All 305,250 crates, alphabetically

semtree-cliCLI for semtree: index, search, analyze codebases69MITDevelopment toolsText processing semtree-coreCore types for semtree: Language, Span, Node, Chunk452MITDevelopment toolsText processing semtree-embedEmbedding trait and backends (fastembed, openai)338MITDevelopment toolsText processing semtree-parseTree-sitter parsing and chunk extraction for semtree273MITDevelopment toolsText processing semtree-ragRAG pipeline: index, search, and context injection for LLMs200MITDevelopment toolsText processing semtree-storeVector store trait and backends (usearch)268MITDevelopment toolsText processing semtypeReserved for future use by HASH.17MIT OR Apache-2.0 semvalSemantic validation52,646MPL-2.0No standard libraryRust patterns semverParser and evaluator for Cargo's flavor of Semantic Versioning862,895,433MIT OR Apache-2.0Data structuresNo standard library semver-4-winresParser of SemVer for use with winres.69Apache-2.0 semver-analyzerDeterministic semantic breaking change analyzer for TypeScript/JavaScript65Apache-2.0 semver-analyzer-coreCore types, traits, and diff engine for the semver-analyzer315Apache-2.0 semver-analyzer-javaJava support for the semver-analyzer59Apache-2.0 semver-analyzer-konveyor-coreShared types and utilities for Konveyor rule generation208Apache-2.0 semver-analyzer-llmLLM-based behavioral analysis for the semver-analyzer128Apache-2.0 semver-analyzer-tsTypeScript/JavaScript support for the semver-analyzer123Apache-2.0 semver-binarySemantic version manipulation application.1,895MIT/Apache-2.0 semver-bumpA command-line tool for bumping semver-compliant version numbers6,313Parity-7.0.0Command line utilitiesDevelopment tools::Build Utils semver-bump-traitProvides the SemverBump trait for semver::Version.1,535MIT OR Apache-2.0 semver-cargoA SemVer-Release plugin for updating and publish cargo project releases.121MITCommand line utilitiesDevelopment tools semver-checksPlaceholder for components of the cargo-semver-checks project.1,861Apache-2.0 semver-cliA Rust CLI application for working with the semver specification8,282MIT semver-cli-checkcli util to validate semver11,362MIT semver-cli2CLI to manipulate semver specs1,528MIT semver-commonCommon library to use for semantic release core and plugins.959MIT OR Apache-2.0Command line utilitiesDevelopment tools semver-diffFind the release-type difference between two semantic versions (major/minor/patch and their prerelease variants). A faithful Rust…30MIT OR Apache-2.0Development toolsParsing tools semver-eqParser and evaluator for Cargo's flavor of Semantic Versioning2,322MIT OR Apache-2.0Data structuresNo standard library semver-explainCLI tool to understand SemVer requirements by converting them to less-than, greater-than and/or equal-to form.6,625MITCommand line utilities semver-extraHelper functions for the semver crate, complete with a CLI tool.9,618MITCommand line utilitiesDevelopment tools::Build Utils semver-macroA proc-macro for semver::Version4,252MITParsing tools semver-normalizationNormalize semver requirements to simplest form, perform intersections1,206MIT OR Apache-2.0 semver-parserParsing of the semver spec.177,826,946MIT/Apache-2.0Development toolsParsing tools semver-phpComposer semver parsing and constraint matching for Rust95MITDevelopment toolsParser implementations semver-querysemantic versioning data query tool719MITCommand line utilitiesDevelopment tools semver-ratchetForward-only versioning for Trunk-Based Development478MITDevelopment tools semver-releaseA simple semantic versioning tool. Can be used in a release workflow as a command line tool with plugins.375MIT OR Apache-2.0Command