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.

segulAn ultrafast and memory-efficient tool for phylogenomics73,857MITCommand line utilitiesScience segv-testMacro to test that a segmentation fault occurs827Apache-2.0 segvecSegVec data structure for rust. Similar to Vec, but allocates memory in chunks of increasing size16,826MIT seherSeher official crate1,806non-standard seher-claude-agent-sdkRust port of anthropics/claude-agent-sdk-python: drive the Claude Code CLI as an agent runtime1,343Apache-2.0 seher-cliSeher CLI: pick the highest-priority coding agent and run a plan/build prompt318Apache-2.0 seher-crA wrapper for the CodeRabbit CLI that automatically retries on rate limit errors43MIT seher-sdkSeher SDK: agent resolution and codexbar-backed rate-limit checks1,728Apache-2.0 sehercodeCLI tool to monitor Claude API rate limits and execute code after reset624Apache-2.0 sehxSEnsible HeXadecimal, the ASCII-synergetic little-endian hexadecimal format.4,179LGPL-3.0-or-later seiA simple parser for .SEI (stacking ePaper image) files.1,731MIT OR Apache-2.0 sei-cosmwasmBindings and helpers for cosmwasm contracts to interact with sei blockchain33,002Apache-2.0 sei-integration-testsCustom module to support integration tests for Sei chain contracts5,678Apache-2.0 seiaMulti-engine web search library32non-standardAPI bindingsCommand-line interface seicheKernel-free, rapier-backed force-directed graph layout: bodies bound to node keys, themable forces (exclusion, springs,…54MIT OR Apache-2.0GraphicsSimulation seidrA Rust GitOps/symlinkfarm orchestrator inspired by GNU Stow.1,784GPL-3.0-onlyCommand-line interfaceCommand line utilities seifyShiny Samples from your Rusty SDR32,357Apache-2.0 seify-hackrfoneFully Rust native HackRF one driver, powered by nusb3,485MITAPI bindings seify-rtlsdrRusty RTL-SDR Driver7,763GPL-3.0 seigiFundamental web UI components written in Rust951MIT seigi_focusLow overhead focus management509MIT seigi_formExtensible form library365MIT seigi_toastUnstyled toast components for web1,119MIT seinState machine experiment1,868MIT seinbot-rsA seinfeld twitter bot using markov chains in rust.8,807MIT seineReserved for Seine: a differentially certified Drools-subset rule engine over Arrow. Use the Python package `seine-rs`; Rust API…13Apache-2.0 seiriSupport library for seiri music manager36,030MIT seiri-cliA tool to visualize and explore the structure of your codebase.25MIT seiro-mcpSeiro MCP is an MCP server focused on spatial computing development. Today it provides tools to safely run visionOS project…134MITCommand line utilitiesDevelopment tools seismicSeismic is designed for effective and efficient KNN retrieval over learned sparse embeddings.2,345MIT seismic-enclaveTools for building and interfacing with the Seismic enclave901MIT seismic-magnitude-kitEarthquake magnitude and energy conversions: moment magnitude from seismic moment, Richter energy, and magnitude-energy scaling.21MIT seismic-responseSeismic response analysis of a single particle system is performed using Newmark's beta method.6,205MIT OR Apache-2.0MathematicsScience seismicdbSeismicDB - Efficient compressed level 2 & tick data storage.3,224MIT seismoA light script for automatically building your Tectonic projects1,505MIT OR Apache-2.0 seiteAI-native static site generator — every page ships as HTML, markdown, and structured data798MITCommand line utilitiesWeb programming seitenA library providing earth aerosol data for night sky watching1,447MIT OR Apache-2.0 seizaStar detection, WCS fitting, and near-field plate solving for astrophotography2,062Apache-2.0Multimedia::ImagesScience seiza-backgroundRobust background and gradient modelling for linear astrophotography images401Apache-2.0Multimedia::ImagesScience seiza-cabiC ABI for Seiza: image processing, plate solving, and catalog setup for native apps27Apache-2.0 seiza-cliCommand-line interface for seiza: star detection, plate solving, and dataset management375Apache-2.0Command line utilitiesScience seiza-deconvolutionConservative linear-image deconvolution