All 305,250 crates, alphabetically

skp-validator-deriveDerive macro for skp-validator207MIT skp-validator-jsonschemaJSON Schema generation integration for skp-validator25MIT skp-validator-rulesBuilt-in validation rules for skp-validator205MIT skra hight level skia library.3,455MIT skrefReference implementation of the Agent Skills tooling: validate, read-properties, and to-prompt for SKILL.md skills65Apache-2.0Command line utilitiesDevelopment tools skribbleskribble is a fully typed atomic css compiler for rust, node, deno and the browser1,539Unlicense skribble_colorconvert between different supported css color formats using the palette crate1,547UnlicenseWebAssemblyWeb programming skribble_coreCore features for the skribble atomic css library2,097Unlicense skribeWIP1,859GPL-3.0 skriboA Rust library for low-level text layout.16,477MIT/Apache-2.0GraphicsText processing skrifaMetadata reader and glyph scaler for OpenType fonts.17,075,843MIT OR Apache-2.0GraphicsParsing tools skrillax-codecA framing codec for Silkroad Online network packets.5,580MITEncodingNetwork programming skrillax-packetPacket definition to serialize and deserialize to and from frames for Silkroad Online packets.6,056MITEncodingNetwork programming skrillax-packet-deriveDerive implementation for skrillax-packet.4,394MIT skrillax-protocolMacro to build up a protocol for use with skrillax-stream4,986MITNetwork programming skrillax-securitySecurity implementation for Silkroad Online packet streams.4,436MITCryptographyNetwork programming skrillax-serdeA serialization/deserialization library for Silkroad Online packets.6,508MITEncodingParser implementations skrillax-serde-deriveDerive macro to automatically implement seralization/deserialization for stuctures.6,471MIT skrillax-streamCombines skrillax-network crates to work nicely on top of a tokio tcp stream4,560MITAsynchronousNetwork programming skrillsA command-line interface and MCP server for managing local SKILL.md files.532MITCommand line utilitiesDevelopment tools skrills-analyzeSkill analysis: token counting, dependencies, and optimization912MITDevelopment tools skrills-dashboardTerminal UI dashboard for skrills metrics and monitoring443MITDevelopment toolsVisualization skrills-discoveryFilesystem discovery and hashing utilities used by the skrills MCP server.1,284MITDevelopment toolsFilesystem skrills-intelligenceIntelligent skill recommendations based on usage patterns and project context.913MITDevelopment tools skrills-metricsSQLite-based metrics collection for skrills skill invocations, validations, and sync events.521MITDatabase interfacesDevelopment tools skrills-serverCore library for the skrills MCP server: discovery, filtering, manifest generation, and runtime control.709MITDevelopment toolsFilesystem skrills-snapshotWire-format types for skrills cold-window real-time analysis (TUI + browser)297MITDevelopment tools skrills-stateState management for skrills runtime options, pins, and persisted overrides.1,096MITConfigurationDevelopment tools skrills-subagentsSubagent MCP tools for the skrills server with pluggable backends.893MITDevelopment tools skrills-tomeResearch API orchestration, caching, and knowledge graph for skrills.306MIT skrills-validateSkill validation for Claude Code and Codex CLI1,278MITDevelopment tools skrills_syncPreference synchronization and validation sync utilities for skrills958MITDevelopment tools skrtLightweight, zero-copy SubRip Text (SRT) subtitle library for Rust - std only, no dependencies144MIT skrunskrun executable skill runtime internals.461MIT skrustyTranslating C to Rust1,155non-standard skrynA servo/webrender based Desktop GUI library4,803MIT skrytsamgenerate pretty svgs for your profile on GitHub176WTFPL sksSwitch and manage your SSH keys for different hosts1,676MITCommand line utilities