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.

slabbable-validationSlabbable data structure trait impls validation868Apache-2.0/MITScience slabbinAn efficient slab allocator with stable addresses951,452MIT OR Apache-2.0Memory managementNo standard library slabbyMaximally efficient allocation and deallocation of a large number of instances of a type.6,910MITData structuresMemory management slabhiddeviceHidDevice library in Rust1,015MIT slabifyA macro for create slabs of structs1,681MIT OR Apache-2.0 slabigatorA fixed-capacity linked list with stable element addressing and no dynamic allocations83,373MIT OR Apache-2.0Data structuresMemory management slablitLiteral for slab creation5,894MIT OR Apache-2.0Data structures slabmallocSimple slab based malloc implementation in rust. Can be used stand-alone or in order to provide the necessary interface to rusts…78,784MIT slabmapHashMap-like collection that automatically determines the key.37,921MIT OR Apache-2.0Data structuresMemory management slabruntimeCP210X Runtime library in Rust1,093MIT slabsRetrieval spans and late pooling547MIT OR Apache-2.0Text processing slabtasticA streamable, readable, writeable, randomly accessible file format1,001Apache-2.0FilesystemNetwork programming slacThe "Simple Logic & Arithmetic Compiler" transforms a single expression into an abstract syntax tree.22,053Apache-2.0CompilersParsing tools slackslack realtime messaging client: https://api.slack.com/bot-users201,553Apache-2.0 slack-api-clientslack api client Project homepage: https://github.com/isaacadams/slack-api-client15,079MIT OR Apache-2.0 slack-auth-middlewareA middleware layer for Axum to authenticate requests from Slack using HMAC signatures.4,425MITAuthenticationWeb programming slack-bkSlack BlockKit API abstraction for Rust17,537MITAPI bindingsData structures slack-blocksModels + clientside validation for Slack's JSON Block Kit132,126MIT OR Apache-2.0Data structures slack-blocks-renderSlack blocks render is a Rust library to render Slack blocks as Markdown.14,133Apache-2.0 slack-chat-apiA fully generated & opinionated API client for the Slack API.114,488MIT slack-claude-bridgeRun long Claude Code jobs from Slack and reply from your phone — a Socket Mode bridge.68MITCommand line utilitiesDevelopment tools slack-clislack cli Project homepage: https://github.com/isaacadams/slack-api-client2,108MIT OR Apache-2.0 slack-flowsSlack extension for flows.network40,143MIT/Apache-2.0 slack-framework-rs`slack-framework-rs` is the library that [the author](https://gitlab.com/nogiro) uses to create the Slack App.3,126MIT OR Apache-2.0 slack-gcA barebones utility for cleaning up old slack file uploads3,293MIT slack-hookA rust crate for sending messages to Slack via webhooks.369,203MIT OR Apache-2.0API bindingsWeb programming slack-hook-cluxA rust crate for sending messages to Slack via webhooks.1,582MIT/Apache-2.0 slack-hook2A rust crate for sending messages to Slack via webhooks.73,892MIT/Apache-2.0 slack-hook3A rust crate for sending messages to Slack via webhooks.27,266MIT/Apache-2.0 slack-hookedA rust crate for sending messages to Slack via webhooks.3,249MIT/Apache-2.0 slack-http-clientA Slack HTTP client for Rust1,086MIT slack-http-verifierVerifies HTTP request signatures from Slack5,795MIT slack-logSlack log for sending plain and block messages using Slack webhook2,511MITDevelopment tools::Debugging slack-markdown-converterA Rust library for converting standard Markdown to Slack mrkdwn format.375MITText processingWeb programming slack-messagingSupport building Slack Block Kit message174,765MIT slack-messaging-deriveMacros 1.1 implementation of #[derive(Builder)] for slack-messaging crate4,495MIT slack-morphismSlack Morphism is a modern client library for Slack Web/Events API/Socket Mode and Block