experiments for astrophotography401Apache-2.0Multimedia::ImagesScience seiza-downloadAsync download and cache management for published Seiza catalog bundles1,265Apache-2.0CachingScience seiza-fitsFast FITS image I/O, statistics, and MTF autostretch for astrophotography1,593Apache-2.0Multimedia::ImagesParser implementations seiza-imgprocPure-Rust image processing primitives with OpenCV-compatible semantics: Gaussian/median blur, Canny, Otsu, binary morphology,…567Apache-2.0Computer visionScience seiza-satellitesTime- and observer-aware satellite track prediction for Seiza WCS solutions1,583Apache-2.0Science seiza-sourcesAsync acquisition of upstream astronomy catalogs used to build Seiza datasets101Apache-2.0Science seiza-stackingLinear calibration, registration, normalization, and live image stacking for Seiza399Apache-2.0Multimedia::ImagesScience seiza-statsShared robust statistics for astrophotography pipelines423Apache-2.0MathematicsScience seiza-stretchReusable parameterized display stretching for astrophotography pipelines416Apache-2.0Multimedia::ImagesScience seiza-xisfXISF image reading and writing for the Seiza astrophotography toolkit409Apache-2.0Multimedia::ImagesParser implementations seizeFast, efficient, and predictable memory reclamation for concurrent data structures.10,455,537MITConcurrencyMemory management seizuretransformerSeizureTransformer EEG model in Rust (Burn + wgpu)20Apache-2.0MathematicsScience seizuretransformer-rsSeizureTransformer EEG model in Rust (Burn + wgpu)20Apache-2.0MathematicsScience sejongSejong Buffer is a buffer that can receive ASCII bytes different from keyboard and send out UTF-32 Hangul string. This buffer…7,875MITLocalization (L10n)Parsing tools sekGin Baak Sek1,964MIT sekaiObserve emergent behavior in multi-agent systems. Focus is on complex adaptive systems as computation tools.1,912GPL-3.0 sekejapA graph-first, embedded multi-model database engine1,323MITData structuresDatabase interfaces sekejap-cliCLI for the Sekejap embedded graph-first multimodel database557MIT sekiA CLI tool to help parse and aggregate access log data for further analysis.2,569MITCommand line utilities sekibanSekiban (関番) - Kubernetes integrity gating controller23MITCommand line utilitiesDevelopment tools sekiban-coreCore Sekiban Rust domain traits, DTOs, registries, and projection contracts.55Elastic-2.0 sekiban-deriveProcedural derive macros for Sekiban Rust domain declarations.20Elastic-2.0 sekiban-executorHTTP executor client for serialized Sekiban WASM runtime endpoints.20Elastic-2.0 sekiban-mvMaterialized-view WASM boundary contracts for Sekiban Rust modules.20Elastic-2.0 sekiban-wasmWASM export boundary helpers for Sekiban Rust projection modules.31Elastic-2.0 sekienMermaid-to-SVG renderer using OS-native WebView — CLI and Rust library (render_stream).259MIT OR Apache-2.0Command line utilitiesVisualization sekireiUSI shogi engine binary (Sekirei)109MIT OR Apache-2.0 sekirei-benchBenchmarks for the Sekirei shogi engine115MIT OR Apache-2.0 sekirei-coreShogi engine core library — speculative parallel search and NNUE-style evaluation214MIT OR Apache-2.0 sekirei-csaCSA/floodgate client for the Sekirei shogi engine108MIT OR Apache-2.0 sekirei-match-runnerUSI-vs-USI match manager for Sekirei shogi engine testing112MIT OR Apache-2.0 sekirei-trainNNUE training pipeline for the Sekirei shogi engine128MIT OR Apache-2.0 sekiroRaw structures and bindings for From Software's title Sekiro: Shadows Die Twice149MIT OR Apache-2.0 sekkeiSekkei (設計) — canonical OpenAPI 3.0 serde types, multi-format loading, and ref resolution30MITParsing toolsWeb programming sekritEncrypt any file, decrypt anywhere. File encryption that doesn't suck.419MITCommand line utilitiesCryptography sekuireThe official SDK for the Sekuire Agent Identity Protocol21Apache-2.0API bindingsAuthentication sekuire-agent-cliCLI for the Sekuire Agent Identity Protocol15Apache-2.0AuthenticationCommand line utilities sekuire-cliCLI for the Sekuire Agent Identity Protocol22Apache-2.0AuthenticationCommand line utilities