sks-ssh2-configParses and writes ssh2 config files preserving their order2,761MITParser implementations sks3200CLI + TUI manager for XikeStor SKS3200-8E2X switches74Apache-2.0Command line utilitiesNetwork programming sks5Lightweight SSH server with SOCKS5 proxy, shell emulation, and ACL239MITCommand line utilitiesNetwork programming skspring-rsPhysically-based damped springs model (for animation, mostly.)1,960BSD-3-ClauseSimulation sktA simple template creator for kubernetes resources3,410MIT sktablelayout-rsTable/grid based layout engine. Rule-based and framework agnostic.6,188BSD-3-ClauseGUI sktlibthe library for the template creator for kubernetes resources4,556MIT skuaCustom fork of Serenity, the Rust library for the Discord API.4,077ISC skua-voiceCustom fork of Songbird for KenaBot.1,590ISC skua-voice-modelA Rust library for (de)serializing Discord Voice API gateway messages.2,033ISC skuldA test harness with runtime preconditions, per-test FD capture, and fixture injection3,791Apache-2.0Development tools::Testing skuld-macrosProcedural macros for the skuld test harness3,833Apache-2.0Development tools::Testing skulkMCP (Model Context Protocol) connection manager - sneaking connections to the outside27MITAsynchronousDevelopment tools skullSkull HTTP server1,549MITNetwork programmingWeb programming skullbrain-diagnosticsDiagnostics for the skullbrain programming language447MIT OR Apache-2.0 skullbrain-lexerLexer for the skullbrain programming language, responsible for tokenizing source code.596MIT OR Apache-2.0Parser implementationsParsing tools skullbrain-parserParses skullbrain tokens into a concrete syntax tree (CST).273MIT OR Apache-2.0Parser implementationsParsing tools skullrumpQuickly write UNIX-like binary head and tail routines.2,078ISC skulpinThis crate provides an easy option for drawing hardware-accelerated 2D by combining Vulkan and Skia.112,079MIT OR Apache-2.0GraphicsGUI skulpin-app-winitA winit-based application layer for skulpin38,440MIT OR Apache-2.0GraphicsGUI skulpin-plugin-imguiA plugin for skulpin that implements imgui rendering21,205MIT OR Apache-2.0GraphicsGUI skulpin-rendererA vulkan renderer for skia, a component of skulpin57,280MIT OR Apache-2.0GraphicsGUI skulpin-renderer-sdl2Support for sdl2 in skulpin32,749MIT OR Apache-2.0GraphicsGUI skulpin-renderer-winitSupport for winit in skulpin31,392MIT OR Apache-2.0GraphicsGUI skvA simple thread-safe disk-backed key-value store4,272MIT skyAn Aerospace Toolbox for Rust1,567non-standardScience sky-color-wallpaperSet random wallpapers according to sky color7,235MIT OR Apache-2.0Command line utilities sky-deriveMacros for the Skytable client driver21,638Apache-2.0 sky-ili9341A high-performance, async-ready ILI9341 TFT display driver for embedded Rust56MITEmbedded developmentHardware support sky-saveA save file editor for Pokemon Mystery Dungeon - Explorers of Sky.2,448Apache-2.0 sky-save-guiA save file editor for Pokemon Mystery Dungeon - Explorers of Sky.1,144Apache-2.0 sky_ecsHigh-performance typed chunk-based ECS for Rust78MITData structuresGame development sky_ecs_deriveDerive macros for Sky ECS typed queries62MIT sky_profileStructured profiling facade for SkyEngine39MIT sky_renderer[DEPRECATED: use wilhelm_renderer instead] A minimalist 2D data rendering engine5,533MITGraphicsRendering::Graphics APIs sky_typeFoundational runtime type identity and layout metadata for Sky81MIT skyak_axum_coreCore utilities and extensions for Axum web framework2,677MITWeb programming skyangleAstronomical angles manipulations21,911MITScienceSimulation skyblock-repoCargo/Python package to interface with the Skyblock Repo2,718MIT skyblock-repo-macrosMacros used for skyblock-repo package489MIT skyblock-rsA simple library to interact with Hypixel's Skyblock API.11,069MITAPI bindings skycraneSkycrane automates