All 305,250 crates, alphabetically

scud-cliFast, simple task master for AI-driven development1,523MIT scud-task-coreCore library for SCUD task management272MIT scud-weaveB-thread coordination layer for multi-agent file conflict prevention171MIT scud_coreCore library of scud11,188MITCommand-line interfaceCommand line utilities scudoRust Bindings for the Scudo Hardened Allocator144,626Apache-2.0 scudo-proc-macrosProc macros to use with the Rust bindings for the Scudo Allocator116,943Apache-2.0 scudo-sysC/FFI Bindings for the Scudo Hardened Allocator145,947Apache-2.0 scuffWeb scraping framework1,516non-standard scuffleHigh-level bindings to libscf on illumos1,100MPL-2.0API bindings scuffle-aacA crate for decoding AAC audio headers.5,629MIT OR Apache-2.0 scuffle-amf0A pure-rust implementation of AMF0 encoder and decoder.7,004MIT OR Apache-2.0 scuffle-av1AV1 codec header decoding & encoding.768,400MIT OR Apache-2.0 scuffle-batchingOptimized batching and dataloading for external services.8,660MIT OR Apache-2.0 scuffle-bootstrapA utility crate for creating binaries.10,282MIT OR Apache-2.0 scuffle-bootstrap-deriveDerive macros for scuffle-bootstrap.10,562MIT OR Apache-2.0 scuffle-bootstrap-telemetryTelemetry utilities for scuffle-bootstrap.9,080MIT OR Apache-2.0 scuffle-bytes-utilA utility crate for working with bytes.842,631MIT OR Apache-2.0 scuffle-cedar-policySome extensions to the cedar-policy crate.291MIT OR Apache-2.0 scuffle-cedar-policy-codegenCode generator for scuffle-cedar-policy.530MIT OR Apache-2.0 scuffle-changelogA helper macro to embed changelogs in crate docs.6,358MIT OR Apache-2.0 scuffle-configExtensible config solution1,935MITConfiguration scuffle-contextGo-like context utilities for Rust.20,020MIT OR Apache-2.0 scuffle-expgolombExponential-Golomb encoder and decoder.126,827MIT OR Apache-2.0 scuffle-ffmpegFFmpeg bindings for Rust.9,889MIT OR Apache-2.0 scuffle-ffmpeg-sysFFI bindings to FFmpeg768WTFPL scuffle-flvA pure Rust FLV demuxer.4,645MIT OR Apache-2.0 scuffle-future-extA utility crate for working with futures.4,817MIT OR Apache-2.0 scuffle-h264A pure Rust H.264 header decoder.13,200MIT OR Apache-2.0 scuffle-h265A pure Rust H.265 header decoder.123,217MIT OR Apache-2.0 scuffle-h3-webtransportEnhanced fork of the h3-webtransport crate tailored for Scuffle.4,485MIT scuffle-httpA high-performance HTTP server supporting HTTP/1.1, HTTP/2, and HTTP/3.9,674MIT OR Apache-2.0 scuffle-image-processorImage Processor service for Scuffle.2,170AGPL-3.0 scuffle-image-processor-protoProtocol buffers for the Image Processor service.2,488MIT OR Apache-2.0 scuffle-metricsHelper crate to instrument your code with metrics.10,748MIT OR Apache-2.0 scuffle-metrics-deriveDerive macros for scuffle-metrics.9,420MIT OR Apache-2.0 scuffle-mp4A pure Rust MP4 parser and writer.4,814MIT OR Apache-2.0 scuffle-pprofHelper crate for adding pprof support to your application.8,882MIT OR Apache-2.0 scuffle-rtmpA pure Rust RTMP server4,925MIT OR Apache-2.0 scuffle-settingsTools for managing configuration from environment variables or config files.8,124MIT OR Apache-2.0 scuffle-signalErgonomic async signal handling.8,984MIT OR Apache-2.0 scuffle-transmuxerA utility crate for transmuxing media streams.3,714MIT OR Apache-2.0 scuffle-utilsScuffle Utility Library7,523MIT OR Apache-2.0 scuffle-workspace-hackworkspace-hack package, managed by hakari863,237MIT OR Apache-2.0 scuffle_config_deriveExtensible config solution2,100MITConfiguration scuisei-rsScene-change detection library and CLI61MITCommand line utilitiesMultimedia::Video sculblogproject xanadu