sekuire-protocolShared protocol types for the Sekuire Agent Identity Protocol125Apache-2.0AuthenticationData structures sekuire-sdkThe official SDK for the Sekuire Agent Identity Protocol18non-standardAPI bindingsAuthentication selQuery Selector for HTML Files / Pipes3,340non-standard sel-rsSelect slices from text files by line numbers, ranges, positions, or regex72MIT OR Apache-2.0Command line utilitiesText processing sel4High-level Rust interface to the seL4 kernel18,891MIT OR Apache-2.0 sel4-startCrate defining the entry point to the initial thread on seL444,163MIT/Apache-2.0 sel4-sysRust interface to the seL4 kernel76,695MIT/Apache-2.0 sela-sela1A test crate.13MIT sela-sela2A test crate.12MIT sela-sela3A test crate.14MIT selahAI-native screenshot capture, annotation, and redaction library for AGNOS169GPL-3.0-onlyMultimedia::Images seldereeBuild a decision tree from many CSS selectors to quickly find which ones match an HTML element41MITData structuresParsing tools seldom_fn_pluginAllows using Rust functions in place of Bevy plugins40,446MIT OR Apache-2.0Game development seldom_interopInteroperability traits for Bevy components9,625MIT OR Apache-2.0Game development seldom_map_navBevy plugin that does navmesh generation, pathfinding, and navigation for tilemaps. Navmesh generation is available without Bevy…12,350MIT OR Apache-2.0Game development seldom_pixelBevy plugin for limited color palette pixel art games14,270MIT OR Apache-2.0Game development seldom_pixel_macrosMacros for `seldom_pixel`3,804MIT OR Apache-2.0Game development seldom_singletonHelper `SystemParam` for when you have a resource containing a handle3,955MIT OR Apache-2.0Game development seldom_stateComponent-based state machine plugin for Bevy. Useful for AI, player state, and other entities that occupy various states.38,413MIT OR Apache-2.0Game development selectA library to extract useful data from HTML documents, suitable for web scraping.1,705,869MIT select-htmlExtract HTML using CSS selectors in the command-line.4,008AGPL-3.0-or-later select-macroWaits on multiple concurrent branches.5,586MIT select-macro-utilsWaits on multiple concurrent branches.5,045MIT select-next-anyAlternative to futures::StreamExt::select_next_some that returns the None variant7,931MIT select-random-fastxSelect random entries from fastx files2,664BSD-2-Clause select-rsA POSIX select I/O Multiplexing Rust library.3,986MIT select-rustcConditional compilation according to rustc compiler version186,288MIT OR Apache-2.0 select_colorA library for color selection90,867MIT select_indicesIterators for taking multiple shared/exclusive references from a slice11,793MPL-2.0ConcurrencyRust patterns selectaThis is not Selecta in Rust. Please see https://github.com/felipesere/icepick4,726MIT selecta_scoreA Rust implementation of the Selecta scoring algorithm.5,914MIT selectablesLock-free channels with a unified select! macro for recv and send arms117MIT OR Apache-2.0AlgorithmsConcurrency selectel-mksRust SDK for the Selectel Managed Kubernetes Service.7,226MIT OR Apache-2.0API bindings selectel-mks-cliCLI for the Selectel Managed Kubernetes Service.1,631MIT OR Apache-2.0 selecticSelectic is a Rust library that provides a cross-platform way to retrieve user-selected content from the operating system.…850MIT selectingCross-platform wrapper over select50,477BSL-1.0AsynchronousNetwork programming selectionGet the text selected by the cursor21,017GPL-3.0-onlyGUI selection-captureSync, cancellable selected-text capture engine with strategy-aware fallbacks131MIT OR Apache-2.0API bindingsOperating systems::macOS APIs selection_sortSelection sort algorithm4,245MIT selective-disclosure-jwtSelective Disclosure JWTs5,018GPL-3.0-only selective_assertionsMacros for asserting equality of structs with the flexibility to exclude or focus on specific fields.3,280MIT selective_middlewareSelective middleware for Iron applications6,074non-standard selectmeA fast and fair select! macro for asynchronous Rust.22,041MIT/Apache-2.0AsynchronousConcurrency selectme-macrosA fast