BROWSE A-Z
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-2.0
scriptureA robust command-line tool for managing, validating, and generating standardised Git commit messages.869MIT
scriptxScriptX is a command line tool to extract scriptures out of the American Sign Language version of the New World Translation.25,378MIT
scriptyScripty - your Rust command toolkit for easy command execution and file operations1,007MIT
scrivFast local CLI note manager with optional password encryption154GPL-3.0-only
scrivaRust gRPC client for ScrivaDB14MIT
scrive-coreHeadless code-editor core: buffer, atomic multi-range transactions, undo/redo, selections, tracked-range decorations, and an…48MIT
scrive-icediced 0.14 integration for scrive: an `advanced::Widget` code editor with gutter, selections, syntax highlighting, diagnostics,…41MIT
scrivenerRust library for reading and writing Scrivener 3 projects193MIT
scrivener-mcpMCP server for Scrivener 3 projects — AI-powered writing assistant tools88MIT
scrivener-rtfPure Rust RTF parser and generator, optimized for Scrivener workflows248MIT
scrivoA terminal-native, VSCode-like IDE built on an embedded Neovim (work in progress).12MIT OR Apache-2.0
scrobble-scrubberAutomated Last.fm scrobble monitoring and correction tool476MIT
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 encryption68MIT
scroll-ringAn MPSC overwriting ring buffer tuned for character data scrollback41,362MIT OR Apache-2.0
scroll-rs🖱️ A headless, customizable scroll-to-target component for WASM frameworks like Yew, Dioxus, and Leptos.2,897MIT
scroll-ssgMagical Static Site Generator1,673MIT
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 documents106MIT
scrolling_window_pattern_matcherA unified pattern matching library with optional context support and extractor-driven architecture for streaming data processing.3,799MIT OR Apache-2.0
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-only
scru128SCRU128: Sortable, Clock and Random number-based Unique identifier90,242Apache-2.0
scru128-cliCLI frontend for the scru128 crate, a library for generating and parsing SCRU128 identifiers1,686Apache-2.0
scru64SCRU64: Sortable, Clock-based, Realm-specifically Unique identifier22,007Apache-2.0
scrubRemove span information to improve error messages1,509MIT OR Apache-2.0
scrub-cliRedact secrets and PII from text using gitleaks detection rules.37MIT
scrub-dbManual database anonymization tool - Free version85MIT OR Apache-2.0
scrub_logLog formatter with colors, file locations, program run duration.6,457MIT
scrubberproxy-wasm filter development framework1,180MIT OR Apache-2.0
scrubbersHigh-throughput redaction engine + CLI41Apache-2.0
scrubbyRemove or extract background taxa for metagenomic diagnostic applications3,672MIT
scrubcsvRemove bad lines from large CSV files and normalize the rest15,244MIT/Apache-2.0
scrubkitA modern, privacy-first metadata scrubber built with Rust.371MIT
scrubkit-coreA modern, privacy-first metadata scrubber built with Rust.838MIT
scrubrA fast tool for Anonimization.45MIT OR Apache-2.0
scruitnymy crate6,075Unlicense
scrummageFight over OS process prioritisation3,870MIT OR Apache-2.0 OR Zlib
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 components4,322MIT
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 applications35,649MIT
scrutari-verifyOffline verifier for Scrutari audit-export packs (format v2): proves integrity, Merkle inclusion, signature validity, and chain…18Apache-2.0
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.405MIT
scrutin-coreLanguage-agnostic engine for scrutin: discovery, dep maps, NDJSON protocol, SQLite persistence.731MIT
scrutin-tuiRatatui frontend for scrutin: modal terminal UI over the scrutin-core run engine.545MIT
scrutin-webBrowser dashboard for scrutin: axum server streaming live run state over SSE to an embedded vanilla frontend.549MIT
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 integration104MIT
scrutiny-axumAxum extractors for the scrutiny validation library — Valid<T>, ValidQuery<T>, ValidForm<T> with customizable error responses37MIT
scrutiny-deriveDerive macro for the scrutiny validation library159MIT
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-2.0
scry-indexA concurrent sorted key-value map backed by learned index structures22MIT OR Apache-2.0
scry-learnMachine learning toolkit in pure Rust137MIT OR Apache-2.0
scry-mcpComputational scrying glass — MCP server for visual computing with embedded Python, SVG rendering, and live web gallery29MIT
scry-protocolEvent protocol for Scry SQL proxy - FlexBuffers serialization for query events334MIT OR Apache-2.0
