreBPF system observation library — process, file, and network tracing57GPL-3.0-or-later scrutinator-cliCLI for scrutinator eBPF system observation18GPL-3.0-or-later scrutinator-commonShared types between scrutinator userspace and eBPF programs88GPL-3.0-or-later scrutinyA powerful, standards-compliant validation library for Rust with 50+ rules, conditional logic, and first-class axum integration104MITData structuresWeb programming scrutiny-axumAxum extractors for the scrutiny validation library — Valid<T>, ValidQuery<T>, ValidForm<T> with customizable error responses37MITWeb programming::HTTP server scrutiny-deriveDerive macro for the scrutiny validation library159MITWeb programming scrutiny_chain_blockchain_coreAI-Enhanced Blockchain Security Analysis Platform Core Blockchain Functionality762MIT scrutiny_chain_commonAI-Enhanced Blockchain Security Analysis Platform Common Library1,540MIT scryA terminal based way to search scryfall1,753MIT scry-engineImage generation pipeline engine — model registry, backend abstraction, parameter management22MIT OR Apache-2.0 scry-gpuLightweight GPU compute — dispatch shaders without the graphics baggage16MIT OR Apache-2.0ConcurrencyGraphics scry-indexA concurrent sorted key-value map backed by learned index structures22MIT OR Apache-2.0ConcurrencyData structures scry-learnMachine learning toolkit in pure Rust137MIT OR Apache-2.0AlgorithmsScience scry-mcpComputational scrying glass — MCP server for visual computing with embedded Python, SVG rendering, and live web gallery29MITDevelopment toolsGraphics scry-protocolEvent protocol for Scry SQL proxy - FlexBuffers serialization for query events334MIT OR Apache-2.0Database interfacesEncoding scry-sai-bitsPure known-bits × interval-guarded congruence reduced-product abstract domain for scry (FEAT-037, DD-017; LLVM-KnownBits +…3,580MIT OR Apache-2.0 scry-sai-corePure, bindgen-free analyzer core for scry (FEAT-014 / DD-012): the wasmparser + fixpoint + transfer logic and its plain-Rust…4,805MIT OR Apache-2.0 scry-sai-floatPure IEEE-754 float-interval abstract domain for scry (FEAT-047, AC-022; sound f32/f64 abstraction with NaN/±inf tracking and…2,644MIT OR Apache-2.0 scry-sai-handlePure affine handle-state lattice for scry (FEAT-049, MF-007; Component-Model own/borrow resource states — detects use-after-drop…2,651MIT OR Apache-2.0 scry-sai-intervalPure interval + region-memory abstract domain for scry (FEAT-001/FEAT-005; extracted for the self-contained analyzer, FEAT-013).4,926MIT OR Apache-2.0 scry-sai-octagonPure octagon relational abstract domain (DBM; ±x±y ≤ c) for scry (FEAT-010, Miné HOSC 2006 / AC-011).4,909MIT OR Apache-2.0 scry-sai-pentagonPure Pentagons weakly-relational abstract domain for scry (FEAT-044, AC-014; Logozzo-Fähndrich intervals + strict-less-than for…2,681MIT OR Apache-2.0 scry-sai-polyPure convex-polyhedra abstract domain for scry (FEAT-057, AC-012; Cousot-Halbwachs linear inequalities above the octagon, with…44MIT OR Apache-2.0 scry-sai-provenanceEncode/decode + projection for meld's `component-provenance` custom section (DD-002, FEAT-002).4,920MIT OR Apache-2.0 scry-sai-segmentPure linear-memory segmentation abstract domain for scry (FEAT-058, AC-015; Cousot-Cousot-Logozzo segment functor over interval…1,582MIT OR Apache-2.0 scry-sai-taintPure security-label lattice (low ⊑ high) for scry's taint / noninterference domain (FEAT-009, AC-007).4,905MIT OR Apache-2.0 scry-sai-vizStatic-HTML visualization of a scry (scry-sai-core) AnalysisResult — functions, call graph, diagnostics, and per-program-point…375MIT OR