and fair select! macro for asynchronous Rust.23,054MIT/Apache-2.0AsynchronousConcurrency selectoorAn easy-to-use CLI tool to generate optimal function selectors for Solidity smart contracts1,590MIT OR Apache-2.0 selectorSimple terminal application which lets the user select between its input arguments and prints out the the selected choice.5,434MPL-2.0Command line utilities selectorsCSS Selectors matching for Rust57,566,702MPL-2.0 selectors-bloomBloom filter used in the selectors crate2,424MPL-2.0 selectrs🔽 A highly customizable select component for WASM frameworks like Yew, Dioxus, and Leptos.2,353MITScienceWeb programming selenConstraint Satisfaction Problem (CSP) solver7,814MITAlgorithmsData structures selendra_clientThis crate provides a Rust application interface for submitting transactions to `selendra-node` chain.72Apache-2.0API bindingsCryptography::Cryptocurrencies seleneA blazing-fast modern Lua linter written in Rust132,420MPL-2.0Command line utilities selene-coreselene-core is the backend for Selene, a local-first music player437MITMultimedia::Audio selene-daemonOfficial music player daemon for Selene293MITMultimedia::Audio selene-db-algorithmsGraph algorithms for selene-db (projection, structural, pathfinding, centrality, community)590MIT OR Apache-2.0 selene-db-coreFoundation types for the selene-db ISO/IEC 39075:2024 GQL property graph engine.647MIT OR Apache-2.0 selene-db-gqlISO/IEC 39075:2024 GQL parser, planner, optimizer, and executor for selene-db.565MIT OR Apache-2.0 selene-db-graphIn-memory property-graph storage core (ArcSwap + imbl CoW, label/typed indexes, write funnel) for selene-db.609MIT OR Apache-2.0 selene-db-persistWAL and snapshot persistence formats for selene-db.626MIT OR Apache-2.0 selene-helius-sdkRust implementation of the Helius API & RPC19,320MITCryptography::Cryptocurrencies selene-libA library for linting Lua code. You probably want selene instead.218,951MPL-2.0Command line utilities selene-plugin-sdkOfficial SDK for making plugins for Selene49MPL-2.0API bindings seleniteA Crate For Post-Quantum Cryptography Certificates Built on PQcrypto15,464MIT OR Apache-2.0Cryptography selenium-rsselenium-rs is a client for the selenium webdriver spec (https://www.w3.org/TR/webdriver1/). It is aimed to simplify behavior…48,203MIT selenium_webdriverA crate to interact with the selenium server and write automated UI scripts and tests11,621Apache-2.0 selepassA Rust crate for password verification and secure access layers.45MITAuthentication selexqcHigh-performance parallel RNA Capture-SELEX library quality control124MITCommand line utilitiesScience selfA test crate.13MIT self-agent-sdkRust SDK for Self Agent ID — on-chain AI agent identity with proof-of-human161BUSL-1.1AuthenticationCryptography self-assessmentA CLI tool that generates a list of pull requests raised and reviewed in the Guardian's GitHub organisation, as well as an…12,906MITCommand-line interfaceCommand line utilities self-awarenessA lightweight, stealth screen-logging daemon for Windows.17MITCommand line utilities self-comparecrate for mutably comparing all elements of a slice with each other8,777non-standard self-encryption-nodejsNodeJS bindings for Self Encryption422GPL-3.0 self-github-updateSelf updates for standalone executables (Github)2,807MIT self-github-update-enhancedSelf updates for standalone executables (Github) with fast git proxy support2,624MIT self-hosted-nodeHeadless manabrew engine node for hosting AI games129AGPL-3.0-or-later self-llmUnified chat API for multiple LLM providers104MIT self-meterA tiny library to measure resource usage of the process it's used in.43,042MIT/Apache-2.0 self-meter-httpA http renderer for self-meter crate, easily pluggable into tokio-based, or tk-http-based. May be plugged in any other…18,524MIT/Apache-2.0AsynchronousNetwork programming self-refAllows the creation of self-referencing structs.5,037MIT self-referenceA Self-Reference Helper16,880non-standardNo standard libraryRust patterns self-replaceUtility crate that allows executables to replace or