revivalism1,068MIT sculeA simple UTF-8 aware, pipeable, case converter.2,790GPL-2.0 sculkP2P tunnel core library for Minecraft multiplayer725GPL-3.0Game developmentNetwork programming sculk-cliMinecraft P2P multiplayer tunnel CLI53GPL-3.0Command line utilitiesNetwork programming sculk-tuiMinecraft P2P multiplayer tunnel TUI client52GPL-3.0Command line utilitiesNetwork programming sculptEarly Development: Rust types for XML, Typescript, and other schemas782MIT OR Apache-2.0 sculptor(Placeholder of) an app framework that uses configuration files.13,653MITCommand line utilities sculptureplaceholder, this will be a CMS soon1,781MIT scumscum1,652MIT scuptscupt util library1,464Apache-2.0 scupt-utilscupt util library1,477Apache-2.0 scuptdScupT Database1,501Apache-2.0 scuriolusScuriolus is a modular trading bot platform.1,173Apache-2.0 scurlSecure curl - AI-powered security review for install scripts142MITCommand line utilities scurryA component-based object-oriented language12,238MITCompilers scursorSecure cursor library with support for read and write transactions78,471MIT OR Apache-2.0 scurveSpace-filling curves library and visualization tools.1,588MITAlgorithmsGraphics scurve-guiSpace-filling curves library and visualization tools.202MITAlgorithmsGraphics scurve_motionS-Curve motion planning library899Apache-2.0MathematicsScience::Robotics scurvyTorrent Crate1,208MIT scutOpen links via short aliases1,566GPL-3.0-or-laterCommand line utilities scuteDeterministic fitness checks for your codebase370Apache-2.0 scute-configConfiguration loading for Scute507Apache-2.0 scute-coreCore check engine for Scute fitness checks565Apache-2.0 scute-mcpMCP server for Scute fitness checks443Apache-2.0 scute-test-utilsTest utilities for Scute202Apache-2.0 scutiger-bina set of Git utilities for people who use Git a lot4,032MIT scutiger-corea set of shared functionality for the other Scutiger crates35,168MIT scutiger-lfsa set of Git LFS-related utilities33,457MIT scuttleA multi-objective MaxSAT solver.6,683MIT scuttle-coreCore library of the Scuttle MO-MaxSAT solver847MIT scuttle-procProcedural macros for scuttle. This crate is not intended to be used outside of scuttle.4,560MIT scuttlebuttA Rust interface for kubernetes events5,767MIT scuttlerN/A for now1,456MIT OR Apache-2.0 scvA Rust procedural macro108MIT OR Apache-2.0Development tools scwapeA tool to scrape the web via CSS selectors7,114MITCommand line utilities scx-cliSwiss-army knife for single-cell data formats20GPL-3.0 scx-coreStreaming interop engine for single-cell data59GPL-3.0 scx_arenaCrate for setting up the BPF arena library for sched-ext schedulers.1,785GPL-2.0-only scx_beerlandScheduler designed to prioritize locality and scalability. https://github.com/sched-ext/scx/tree/main221GPL-2.0-only scx_bpf_compatBPF compatibility testing utilities for sched_ext1,367GPL-2.0-only scx_bpflandA vruntime-based sched_ext scheduler that prioritizes interactive workloads. https://github.com/sched-ext/scx/tree/main13,428GPL-2.0-only scx_cakeA sched_ext scheduler applying CAKE bufferbloat concepts to CPU scheduling92GPL-2.0-only scx_cargoBuild time utilities for sched_ext schedulers7,374GPL-2.0-only scx_chaosscx_chaos A general purpose sched_ext scheduler designed to amplify race conditions3,879GPL-2.0-only scx_characterizeWorkload characterization tool for sched_ext schedulers24GPL-2.0-only scx_cosmosLightweight scheduler optimized for preserving task-to-CPU locality. https://github.com/sched-ext/scx/tree/main1,217GPL-2.0-only scx_flashA scheduler designed for multimedia and real-time audio processing