Kit3,893,208Apache-2.0API bindings slack-morphism-hyperSlack Morphism Hyper/Tokio support library74,035Apache-2.0API bindings slack-morphism-modelsSlack Morphism Models94,043Apache-2.0API bindings slack-pastePaste stdin to slack1,620non-standard slack-rsA Slack CLI tool with OAuth authentication, profile management, and API access593MITAPI bindingsCommand line utilities slack-rustSlack API Client7,150Apache-2.0Web programming::HTTP clientWeb programming::WebSocket slack-rust-rsSlack API Client60,998Apache-2.0Web programming::HTTP clientWeb programming::WebSocket slack-summarizerSlack Summarizer is a handy CLI tool for summarizing recent messages in Slack. It allows you to easily catch up on what's…2,600MITCommand line utilities slack-verifyVerify Slack requests4,291MITAuthentication slack-voltA Bolt-style framework for building Slack apps in Rust66Apache-2.0 slack-volt-lambdaAWS Lambda adapter for slack-volt28Apache-2.0 slack-web-apiSlackWebAPI for Rust3,051MIT slack-with-typesslack-with-types offers a client to the Slack Web APIs.1,329BSD-3-Clause slack2slack realtime messaging client: https://api.slack.com/bot-users801Apache-2.0 slack_apiInterface for the Slack Web API167,437Apache-2.0 slack_client_rssimple slack client to post block messages with a callback url.22,906MIT slack_cmd_coreTurns slack chat into a terminal using your own handlers5,343MIT OR Apache-2.0 slack_cmd_handlersFew prepared handlers for slack_cmd_core5,982MIT OR Apache-2.0 slack_manage_cliSlack CLI utils for managing users1,751Apache-2.0 OR MIT slack_mojidraw ASCII text as bitmaps using Slack emoji3,170GPL-3.0 slack_statussimple app to set Slack status and emoji2,662WTFPL slack_updatesimple app to set Slack status, emoji and photo7,728WTFPL slackarcUtility allowing easily define global Arc objects, lazyly initialized on demand837non-standard slackbotSlack bots made easy5,288MIT slackerSlacker server built on top of tokio.17,225MIT/Apache-2.0 slackoComprehensive Rust SDK for the Slack API with stealth mode support203MITAPI bindingsWeb programming slackrRust library for managing Slack API.2,770Apache-2.0 slackrbotLibrary for easily creating Slack bots2,472Apache-2.0 slackrsProvides a CLI and library functions to analyze Slack message data exports (zipped JSONs with a Slack-specific structure) and…807Apache-2.0Command line utilitiesVisualization slacktorSlacktor is an extremely fast, bare-bones, low-overhead, supervisorless, no-std actor library.7,835MIT OR Apache-2.0 slacktusSmall binary utility for updating the slack status from the terminal. I use it for my pomodoro app.8,598Apache-2.0 slacs-coreAn editor for the extensible.2,033GPL-3.0 slaflingFling messages to Slack79MITCommand line utilities slagRust without braces or semicolons4,613MIT slagalicaAn exhaustive program for resolving a problem on Serbian TV1,373MIT OR Apache-2.0 slahasherHashing functions404MIT slaiCross-platform GPU LLM inference.317Apache-2.0 slam-cvSimple CV traits for VO (SLAM).6,547BSD-3-Clause slam-rsslam-rs1,548MIT slam-viewerSimple wgpu based SLAM map viewer.4,250BSD-3-Clause slamburgerA simple, learnable SLAM library for WebAssembly1,596MIT slamkit-rsA Rust library for implementing SLAM systems239MITComputer visionScience::Robotics slamwich3D LiDAR SLAM: GICP scan matching, pose graph optimization, loop closure29MITAlgorithmsScience::Robotics slancha-wireMagic-wormhole for AI agents — bilateral signed-message bus over a mailbox relay741AGPL-3.0-or-later AND Apache-2.0 AND MITCommand line utilitiesCryptography slangSafe Rust bindings for the Slang shader language compiler5,101MIT/Apache-2.0 slang-cliAcronym search CLI1,610MIT slang-halAbstractions for running Slang shaders with Rust.2,970MIT OR Apache-2.0 slang-hal-buildBuild script utilities for compile-time Slang shader compilation1,452MIT OR