infrastructure1,508Apache-2.0Command line utilitiesWebAssembly skyenceScientific package288MIT skyfallskyfall1,529MIT skyfeedA library for quickly building BlueSky feed generators.4,951MIT skyfolderSkyFolder is a self-contained HTTP/Bittorrent server for sharing files with friends & colleagues. Made for busy people that want…1,876GPL-3.0 skyhookApplication server for Ordinary11,530AGPL-3.0-only skylaneWayland protocol implementation9,798MITGUI skylane_protocolsAutogenerated marshalling code for skylane/wayland9,085MITGUI skylane_scannerMarshalling code generator for skylane/wayland8,052MITGUI skylessThis crate is reserved for the skyless project.1,563Unlicense skylet-abiPlugin ABI v2 definitions, FFI types, and service interfaces for the Skylet execution engine222MIT OR Apache-2.0 skylet-http-routerHTTP routing with regex pattern matching for plugin-provided API endpoints21MIT OR Apache-2.0 skylet-job-queueBackground job processing plugin with persistent storage and scheduled execution19MIT OR Apache-2.0 skylet-permissionsUser-Level Permissions and Context plugin implementing RFC-002320MIT OR Apache-2.0 skylightLightweight management of native Win32 windows with high DPI awareness, input handling, and support for light and dark themes.1,581MIT skylightsSkylights is a command line tool to bake radiance and irradiance maps for image based lighting3,774MIT skylineA library for helping patch and modify Nintendo Switch games116,454MIT skyline-webUtility crate to generate web pages and open the web browser for game modding on Nintendo Switch2,630MIT skyline_macroMacros for helping power skyline-rs114,628MIT skyline_smashA library for helping mod Smash Ultimate using skyline-rs1,798MIT skylinesA blazingly fast, and dead simple to use modern web framework for anyone.479MIT OR Apache-2.0 skylinkSkyLink is a simple and extensible protocol for communicating with AeroNode autopilots.971Apache-2.0Aerospace::Aerospace protocols skymarkHTML-to-Markdown converter prioritizing proper conversion for human readability73MIT skymask-rsCompute piecewise analytical solutions of skymask for given polyhedra1,870MIT skymathPlanning-grade astronomy math for astrophotography tooling: angles, equatorial coordinates, sexagesimal parsing and formatting,…6,973MPL-2.0MathematicsScience skymdRust bindings for hacl*13,897MIT skymeshA cross-platform mesh viewer for Native and Web.41MIT OR Apache-2.0 skynetReserved for future use.14MIT OR Apache-2.0 skynet-rsSia Skynet API1,633MIT skynet_aiA library for creating neural networks.5,089MIT skynet_apiAPI for Skynet plugin.46,791GPL-3.0API bindingsExternal FFI bindings skynet_api_agentAPI for Skynet agent plugin.15,912GPL-3.0API bindingsExternal FFI bindings skynet_api_monitorAPI for Skynet monitor plugin.14,927GPL-3.0API bindingsExternal FFI bindings skynet_api_taskAPI for Skynet task plugin.10,159GPL-3.0API bindingsExternal FFI bindings skynet_macroMacros for Skynet.9,107GPL-3.0API bindingsExternal FFI bindings skypydbRust port of the skypydb reactive and vector database client42MIT skyreelsRust SDK for SkyReels API20MITAPI bindings skyrim-cell-dumpLibrary and binary for parsing Skyrim plugin files and extracting CELL data20,017MIT skyscannerimplementation of the Skyscanner Flights live pricing API (3.0)1,516MIT OR Apache-2.0 skyscraperXPath for HTML web scraping27,812MITParsing tools skyscraper-cliA CLI tool that deletes old posts from Bluesky and Mastodon119Apache-2.0Command line utilities skyspellFast and handy spell checker for the command line18,558BSD-3-ClauseCommand line utilitiesText processing skyspell_coreskyspell core library18,903BSD-3-ClauseText processing skyspell_enchantImplementation of the skypsell Checker trait using enchant-rs1,173BSD-3-Clause skyspell_kakskyspell - kakoune integration14,093BSD-3-ClauseCommand line