workloads. https://github.com/sched-ext/scx/tree/main5,899GPL-2.0-only scx_flowA budget-driven sched_ext scheduler with zero heuristic classification. https://github.com/sched-ext/scx/tree/main58GPL-2.0-only scx_forgeAI scheduler-generation template for scx-forge-agent. https://github.com/sched-ext/scx/tree/main23GPL-2.0-only scx_forge_agentLLM-driven optimizer that iterates a sched_ext scheduler against a benchmark metric23GPL-2.0-only scx_lavdA Latency-criticality Aware Virtual Deadline (LAVD) scheduler based on sched_ext, which is a Linux kernel feature which enables…17,159GPL-2.0-only scx_layeredA highly configurable multi-layer BPF / user space hybrid scheduler used within sched_ext, which is a Linux kernel feature which…24,690GPL-2.0-only scx_loaderDBUS on-demand loader of sched-ext schedulers10,833GPL-2.0-only scx_p2dqscx_p2dq A simple pick two load balancing scheduler in BPF5,349GPL-2.0-only scx_pandemoniumA behavioral, adaptive sched_ext scheduler with three-tier classification, L2 affinity, and process learning95GPL-2.0-only scx_raw_pmuUtilities to handle raw PMU counters in sched_ext schedulers679GPL-2.0-only scx_rlfifoA simple FIFO scheduler in Rust that runs in user-space13,492GPL-2.0-only scx_rustlandA BPF component (dispatcher) that implements the low level sched-ext functionalities and a user-space counterpart (scheduler),…18,888GPL-2.0-only scx_rustland_coreFramework to implement sched_ext schedulers running in user space31,866GPL-2.0-only scx_rustyA multi-domain, BPF / user space hybrid scheduler used within sched_ext, which is a Linux kernel feature which enables…22,575GPL-2.0-only scx_statsStatistics transport library for sched_ext schedulers21,995GPL-2.0-only scx_stats_deriveDerive macro for scx_stats17,515GPL-2.0-only scx_ticklessA server-oriented scheduler designed to minimize OS noise and maximize performance isolation.…3,670GPL-2.0-only scx_trutherA non-competitive demo scheduler for sched-ext (rustland-core)100MIT OR Apache-2.0 scx_userspace_arenaUtilities for interacting with BPF arenas from userspace in sched_ext schedulers2,744GPL-2.0-only scx_utilsUtilities for sched_ext schedulers52,492GPL-2.0-only scxcashCache Usage Analyzer for sched_ext Schedulers729GPL-2.0-only scxctlA cli dbus client for scx_loader8,219GPL-2.0-onlyCommand line utilities scxmlW3C SCXML statechart library — parse, validate, export, and simulate Harel statecharts. Framework-agnostic, WASM-ready, rkyv…118MIT OR Apache-2.0Data structuresParser implementations scxtopsched_ext scheduler tool for observability5,371GPL-2.0-only scxtuiTUI for managing sched_ext schedulers via scx_loader (placeholder release, work in progress)27GPL-2.0-onlyCommand line utilities scyllaAsync CQL driver for Rust, optimized for ScyllaDB, fully compatible with Apache Cassandra™7,907,526MIT OR Apache-2.0Database interfaces scylla-aws-keyspaces-authenticatorThis crate provides a simple to use AuthenticatorProvider implementation for scylla crate that works with AWS KeySpaces for…1,589MITDatabase interfaces scylla-cdcLibrary for consuming ScyllaDB CDC log for Rust11,834Apache-2.0Database interfaces scylla-cqlCQL data types and primitives, for interacting with ScyllaDB.7,813,719MIT OR Apache-2.0Database interfaces scylla-cql-coreCQL data types and primitives that form the stable public API of the ScyllaDB Rust driver.51,668MIT OR Apache-2.0Database interfaces scylla-macrosproc macros for the ScyllaDB async CQL driver7,841,981MIT OR Apache-2.0Database interfaces scylla-macros-flexThis fork of scylla-macros provide alternative parsers with improved compatibility when reading