line utilitiesDevelopment tools semver-storeAn HashMap structure that uses semver strings as keys.3,235MITCachingData structures semver-toolA tool for validating and incrementing semver strings in scripts.1,601non-standard semver-trickExample of applying the semver trick to prevent a difficult coordinated upgrade6,156MIT/Apache-2.0 semver-utilcommand line utility for working with semantic versions7,294MITCommand line utilities semver2Semantic version parsing and comparison.1,799MIT/Apache-2.0Development toolsParser implementations semver_checks_demoA demo Rust library for semver checking in CI63MIT OR Apache-2.0 semver_constraintsMore robust and nuanced semantic version constraints.5,174MITDevelopment toolsParsing tools semver_extUtility crate for semver1,481MIT semver_rsSemantic version parsing and comparison based on NPM's node-semver package.18,285non-standard semver_sortSorts semver strings or numbers7,397MIT semveratorA command line tool for working with semantic versioning (libpkgx implementation)21,264Apache-2.0Command line utilities semvercliA thin command line interface over the semver crate1,782Apache-2.0Command line utilitiesDevelopment tools::Build Utils semverqa cli tool for accessing semver structure1,539MIT semververAutomatic verification of SemVer adherence in Rust library crates76,121non-standardDevelopment toolsDevelopment tools::Cargo plugins semververforkAutomatic verification of SemVer adhrence in rust library crates25,338non-standardDevelopment toolsDevelopment tools::Cargo plugins semwaveStatic analysis tool for semver bump propagation in Cargo workspaces146MITDevelopment tools::Cargo plugins semx_bitops位操作原语与动态大小位图5,996Apache-2.0Data structuresEmbedded development semx_bsp对应硬件板级定义8,124non-standard semx_bsp_data板级数据定义2,903Apache-2.0 semx_bsp_define微内核 BSP 硬件配置 trait 定义140Apache-2.0Embedded developmentHardware support semx_bst对应硬件板级定义1,634non-standard semx_const_sizes提供友好可读的常量大小87Apache-2.0Embedded developmentMemory management semx_cpumaskCPU 位掩码，支持原子操作与迭代275Apache-2.0Data structuresNo standard library semx_entry为对应架构定义汇编入口以及异常入口18,758Apache-2.0 semx_init初始化阶段标记宏，buddy 初始化后可回收对应段内存14Apache-2.0 semx_init_macros初始化阶段标记宏，buddy 初始化后可回收对应段内存18Apache-2.0 semx_mklinker为对应架构生成链接脚本14Apache-2.0 semx_processor对应处理器相关的操作3,308non-standard semx_randxoshiro256++ 伪随机数生成器858Apache-2.0AlgorithmsNo standard library semx_rtseminix runtime — 板级数据定义 + 启动汇编注入（aarch64 / riscv64）41Apache-2.0 semx_rt_define架构相关常量定义（aarch64 / riscv64）267Apache-2.0 semx_rt_macrosseminix runtime — 板级数据定义 + 启动汇编注入（aarch64 / riscv64）61Apache-2.0 semx_target_defineseminix 项目统一管理跨平台编译器 target 三元组159Apache-2.0No standard library semx_task_definetask 结构定义141Apache-2.0 semx_unsafe_listLinux 风格侵入式双向链表86Apache-2.0Data structuresNo standard library semxlinker为对应架构生成链接脚本18Apache-2.0 semxlinker_std为对应架构生成用户态链接脚本18Apache-2.0 senScript to System CLI Engine - A type-safe, macro-powered CLI framework666MIT OR Apache-2.0Command-line interfaceDevelopment tools sen-plugin-apiWIT-generated API types for sen-rs plugin system227MIT OR Apache-2.0 sen-plugin-hostWasm plugin host runtime for sen-rs CLI framework43MIT OR Apache-2.0 sen-plugin-sdkSDK for creating Wasm plugins with minimal boilerplate42MIT OR Apache-2.0 sen-rs-macrosProc macros for SEN CLI framework763MIT OR Apache-2.0Command-line interfaceDevelopment tools sen0177Read air quality data from the SEN0177 and PMSA003I sensors9,005Apache-2.0Embedded developmentHardware support sen5xRust driver for the Sensirion SEN5x series. All-in-one sensor solution platform for the accurate measurement of various…1,570MIT OR Apache-2.0Embedded developmentNo standard library sen5x-rsembedded-hal