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-2.0
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-2.0
scrybe-cliScrybe CLI — headless render/lint/mermaid/panel command-line tool111Apache-2.0
scrybe-coreScrybe core — AST, Document, ContentAddressable, Plugin trait, Workspace276Apache-2.0
scrybe-mcp-serverScrybe MCP server — inbound MCP tools: open/read/section/edit/diff/find/embed/lint159Apache-2.0
scrybe-mermaidScrybe mermaid — standalone PNG iTXt codec, embeds Mermaid source in PNG metadata226Apache-2.0
scrybe-mermaid-renderScrybe Mermaid renderer — a thin wrapper over mermaid-rs-renderer that injects Scrybe provenance (source + sha256)73Apache-2.0
scrybe-ratatuiRender a scrybe-core Markdown document as styled ratatui text — an embeddable Markdown view for any ratatui app36Apache-2.0
scrybe-renderScrybe render — Markdown-to-HTML pipeline, syntect, KaTeX/Mermaid228Apache-2.0
scrybe-rpcScrybe CLI ↔ GUI wire protocol — JSON-RPC 2.0 types over a Unix socket.199Apache-2.0
scrybe-toolsScrybe tools — one ToolSpec registry shared by the CLI and the MCP server59Apache-2.0
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-2.0
scryer-modular-bitfield-implBitfields for structs that allow for modular use of enums.31,202MIT/Apache-2.0
scryer-plugin-sdkSDK for building Scryer WebAssembly plugins1,362GPL-3.0-only
scryer-prologA modern Prolog implementation written mostly in Rust.190,644BSD-3-Clause
scryersA simple alternative to Scryfall with caching and mass image downloading capabilities.6,109MIT
scryfallA wrapper around the scryfall magic the gathering api73,048MIT
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-2.0
scryglassA lightweight, blazing-fast image viewer59MIT
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-2.0
scryptScrypt password-based key derivation function55,258,002MIT OR Apache-2.0
scrypt-optA pure-rust optimized scrypt implementation for moderate to high difficulty cases, with AVX2 and AVX512 intrinsics cores and a…1,421Apache-2.0
scrypt-opt-deriveInternal proc-macro crate for scrypt-opt1,007Apache-2.0
scryptencAn implementation of the scrypt encrypted data format46,670Apache-2.0 OR MIT
scryptenc-cliAn utility for encrypt and decrypt files43,730GPL-3.0-or-later
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-2.0
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-2.0
scsOpen source p2p share for devs to share anything with teammates across machines securely.7,970Apache-2.0
scs-rsBindings to the SCS convex optimization solver2,190MIT
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-Clause
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-2.0
scs-telemetry-clientClient library for reading SCS telemetry from the shared memory segment written by the scs-telemetry plugin18MIT OR Apache-2.0
scs-telemetry-shared-memoryShared memory layout (TelemetryMap) for the SCS telemetry plugin — byte-compatible with scsTelemetryMap_t PLUGIN_REVISION 1277MIT OR Apache-2.0
scs-telemetry-sysRaw #[no_std] FFI bindings for the SCS SDK C ABI (scssdk_telemetry.h and related headers)50MIT OR Apache-2.0
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-2.0
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-only
scstiscsi-scst user interface implemention by rust6,530MIT OR Apache-2.0
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-2.0
sctCertificate transparency SCT verification library306,256,881Apache-2.0 OR ISC OR MIT
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-Clause
sct-rsLocal-first SNOMED CT toolchain: RF2 → NDJSON, SQLite, Parquet, Markdown, Arrow embeddings, and MCP server674AGPL-3.0-or-later
scte104ANSI/SCTE 104 2023 — Automation System to Compression System Communications API (single/multiple operation messages + DPI…51MIT OR Apache-2.0
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-2.0
scte35-spliceANSI/SCTE 35 splice information (DPI cueing) — parser + serializer, no_std.184MIT OR Apache-2.0
scte35dumpDump SCTE-35 data from a Transport Stream contained within a file or RTP network stream14,035MIT/Apache-2.0
sctk-adwaitaAdwaita-like SCTK Frame24,141,934MIT
sctpsctp22,231MIT
sctp-asyncAsync implementation for the SCTP protocol1,615MIT/Apache-2.0
sctp-protoA pure Rust implementation of SCTP in Sans-IO style2,239,807MIT OR Apache-2.0
sctp-rsIdiomatic Rust APIs for Linux SCTP Stack.25,707Apache-2.0 OR MIT
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-2.0
sctpxA simple and friendly SCTP wrapper.808,790MIT
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-2.0
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. WIP17,099MIT