rows & UDTs.18,660MIT OR Apache-2.0Database interfaces scylla-migrateA migration tool for ScyllaDB7,489MIT scylla-proxyProxy layer between ScyllaDB driver and cluster that enables testing ScyllaDB drivers' behaviour in unfavourable conditions20,292MIT OR Apache-2.0Database interfaces scylla-rsAn async ScyllaDB driver built on an actor-model framework7,380non-standard scylla-rust-mcpRead-only MCP server for ScyllaDB over stdio77MIT OR Apache-2.0Command line utilitiesDatabase interfaces scylla-udfProc macros for scylla rust UDFs bindings43,879MIT OR Apache-2.0Database interfacesWebAssembly scylla-udf-macrosImplementation of scylla-udf macros44,460MIT OR Apache-2.0Database interfacesWebAssembly scylla_ormORM for Scylla, fully compatible with Apache Cassandra™4,302MITDatabase interfaces scylla_orm_macroMacros for the ORM for Scylla, fully compatible with Apache Cassandra™2,288MITDatabase interfaces scylla_orm_query_parserQuery parser for the ORM for Scylla, fully compatible with Apache Cassandra™3,002MITDatabase interfaces scylla_orm_table_to_structTable mapper for the ORM for Scylla, fully compatible with Apache Cassandra™6,006MITDatabase interfaces scylladbAn async ScyllaDB driver built on an actor-model framework17,204non-standard scylladb-dev-toolkitDeveloper Toolkit for ScyllaDB.2,721MIT OR Apache-2.0Database interfaces scylladb-macrosProcedural macros for the scylladb driver2,640non-standard scylladb-parseStatement parsing library for Scylla CQL5,585non-standard scylladb-parse-macrosProcedural macros for the scylladb driver3,981non-standard scyllaxA SQLx and Discord inspired query system for Scylla28,242MIT OR Apache-2.0 scyllax-cliThe CLI for scyllax -- mainly managing migrations13,091MIT OR Apache-2.0 scyllax-macrosMacros for scyllax28,030MIT OR Apache-2.0 scyllax-macros-coreCore macro impl for scyllax19,350MIT OR Apache-2.0 scyllax-parserA parser for CQL queries17,689MIT OR Apache-2.0Database interfacesParser implementations scylloScyllaDB client for Rust1,505LGPL-3.0 scyrosA framework to design sound, reproducible and scalable mining repositories studies on GitHub.137Apache-2.0Command line utilitiesScience scytaleA fast and correct cryptographic library2,603BSD-2-Clause-PatentCryptography scytheA library and tool set for creating applications with Rust2,962MIT scythe-backendBackend manifest, type resolution, and template rendering for scythe612MITDevelopment tools scythe-cliCLI for scythe -- SQL-to-code generator with linting and formatting395MITCommand line utilitiesDatabase interfaces scythe-codegenPolyglot code generation backends for scythe524MITDatabase interfacesDevelopment tools scythe-coreCore SQL parsing, catalog building, and type inference for scythe3,373MITDatabase interfacesParser implementations scythe-inspectLive-database health-check engine for scythe25MITDatabase interfacesDevelopment tools scythe-lintSQL linting engine with 93 rules for scythe527MITDevelopment tools scythe_dataA Scythe module for working with data3,671MIT scythe_pathsA Scythe module for working with paths3,671MIT scythe_platformA Scythe module for working with platforms3,659MIT sdAn intuitive find & replace CLI505,858MITCommand line utilitiesDevelopment tools sd-card-backupA simple tool to backup up SD cards. (Or CFast, CFExpress, etc.)1,735MIT sd-cwtSelective Disclosure CBOR Web Token (SD-CWT) helpers for cose2.20MIT sd-device-sysFFI bindings to `systemd/sd-devices.h`60MITExternal FFI bindingsHardware support sd-id128A wrapper for sd-id128 implemented in libsystemd.9,130AGPL-3.0API bindingsExternal FFI bindings sd-journalA wrapper for