Apache-2.0 slang-hal-deriveProc-macro for Slang shaders.2,866MIT OR Apache-2.0 slang-rsRust bindings for the Slang Verilog parser593,297Apache-2.0 slang-sv-rsPure-Rust subprocess wrapper around the slang SystemVerilog compiler CLI.448MIT OR Apache-2.0 slang-sysFFI bindings to slang5,723MIT/Apache-2.0 slang_solidityA modular set of compiler APIs empowering the next generation of Solidity code analysis and developer tooling. Written in Rust…66,194MITCompilersDevelopment tools slang_solidity_cliThis crate contains the 'slang_solidity' CLI/cargo binary. Please see the 'slang_solidity' crate for more information.5,023MITCompilersDevelopment tools slang_structMacro that converts Slang style struct definitions into rust structs2,100MIT slangmake-sysRaw FFI bindings to slangmake (https://github.com/EvanLuo42/slangmake)10MITExternal FFI bindingsGraphics slankA build.rs slang shader compiler35MIT OR Apache-2.0 slantSimulator for Large Ad hoc Network Topologies28non-standardSimulation slant-animslant is a mathematical sandbox focused on interactive visualizations and animations.1,427Apache-2.0Mathematics slant-coreslant is a mathematical sandbox focused on interactive visualizations and animations.1,758Apache-2.0Mathematics slap-cliPainless shell argument parsing and dependency check.8,935MIT OR Apache-2.0Command-line interfaceCommand line utilities slap-your-laptopslap-your-laptop - Detect MacBook slaps and shakes via built-in accelerometer66MIT slap-your-openclawslap-your-openclaw - Detect MacBook slaps and trigger OpenClaw roast events25MIT slapdashA simple dashboard server2,623CC-BY-NC-4.0Command line utilitiesGUI slapsInteractive shell interface using your existing Clap/StructOpt config5,489WTFPLCommand line utilities slapyA much faster scapy2,310non-standard slaqA Slack API payload builder and client799non-standard slaq_macrosProc macros for slaq777MIT slasStatic Linear Algebra System7,718Apache-2.0Data structuresMathematics slashHack! Slash!3,172BSD-2-Clause-Patent slash-cmdCLI for the slash-command language21MIT OR Apache-2.0Command line utilities slash-coreOrchestration layer for the slash-command language53MIT OR Apache-2.0Parsing tools slash-files-rsConfigurable Rust file browser with HTMX UI, JSON API, previews, batch operations, and multi-framework adapters.18MITFilesystemWeb programming slash-formatterThis crate provides functions to deal with slashes and backslashes in strings.1,023,034MITNo standard libraryValue formatting slash-langParser and AST for the slash-command language205MIT OR Apache-2.0Parsing tools slash-libExecutor types and high-level API for the slash-command language100MIT OR Apache-2.0Parsing tools slash-testingProptest strategies and harness configuration for testing slash-command language parsers53MIT OR Apache-2.0Development tools::Testing slash-tokensToken budget estimation in 4.8 KB WASM. Sub-millisecond. Zero dependencies.38MITText processingWebAssembly slashcruxShared vocabulary types for the Slash and Crux agentic Rust ecosystem1,626MIT OR Apache-2.0Data structuresDevelopment tools slasher-horrorscriptsA Rust-based CLI tool that displays high-quality ANSI art of horror movie icons in your terminal242MITCommand line utilities slashercA programming language for school, built in Rust.20MIT slashesA /// interpreter written in Rust2,768MIT slashiesSlashies helps to reduce the boiler plate code needed to create slash commands for a Discord bot.5,745MIT slashies-macrosProvides the derive macros for the slashies crate3,906MIT slashmailCLI for searching, managing, and bulk-operating on emails via IMAP113MIT OR Apache-2.0Command line utilitiesEmail slashookA webhook-based Discord slash command library6,978MIT OR Apache-2.0API bindings slashook-macrosMacros for slashook5,394MIT OR Apache-2.0Development tools slashyAn