utilitiesText processing skystreamerIdiomatic Rust library for the AT Firehose streaming API3,493MITData structuresWeb programming::HTTP client skystrikeA fast terminal arcade shooter inspired by classic vertical shoot 'em ups10MITCommand line utilitiesGames skytableOfficial Rust client driver for Skytable78,023Apache-2.0 skytoolan experimental API client for BlueSky / ATProto2,484MIT OR Apache-2.0 skytraxx-airspace-parserParser for airspace files in Skytraxx format.1,443MIT/Apache-2.0Parser implementations skyullSKYULL is a command-line interface (CLI) in development that creates REST API project structure templates with the aim of making…1,553MITCommand-line interfaceCommand line utilities skywalkingApache SkyWalking Rust Agent34,227Apache-2.0 skywalking_rustApache SkyWalking Rust Agent1,633Apache-2.0 skywardA fast, extensive game engine written in Rust, utilizing glium.2,250MIT skywayA command-line OpenStreetMap file converter10,753GPL-3.0-or-later skyway-webrtc-gateway-apiREST API Wrapper for SkyWay WebRTC Gateway11,960MITAPI bindings skyway-webrtc-gateway-callerEasy crate for SkyWay WebRTC Gateway7,859MITAPI bindings skyzenA fast, ergonomic HTTP framework that works everywhere1,160MITWeb programming::HTTP server skyzen-awsAWS service implementations for the Skyzen framework15MIT OR Apache-2.0Database interfacesWeb programming::HTTP server skyzen-azureAzure service implementations for the Skyzen framework17MIT OR Apache-2.0Database interfacesWeb programming::HTTP server skyzen-cliUnified local emulation and deployment CLI for Skyzen15MIT OR Apache-2.0Command line utilitiesDevelopment tools skyzen-cloudflareCloudflare Workers service implementations for the Skyzen framework15MIT OR Apache-2.0WebAssemblyWeb programming::HTTP server skyzen-cloudflare-adminReusable Cloudflare control-plane API client — DNS, Pages, Access, Workers metadata. Extracted from fkgfw-deploy so any project…15MIT OR Apache-2.0API bindingsWeb programming skyzen-coreFoundational extractor/responder traits for the Skyzen framework1,399MIT OR Apache-2.0Web programming::HTTP server skyzen-hyperHyper server backend for the Skyzen framework1,198MIT OR Apache-2.0Web programming::HTTP server skyzen-macrosProcedural macros powering the Skyzen web framework1,279MIT OR Apache-2.0Web programming::HTTP server skyzen-redisRedis implementation of KeyValueStore for the Skyzen framework17MIT OR Apache-2.0Database interfacesWeb programming::HTTP server skyzen-s3S3-compatible ObjectStorage implementation for the Skyzen framework20MIT OR Apache-2.0Database interfacesWeb programming::HTTP server skyzen-servicesPortable service abstractions for the Skyzen framework110MIT OR Apache-2.0Web programming::HTTP server skyzen-testTesting utilities and mock implementations for the Skyzen framework17MIT OR Apache-2.0Development tools::TestingWeb programming::HTTP server slA scientific library2,244CC0-1.0 sl-chat-log-parserParser for SL viewer chat logs (Firestorm in particular but might work for others too)3,146MIT OR Apache-2.0Parser implementations sl-compute-commonUtilities for secure compute967non-standard sl-dkls23DKLs23 implementation for threshold ECDSA signatures1,151non-standard sl-glwFetch, parse, and render GlobalWind (GLW) wind/current/wave event overlays for Second Life sailing maps93MIT OR Apache-2.0API bindingsRendering sl-gxComputer graphics and plotting2,946CC0-1.0 sl-hello-goodbyeTails chat.txt log files and processes local chat lines and Entered chat range notifications to produce desktop notifications for…241MIT OR Apache-2.0Command line utilities sl-laLinear algebra2,862CC0-1.0 sl-libscvFile-centered server configuration discovery and IO support146Apache-2.0ConfigurationGame development sl-map-apisWraps the SL map API to convert grid coordinates to region names and vice versa and to fetch map