sd-journal implemented in libsystemd.2,395AGPL-3.0-or-laterAPI bindingsExternal FFI bindings sd-jwt-payloadRust implementation of Selective Disclosure JWTs (SD-JWT)30,487Apache-2.0 sd-jwt-rsRust reference implementation of the IETF SD-JWT specification (v7).18,498Apache-2.0 OR MIT sd-listen-fdsMinimal, pure-rust helper to accept file descriptors from systemd89,123MIT OR Apache-2.0API bindingsOperating systems::Linux APIs sd-notifyLightweight crate for systemd service state notifications12,649,684MIT OR Apache-2.0Operating systems sd-rsStandard Deviation Over Period (SD) implementation in Rust2,544MIT sd-switchA systemd unit reload/restart utility for Home Manager5,628GPL-3.0-or-laterCommand line utilities sd-sysFFI for libsystemd7,612AGPL-3.0API bindingsExternal FFI bindings sd2405alDriver for the SDA2405AL real-time clock, for use with embedded-hal1,619MIT OR Apache-2.0Embedded developmentNo standard library sd_jwtAn implementation of SD-JWT2,705MIT OR Apache-2.0Authentication sdaStructured Data Algebra command-line interface for evaluating, checking, and formatting SDA programs over JSON input.35GPL-3.0-or-laterCommand line utilitiesParser implementations sda-libStructured Data Algebra as a pure Rust library for validating, formatting, and transforming structured data.97GPL-3.0-or-laterData structuresParser implementations sdaas-rsOfficial Rust SDK for SDaaS — Semantic Delta as a Service19MITAPI bindingsText processing sdba user-friendly wrapper for sanakirja database14,401AGPL-3.0-or-later sdb_clientclient for tectonicdb2,041MIT sdb_coremarket data server for contiguous order book ticks3,029MIT sdb_debuggerBook: Building a Debugger. Rust port of C++ debugger sdb1,374MIT sdb_macroa user-friendly wrapper for sanakirja database2,781AGPL-3.0-or-later sdb_server_coreSeismicDB Server2,046MIT sdbmSDBM is a non-cryptographic hashing algorithm6,122MITAlgorithms sdcRead and write Riegl's .sdc file format6,183MIT sdc-parserA parser library for Synopsys Design Constraints (sdc)3,198MIT OR Apache-2.0Parser implementations sdc4-validatorHigh-performance XML Schema validator with Semantic Data Charter (SDC4) support40MITData structuresDevelopment tools sdc_apisSecretFlow Data Capsule apis proto generated Rust6,184non-standard sdconsAn implementation of geo-replicated distributed consensus algorithm: SDPaxos1,731Apache-2.0 sdctlAn easy-to-use TUI for managing systemd units109MITCommand line utilities sdcxSDC (Synopsys Design Constraints) toolkit1,812MIT OR Apache-2.0Parser implementations sddScalable lock-free delayed memory reclaimer76,211,003Apache-2.0ConcurrencyData structures sdd-layerSpec-Driven Development CLI and agent harness602MIT sdd-spec-checkVerify that SDD specs and tests agree on rule IDs and text.16MITCommand line utilitiesDevelopment tools::Testing sddcA native Rust driver for the RX-888 family of software-defined radios (SDR).44LGPL-2.1-or-later sddla library to parse and analyse SDDL Strings19,157GPL-3.0 sddm2rpma simple cli tool to genrate rpms for sddm form tar.gz4,153GPL-3.0-or-later sddrsBottom-up Sentential Decision Diagram compiler library.3,813BSD-3-ClauseCompilersData structures sdeA library to read Eve Online's SDE data from sqlite database.23,911MITGamesValue formatting sde-sim-rsPowerful and flexible stochastic differential equation (quasi) Monte-Carlo simulation library written in Rust with Python bindings497MIT sdec-bevyBevy adapter for sdec schema + delta encoding22MIT OR Apache-2.0EncodingGame development sdec-bitstreamLow-level bit packing primitives for the sdec codec562MIT OR Apache-2.0EncodingGame development