Apache-2.0Development toolsVisualization scry_asmPlaceholder124MIT OR Apache-2.0 scry_isaPlaceholder101MIT OR Apache-2.0 scry_simPlaceholder124MIT OR Apache-2.0 scryasmPlaceholder127MIT OR Apache-2.0 scrybeOpen-source local-first meeting transcription and notes. Pre-release placeholder; see https://github.com/Mathews-Tom/scrybe for…33Apache-2.0Command line utilitiesMultimedia::Audio scrybe-cliScrybe CLI — headless render/lint/mermaid/panel command-line tool111Apache-2.0Command line utilitiesText processing scrybe-coreScrybe core — AST, Document, ContentAddressable, Plugin trait, Workspace276Apache-2.0Data structuresText processing scrybe-mcp-serverScrybe MCP server — inbound MCP tools: open/read/section/edit/diff/find/embed/lint159Apache-2.0Command line utilitiesText processing scrybe-mermaidScrybe mermaid — standalone PNG iTXt codec, embeds Mermaid source in PNG metadata226Apache-2.0EncodingMultimedia::Images scrybe-mermaid-renderScrybe Mermaid renderer — a thin wrapper over mermaid-rs-renderer that injects Scrybe provenance (source + sha256)73Apache-2.0Text processing scrybe-ratatuiRender a scrybe-core Markdown document as styled ratatui text — an embeddable Markdown view for any ratatui app36Apache-2.0Command-line interfaceText processing scrybe-renderScrybe render — Markdown-to-HTML pipeline, syntect, KaTeX/Mermaid228Apache-2.0Text processing scrybe-rpcScrybe CLI ↔ GUI wire protocol — JSON-RPC 2.0 types over a Unix socket.199Apache-2.0EncodingNetwork programming scrybe-toolsScrybe tools — one ToolSpec registry shared by the CLI and the MCP server59Apache-2.0Command line utilities scrydReserved name (scryd — Nemac/VCI session layer). Placeholder; real crate to follow.17MIT OR Apache-2.0 scryerA CLI file manager/finder1,819MIT scryer-modular-bitfieldAllows to easily define bitfield types with modular building blocks. This is a forked version of the modular-bitfield crate with…32,111MIT/Apache-2.0Data structuresNo standard library scryer-modular-bitfield-implBitfields for structs that allow for modular use of enums.31,202MIT/Apache-2.0Data structures scryer-plugin-sdkSDK for building Scryer WebAssembly plugins1,362GPL-3.0-only scryer-prologA modern Prolog implementation written mostly in Rust.190,644BSD-3-ClauseCommand line utilities scryersA simple alternative to Scryfall with caching and mass image downloading capabilities.6,109MIT scryfallA wrapper around the scryfall magic the gathering api73,048MITAPI bindingsGames scryfall-clientan wrapper for the scryfall API1,613GPL-3.0 scryfall_sdk_rustA light wrapper (SDK) for Scryfall API (https://scryfall.com/docs/api)2,862MIT OR Apache-2.0API bindings scryglassA lightweight, blazing-fast image viewer59MITGUIMultimedia::Images scryglass-shader-commonShared pure-math kernel weights and transfer curves for scryglass18MIT scryingCapability-driven system-webview frame adapter — scry into WebView2/WKWebView/WebKitGTK and produce wgpu-importable frames78MPL-2.0 scryoneAPI Client for Scryfall (Magic: the Gathering Search API)79MIT OR Apache-2.0API bindingsData structures scryptScrypt password-based key derivation function55,258,002MIT OR Apache-2.0AuthenticationCryptography scrypt-optA pure-rust optimized scrypt implementation for moderate to high difficulty cases, with AVX2 and AVX512 intrinsics cores and a…1,421Apache-2.0CryptographyCryptography::Cryptocurrencies scrypt-opt-deriveInternal proc-macro crate for scrypt-opt1,007Apache-2.0 scryptencAn implementation of the scrypt encrypted data format46,670Apache-2.0 OR MITCryptographyNo standard library scryptenc-cliAn utility