tiles9,345MIT OR Apache-2.0API bindings sl-map-cliMakes the SL map functionality available on the CLI8,879MIT OR Apache-2.0Command line utilities sl-map-webWeb UI and JSON API for the SL map renderer53MIT OR Apache-2.0Web programming::HTTP server sl-messagesMessage exchange for MPC protocols1,409non-standard sl-mfA library of mathematical functions2,864CC0-1.0 sl-mpc-deriveMPC signing derivation: hash-to-curve, hard derive tweak, Ristretto VRF curve types1,465non-standard sl-mpc-mateUtilities for secure multi-party computation14,291non-standard sl-mpc-traitssmall utility traits25non-standard sl-mpc-vrfThreshold MPC VRF wire protocols on Ristretto (DKG + eval)97non-standard sl-naNumerical analysis2,880CC0-1.0 sl-obliviousOT protocols3,309non-standard sl-paillierPaillier encryption60non-standard sl-rsPure Rust port of the SL, an old joke command. SL (Steam Locomotive) runs across your terminal when you type "sl" as you meant to…7,672MIT/Apache-2.0Command line utilities sl-rustSL - An ASCII art train animation422MITCommand line utilities sl-secret-sharingSecret sharing primitives for RSS and Shamir transformations.15non-standard sl-server-core-taxonomyCore Minecraft server taxonomy and normalized core-key helpers221Apache-2.0ConfigurationGame development sl-server-flavor-coreCore server flavor modeling and capability resolution199Apache-2.0ConfigurationGame development sl-server-flowLocal Minecraft server lifecycle flow primitives and execution support50Apache-2.0ConfigurationGame development sl-server-infoRuntime server information probes, metrics, and log parsing113Apache-2.0ConfigurationGame development sl-server-launch-plan-coreMode-aware local launch planning built on startup scan and server flow primitives32Apache-2.0ConfigurationGame development sl-server-startup-scan-coreShared startup candidate scanning logic for Minecraft server folders and archives50Apache-2.0ConfigurationGame development sl-shamirShamir Secret Sharing372non-standard sl-transcriptTranscript helpers476non-standard sl-typesSome basic types for Second Life related tools8,614MIT OR Apache-2.0Parser implementationsScience::Geospatial sl-upAn interactive TUI smartlog for Sapling SCM, like git-sl-up but written in Rust.2,669GPL-3.0-or-later sl-verifiable-encVerifierable encryption303non-standard sl_cliEasy & improved symbolic link creation1,652MIT sl_time_convertA command line utility to convert real time to and from SL time4,582MIT sla-escrow-apiSLA-Escrow: Service Level Agreement Enforcer for AI Agents462Apache-2.0AlgorithmsCryptography slabPre-allocated storage for a uniform data type782,808,612MITData structuresMemory management slab-allocA fast, single-threaded object allocator.3,570Apache-2.0AlgorithmsCaching slab_32Forked from the main slab crate as an experiment. Don't use.3,710MITData structuresMemory management slab_allocatorSlab allocator for no_std systems. Uses multiple slabs with blocks of different sizes and a linked list for blocks larger than…13,061MIT slab_allocator_rsSlab allocator for no_std systems. Uses multiple slabs with blocks of different sizes and a buddy system allocator for blocks…10,278MITMemory managementNo standard library slab_treeA vec-backed tree structure with tree-specific generational indexes.76,774MITData structures slab_typesafeA wrapper for Slab that provides type-safe tokens instead of usize.137,245MIT/Apache-2.0 slaballocSafe and lockless fixed-size memory allocator for `no_std` systems2,755Apache-2.0/MIT slabbableSlabbable data structure trait2,855Apache-2.0/MITScience slabbable-hashSlabbable hash impl2,194Apache-2.0/MITScience slabbable-impl-selectorSlabbable data structure impl selector1,964Apache-2.0/MITScience slabbable-slabSlabbable slab impl2,102Apache-2.0/MITScience slabbable-stablevecSlabbable stablevec impl2,100Apache-2.0/MITScience