driver for the sen5x environmental sensor node for HVAC and air quality applications.5,513MIT OR Apache-2.0Embedded developmentNo standard library sen66-interfaceAn I2C driver for the SEN66 sensor in Rust.1,184MIT OR Apache-2.0Embedded developmentNo standard library sen6xA rust no-std driver for the SEN6X sensor modules.2,687MIT OR Apache-2.0Embedded developmentNo standard library sen6x-driverembedded-hal driver for the sensirion sen6x sensors57MITEmbedded developmentNo standard library sen6x-loggerMeasurement Logging Utility for the Sensirion SEN6x41MIT OR Apache-2.0Command line utilities sen6x-macrosProcedural macros for the sen6x-rs driver83MIT senaLibrary for composable event handlers3,683MIT senaxSenax Web Server Code Generator35,774MIT OR Apache-2.0Database interfaces senax-actix-sessionSenax actix session library12,849MIT OR Apache-2.0 senax-commonSenax common library37,466MIT OR Apache-2.0 senax-encoderA fast, compact, and schema-evolution-friendly binary serialization library for Rust.8,822MIT OR Apache-2.0Encoding senax-encoder-deriveA fast, compact, and schema-evolution-friendly binary serialization library for Rust.6,046MIT OR Apache-2.0 senax-inflectorPluralizes and singularizes English nouns. This crate is forked from https://github.com/whatisinternet/Inflector.3,523BSD-2-Clause senax-linkerSenax linker4,449MIT OR Apache-2.0 senax-loggerSenax logger9,722MIT OR Apache-2.0 senax-macrosSenax macros4,050MIT OR Apache-2.0 senax-mysql-parserMySQL parser for Senax. This library is forked from https://github.com/ms705/nom-sql .9,827MIT senax-pgsql-parserPostgreSQL database schema parser and DDL generator with PostGIS support356MIT OR Apache-2.0Database interfacesDevelopment tools senbaA fast, single-threaded cache using the sharded SIEVE policy.67MITCachingData structures senbay-rsEncode and decode the Senbay format.69Apache-2.0EncodingMultimedia::Video senchaRSS feed downloader1,570MITCommand line utilities sendThis program lets the user type in input and sends it to either external command or piped-stdout13,950non-standardCommand line utilities send-arcimpl<T: Sync> Send for SendArc<T>87MITNo standard library send-cellImmutable memory region with runtime Send checking21,065MITConcurrency send-futureErgonomic and performant fix for https://github.com/rust-lang/rust/issues/968651,944,495MIT OR Apache-2.0 send-itA tool for sending large amounts of data over a stream or network.10,635MITNetwork programming send-mailsend email command tool.2,647MIT/Apache-2.0 send-reqwestReads from `stdin` and sends for each line a get request.1,563non-standard send-smsCommand-line interface for sending SMS via FreeMobile API409Apache-2.0Command line utilities send-sync-staticThis crate fulfills the simple purpose of marking a type as Send, Sync, and 'static1,517Apache-2.0 send-to-kindleA command-line utility and library for sending files to your kindle app or device by (ab)using the www.amazon.com/sendtokindle…4,577Apache-2.0Command line utilitiesWebAssembly send-tuitA minimal terminal UI for P2P file transfers via iroh88MITCommand line utilitiesNetwork programming send2kindle`send2kindle` is a command-line utility to send documents to your Kindle.537MIT send_cellsSafe and unsafe cells implementing Send/Sync2,738MIT OR Apache-2.0ConcurrencyRust patterns send_ctrlcA cross platform crate for sending ctrl-c to child processes5,395MIT OR Apache-2.0Operating systems send_discordVERY Simple binary for sending discord webhooks3,213MIT send_emailA simple email sender4,456GPL-2.0-or-later send_glitchRead jsonlines from stdin, write messages to matrix.org5,326MIT OR Apache-2.0 send_slacksend message to slack in windows1,490MIT