alternative command framework for serenity5,110MIT slashy_macrosMacros used by slashy4,715MIT slateManage your snippets from your command line.10,412MIT slate-ann-cliCommand-line build/query/bench tool for the Slate-ANN vector search engine14MIT OR Apache-2.0 slate-cliCross-platform terminal beautification kit for macOS and Linux157MITCommand line utilities slate-coreShared types and configuration for the Slate-ANN vector search engine51MIT OR Apache-2.0 slate-frameworkGPU-accelerated Rust UI framework — umbrella crate33MIT OR Apache-2.0GraphicsGUI slate-graphPluggable ANN index backends (HNSW, IVF) with pruning and two-level hybrid search for Slate-ANN29MIT OR Apache-2.0 slate-halA secure, log-structured, authenticated, tamper-evident key-value engine for edge devices22MIT OR Apache-2.0 slate-indexTop-level Slate-ANN index: build pipeline, on-disk format, and public query API19MIT OR Apache-2.0 slate-platformNative window and event-loop abstraction for the slate-framework UI framework126MIT OR Apache-2.0GUIOperating systems slate-pqProduct quantization (training, encoding, ADC tables) for Slate-ANN's approximate RAM tier33MIT OR Apache-2.0 slate-reactiveReactive primitives (signals, memos, effects) for the slate-framework UI framework54MIT OR Apache-2.0GUIRust patterns slate-rendererwgpu-based GPU renderer for the slate-framework UI framework82MIT OR Apache-2.0GraphicsGUI slate-rstranslate file formats + goodies837MIT slate-simdSIMD distance kernels (AVX-512/AVX2/NEON/scalar) with runtime dispatch for Slate-ANN47MIT OR Apache-2.0 slate-storageMemory-mapped disk-resident vector storage, dtype codecs, and HDD I/O scheduler for Slate-ANN33MIT OR Apache-2.0 slate-textNative text shaping and rasterization for the slate-framework UI framework40MIT OR Apache-2.0GraphicsGUI slatecSafe Rust interface to selected SLATEC numerical routines15MIT OR Apache-2.0API bindingsMathematics slatec-bundled-x86_64-pc-windows-gnuTarget-specific SLATEC bundled-provider carrier metadata for x86_64-pc-windows-gnu19MIT OR Apache-2.0External FFI bindingsScience slatec-bundled-x86_64-unknown-linux-gnuTarget-specific SLATEC bundled-provider carrier metadata for x86_64-unknown-linux-gnu19MIT OR Apache-2.0External FFI bindingsScience slatec-coreProvider-neutral no_std types and validation contracts shared by slatec-rs18MIT OR Apache-2.0MathematicsNo standard library slatec-srcImplementation-provider selection and native linking for slatec-rs18MIT OR Apache-2.0External FFI bindingsMathematics slatec-sysUnsafe, provider-neutral Rust declarations for the reviewed SLATEC raw API20MIT OR Apache-2.0External FFI bindingsMathematics slatedbA cloud native embedded storage engine built on object storage.561,300Apache-2.0 slatedb-cliA command-line interface for interacting with SlateDB databases.1,758Apache-2.0 slatedb-commonCommon utilities and types shared across SlateDB.156,657Apache-2.0 slatedb-txn-objTransactional object primitives used by SlateDB.156,500Apache-2.0 slatedb-uniffiUniFFI bindings for SlateDB57Apache-2.0 slaterslatejs schema for rust9,051MIT/Apache-2.0 slauthoath HOTP and TOTP complient implementation53,458MIT slav...1,507CC-BY-SA-4.0 slave-poolSimple thread pool193,124BSL-1.0Concurrency slay-slmSender for the low-latency SLM (SLAY Media) protocol: multicast discovery, UDP frame delivery, and shared-memory transport for…113MIT OR Apache-2.0Multimedia::VideoNetwork programming slay-the-savesSave file parser for Slay the Spire 2121MIT or Apache-2.0 slayerGame repo1,619Apache-2.0 slazyA simple, small, no-std, macro-based lazy static library for Rust.1,498MIT slbSharded load balancing text-streaming Unix tool12,554Apache-2.0Command line utilitiesConcurrency slbitZero-dependency Meaning Observatory packets for verifiable memory, AI traces, and proof UX.110AGPL-3.0-onlyData