uninstall themselves10,662,800Apache-2.0 self-runasrun this application with sudo/as admin2,833MIT self-rust-tokenizeTurns instances of Rust structures into a token stream that creates the instance26,900MITRust patterns self-rust-tokenize-deriveTurns instances of Rust structures into a token stream that creates the instance27,550MIT self-signed-certTool to generate self-signed root CA, web server certs and keys4,028MIT self-update-extrasComposable self-update helpers for CLI binaries: throttle, restart, and silence wrappers around any self_update ReleaseUpdate…252Apache-2.0Command line utilitiesDevelopment tools self_cellSafe-to-use proc-macro-free self-referential structs in stable Rust.52,164,547Apache-2.0 OR GPL-2.0-onlyMemory managementRust patterns self_cmdSelf-executing command builder for Rust programs / Rust 程序自执行命令构建器1,294MulanPSL-2.0AsynchronousCommand-line interface self_crypto_keyA library for self-modifying encrypted key storage in binaries36MITCryptographyEncoding self_encryptionSelf encrypting files (convergent encryption plus obfuscation)886,944GPL-3.0 self_sdkAn SDK for interacting with the self network1,513MITEncodingNo standard library self_serviceA microservice chassis for HTTP services1,494MIT self_sovereign_aiA library for building self-sovereign AI systems with decentralized networking and cryptography1,929MIT self_updateSelf updates for standalone executables10,239,885MITCommand line utilities self_update_danger_no_ssl_verifySelf updates for standalone executables. Originally by jaemk, this version has SSL verification removed.2,779MITCommand line utilities self_upgradeSelf upgrade for standalone executables20MIT selfciSelfCI is a minimalistic local-first Unix-philosophy-abiding CI.140MPL-2.0Development tools selfe-arcA simple file archive library, useful for bundling process binaries and configuration files with your seL4 application1,653non-standard selfe-configA seL4 configuration format, managed by a library3,947non-standard selfe-runtimeA tiny runtime library, required for any process which uses libsel4.a2,346non-standard selfe-startCrate defining the entry point to the initial thread on seL42,774MIT/Apache-2.0 selfe-sysA generated thin wrapper around libsel4.a, with supporting subcrates3,167non-standard selfieExperimental, macro-free and allocation-free self-referential structs.8,655MIT OR Apache-2.0No standard libraryRust patterns selfishLisp language for game scripting2,060MIT/Apache-2.0 selfrefSemi-pain-free self-referential pinned types18,575MIT OR Apache-2.0No standard libraryRust patterns selfserv-daemonselfserv daemon1,555MIT selfsimilarA fast generator of discrete self similar random numbers5,229MITAlgorithms selfstackA macro to generate self-referential structs1,734MIT OR Apache-2.0 selfwareYour personal AI workshop — software you own, software that lasts190MITCommand line utilitiesDevelopment tools seli-vector-dbA simple vector database in Rust using an IVF index for approximate nearest neighbor search94MIT OR Apache-2.0 selinuxFlexible Mandatory Access Control for Linux3,442,319MITAPI bindingsFilesystem selinux-cascadeA High Level Language for specifying SELinux policy2,751MIT selinux-sysFlexible Mandatory Access Control (MAC) for Linux3,510,549MITExternal FFI bindingsFilesystem selinux_configfile100% safe Rust parser and writer for /etc/selinux/config with format preservation66MITConfigurationOperating systems::Linux APIs seliumAn extremely developer friendly, composable messaging platform with zero build time configuration.7,308MPL-2.0Network programming selium-abiStreaming compute fabric2,682MPL-2.0Development toolsVirtualization selium-atlasSelium module for indexing and discovering resources with URIs509MPL-2.0Development toolsVirtualization selium-atlas-protocolSelium module for indexing and discovering resources with URIs619MPL-2.0Development toolsVirtualization selium-commonselium-common is a dependent crate of Selium. Do not use directly.1,637MPL-2.0 selium-filesystem-storeStreaming compute fabric216MPL-2.0Development toolsVirtualization