for encrypt and decrypt files43,730GPL-3.0-or-laterCommand line utilities scryptoThe Scrypto standard library, from the Radix DLT project.35,556non-standard scrypto-bindgenA library for generating Scrypto bindings.6,880non-standard scrypto-compilerA library for compiling Scrypto code, from the Radix DLT project.30,212non-standard scrypto-deriveA collection of macros for writing Scrypto blueprints, from the Radix DLT project.35,655non-standard scrypto-testA library for testing Scrypto blueprints, from the Radix DLT project.29,144non-standard scrypto_statictypesUse explicit container types with Scrypto! Leverage the Rust compiler's type checking to increase security and productivity when…1,577MIT OR Apache-2.0Cryptography::CryptocurrenciesDevelopment tools scrystoneReserved name (scrystone — Nemac/VCI session layer). Placeholder; real crate to follow.16MIT OR Apache-2.0 scrytuiA fast Terminal User Interface (TUI) to browse Magic: The Gathering cards using the Scryfall API25MIT OR Apache-2.0Command line utilitiesGames scsOpen source p2p share for devs to share anything with teammates across machines securely.7,970Apache-2.0Development tools scs-rsBindings to the SCS convex optimization solver2,190MITAlgorithmsAPI bindings scs-rs-proc-macrosProcedural macros for scs-rs crate3,243MIT scs-rust-bindingsRust bindings for the SCS project: https://www.cvxgrp.org/scs/2,600BSD-3-ClauseMathematicsScience scs-sdk-rsBindings for SCS Software SDK3,806MIT scs-sdk-telemetryRust wrapper for the ETS2 (Euro Truck Simulator 2) and ATS (American Truck Simulator) Telemetry SDK plug-in.12,305MPL-2.0 scs-telemetrySCS telemetry plugin DLL — exports scs_telemetry_init / scs_telemetry_shutdown and writes to shared memory17MIT OR Apache-2.0External FFI bindingsGame development scs-telemetry-clientClient library for reading SCS telemetry from the shared memory segment written by the scs-telemetry plugin18MIT OR Apache-2.0External FFI bindingsGame development scs-telemetry-shared-memoryShared memory layout (TelemetryMap) for the SCS telemetry plugin — byte-compatible with scsTelemetryMap_t PLUGIN_REVISION 1277MIT OR Apache-2.0External FFI bindingsGame development scs-telemetry-sysRaw #[no_std] FFI bindings for the SCS SDK C ABI (scssdk_telemetry.h and related headers)50MIT OR Apache-2.0External FFI bindingsGame development scshScoped Skills Helper — preflight a git repo and run its scoped skills in ephemeral containers.1,744MIT scsiA `no-std` library for easily interfacing with SCSI-based storage devices.6,996Apache-2.0Embedded developmentFilesystem scsirA simple library for issuing SCSI commands2,606MIT OR Apache-2.0 scss_mass_compilerRecursively converts all .scss files in current directory and it’s subdirectories.5,965LGPL-2.1-onlyCommand line utilities scstiscsi-scst user interface implemention by rust6,530MIT OR Apache-2.0Operating systems scsynthA safe Rust wrapper for an embedded, in-process SuperCollider scsynth engine.22GPL-3.0-or-later scsynth-sysRaw FFI bindings to a statically-linked SuperCollider scsynth engine.32GPL-3.0-or-later scsynth-wasm32-libcMusl libc for wasm32-unknown-unknown (a scsynth-rs wasm toolchain crate).49BSD-3-Clause AND ISC AND MIT scsynth-wasm32-libcxxLLVM's libc++ for WASM (from the emscripten LLVM fork); a scsynth-rs wasm toolchain crate.40BSD-3-Clause AND ISC AND MIT scsysscsys is a collection of primitives and utilities for use throughout the ecosystem.89,622Apache-2.0 scsys-actorsscsys is a collection of primitives and utilities for use throughout the ecosystem.34,891Apache-2.0 scsys-agentsscsys-agents2,666MIT