structuresDevelopment tools slcA work-in-progress program to count SLOC4,322BSD-3-Clause slc_oxideA tiny and fast replay format for Geometry Dash1,319MIT slcanSerial line CAN bus (slcan) interface3,330MIT slcgenA fast Rust reimplementation of a subset of the Silicon Labs slc-cli project generator18MIT sldo-commonShared library for the SunLit Orchestra (SLO) skill-pack tooling — utilities used by sldo-install and sldo-research.108Apache-2.0 OR MITDevelopment tools sldo-installInstaller CLI for the SunLit Orchestra (SLO) /slo-* skill pack — installs into Claude Code, Codex, or GitHub Copilot host roots.46Apache-2.0 OR MITCommand line utilitiesDevelopment tools sldo-researchOptional Claude batch backend for the SunLit Orchestra (SLO) /slo-research skill — produces sourced research dossiers.46Apache-2.0 OR MITCommand line utilitiesDevelopment tools sldtRust client for the Solodit smart contract vulnerability database184MITAPI bindingsCryptography::Cryptocurrencies slecternA String Reader84MIT sledLightweight high-performance pure-rust transactional embedded database.13,446,003MIT/Apache-2.0AlgorithmsCaching sled-extA sled extension(TTL,GET ,INSERT...)1,487MIT sled-extensionsWrappers around the Sled embedded database to permit storing structured data19,490non-standard sled-nativea C-compatible API for sled3,012Apache-2.0 sled-overlayOverlay mechanism for sled35,994AGPL-3.0-only sled-searchUtility functions for searching a `sled::Tree`4,419MIT OR Apache-2.0 sled-tablesStructurized, strongly typed tables for sled to store associated sets of data (Vec/HashSet)7,838Apache-2.0 sled-typedDictionaries stored on the hard disk1,541MPL-2.0 sled-webAn extension of the `sled` crate that allows for accessing a `sled::Tree` via a client/server API using the `hyper` web framework…7,657MIT OR Apache-2.0 sled_bincode_v1Bincode serialization utilities for sled database24MIT OR Apache-2.0Database interfacesEncoding sled_driver_macrosProcedural macros for use the in the sled crate.2,954MIT OR Apache-2.0 sled_synctestable concurrent primitives for the sled database framework44,669MIT/Apache-2.0 sledashslack emoji darkmode shader1,659MIT OR Apache-2.0Command line utilities sledash-magickwandwrapper abstraction of sledash-magickwand-bindgen2,573MIT OR Apache-2.0Command line utilities sledash-magickwand-bindgenFFI of MagickWand3,258MIT OR Apache-2.0Command line utilities sledcliA simple CLI tool to interact with Sled databases2,843GPL-3.0 slededMinimalist API for storing data effortlessly persistently to a file.4,478MIT sledgehammerFast bindings for dom manipulations3,908MITAPI bindingsWebAssembly sledgehammer_bindgenFast batched js bindings1,945,335MITAPI bindingsWebAssembly sledgehammer_bindgen_macroFast batched js bindings1,879,771MITAPI bindingsWebAssembly sledgehammer_utilsUtilities for sledgehammer-bindgen1,933,323MIT sledisan embeddable datastructure store on top of sled2,972AGPL-3.0-or-later sledoviewA CLI tool for viewing and managing SLED database files76MITCommand line utilitiesDatabase interfaces sledteamReserved crate name for the sledteam ecosystem.16non-standard sledteam-cliReserved crate name. Command-line interface for interacting with and controlling sledteam operational workflows.16non-standard sledteam-coreReserved crate name. Core shared types, protocols, primitives, and abstractions used across the sledteam ecosystem.16non-standard sledteam-harnessReserved crate name. Ruleset loading, composition, and execution constraints for sledteam agent environments.17non-standard sledteam-hitchReserved crate name. Bootstrap and coordinate agent groups for a defined sledteam operational workflow.17non-standard sledteam-musherReserved crate name. Human command interface for directing coordinated sledteam agent operations and workflows.17non-standard