scsys-configcommon configuration routines and schemas used throughout the ecosystem10,561Apache-2.0 scsys-corecore primitives and utilities for the scsys ecosystem74,970Apache-2.0 scsys-cryptocryptographic primitives and utilities for the scsys ecosystem36,915Apache-2.0 scsys-deriveuseful derive macros for the scsys ecosystem79,955Apache-2.0 scsys-genscsys-gen21,632Apache-2.0 scsys-macrosuseful procedural macros for the scsys ecosystem70,292Apache-2.0 scsys-stategeneric state implementations and utilities for the scsys ecosystem1,496Apache-2.0 scsys-storesscsys lays the foundation for the Scattered-Systems ecosystem, delivering critical primitives throughout2,719Apache-2.0 scsys-timetemporal abstractions, primitives, and utilities for the scsys ecosystem1,493Apache-2.0 scsys-traitsscsys is a collection of primitives and utilities for use throughout the ecosystem.12,378Apache-2.0 scsys-utilscsys is a collection of primitives and utilities for use throughout the ecosystem.13,246Apache-2.0 scsys-utilsscsys is a collection of primitives and utilities for use throughout the ecosystem.3,265Apache-2.0 scsys-xtaskA custom build system for the scsys ecosystem570Apache-2.0Development tools::Build Utils sctCertificate transparency SCT verification library306,256,881Apache-2.0 OR ISC OR MITCryptographyNetwork programming sct-readerA Rust crate for deserialising sector files used by online ATC clients such as EuroScope and VRC and converting them to a common…4,016BSD-3-ClauseParsing tools sct-rsLocal-first SNOMED CT toolchain: RF2 → NDJSON, SQLite, Parquet, Markdown, Arrow embeddings, and MCP server674AGPL-3.0-or-laterCommand line utilitiesScience scte104ANSI/SCTE 104 2023 — Automation System to Compression System Communications API (single/multiple operation messages + DPI…51MIT OR Apache-2.0MultimediaNo standard library scte35A Rust library for creating and parsing SCTE-35 (Society of Cable Telecommunications Engineers) messages with zero-dependency.14,700MIT scte35-readerReader for data formatted according to SCTE-3528,315MIT/Apache-2.0Multimedia::VideoParser implementations scte35-spliceANSI/SCTE 35 splice information (DPI cueing) — parser + serializer, no_std.184MIT OR Apache-2.0MultimediaParser implementations scte35dumpDump SCTE-35 data from a Transport Stream contained within a file or RTP network stream14,035MIT/Apache-2.0Command line utilitiesMultimedia::Video sctk-adwaitaAdwaita-like SCTK Frame24,141,934MIT sctpsctp22,231MIT sctp-asyncAsync implementation for the SCTP protocol1,615MIT/Apache-2.0AsynchronousNetwork programming sctp-protoA pure Rust implementation of SCTP in Sans-IO style2,239,807MIT OR Apache-2.0AsynchronousNetwork programming sctp-rsIdiomatic Rust APIs for Linux SCTP Stack.25,707Apache-2.0 OR MITNetwork programming sctp-sysBinding to libsctp for linux, and SctpDrv for windows. SctpDrv binding is experimental22,117MIT/Apache-2.0 sctp-udpUDP sockets with ECN information for the SCTP protocol1,547MIT/Apache-2.0AsynchronousNetwork programming sctpxA simple and friendly SCTP wrapper.808,790MITNetwork programming sctraceSyscall Compatibility Tracer (sctrace) that analyzes and validates system call against System Call Matching Language (SCML)373MPL-2.0 scttrConfiguration file-based dotfile manager1,202MIT OR Apache-2.0Command line utilities sctwA simple wrapper around sct for setting the color temperature of your screen.1,359MIT scubascuba1,724MIT scudThe all-in-one tool for streamlining the many version control processes of your development workflow. WIP17,099MITCommand-line interfaceCommand line utilities