send_with_usAsync Rust client for the SendWithUs transactional email API5,161MITAPI bindingsAsynchronous send_wrapperThis Rust library implements a wrapper type called SendWrapper which allows you to move around non-Send types between threads, as…45,955,181MIT/Apache-2.0Rust patterns sendableSubstitutes for Rc and Option that facilitate sending data between threads.17,427Apache-2.0/MIT sendable-swapvecA Vector swapping to disk after exceeding a given length2,667MIT sendbackSend files back through your SSH session via reverse tunnel43MITCommand line utilitiesNetwork programming sendblueSendBlue is a Rust library that provides an API client for interacting with the SendBlue REST API, enabling businesses to…5,414MIT OR Apache-2.0API bindingsAsynchronous sendbyte-sdkAn unofficial Rust SDK for SendByte, the email API for Africa.20MITAPI bindingsEmail sendcipherCommand line interface for encrypted file sharing at sendcipher.com77MIT sendcipher-commonCommon types for the public API at sendcipher.com90MIT sendcipher-coreCore library for encrypted file sharing at sendcipher.com124MIT sendemailA Rust CLI tool for sending templated HTML emails via SMTP with batch processing, mail merge, and multi-profile support.42GPL-3.0Command line utilitiesEmail sendenvQuickly and securely share `.env` files using 1Password1,190MITAuthenticationConfiguration sender-sinkUtility classes for working with tokio UnboundedSender and the Sink trait.19,177MIT senders_receiversSenders/Receivers implementation for Rust.7,216BSD-2-ClauseAsynchronousConcurrency sendfdSend file descriptors along with data over UNIX domain sockets13,882,347Apache-2.0 OR BSD-3-Clause sendfd-newSend file descriptors along with data over UNIX domain sockets80,205Apache-2.0 OR BSD-3-Clause sendfileSendfile is a wrapper around the sendfile(2) system call.12,130MITAsynchronousWeb programming sendfullySendfully Rust SDK20MITAPI bindings sendgridAn unofficial client library for the SendGrid API2,511,090MIT sendgrid-apiA fully generated & opinionated API client for the SendGrid API.178,704MIT sendgrid-asyncAn async-std based client for sending emails with SendGrid47,532Apache-2.0API bindingsAsynchronous sendgrid-cliAgent-friendly command-line interface for the SendGrid v3 API: search, describe, dry-run, and safely invoke all 391 operations.…33MIT OR Apache-2.0Command line utilitiesEmail sendgrid-coreTyped, validated Rust client for the SendGrid v3 API — all 391 operations, generated from the official OpenAPI spec. The runtime…55MIT OR Apache-2.0API bindingsEmail sendgrid-flowsSendGrid integration for flows.network4,461MIT/Apache-2.0 sendgrid-mcpModel Context Protocol (MCP) server exposing all 391 SendGrid v3 API operations to AI agents through a search → describe → invoke…45MIT OR Apache-2.0API bindingsEmail sendgrid-rsA "no batteries included", "no assumptions made" wrapper around SendGrid's mail API4,476MIT OR Apache-2.0API bindings sendgrid-wasiAn unofficial client library for the SendGrid API2,164MIT sendgrid2Sendgrid client, generated from the OpenAPI spec.4,983MIT sendgrid_thinA small unofficial library to send emails using Sendgrid.22,849MITAPI bindings sendgrowlSend notifications to Growl with multiple host and port support24MIT sendifyAn unsafe crate to wrap a reference to make it Send + Sync.4,193MIT sendinblueSendinBlue's API v3 Rust unofficial Library6,368MIT sendinblue-v3SendinBlue provide a RESTFul API that can be used with any languages. With this API, you will be able to : - Manage your…5,208MIT senditHigh-level library for creating PRs (e.g. GitHub) with Rust.102MIT OR Apache-2.0 sendkeys-rsA macro to send keystrokes using the windows crate2,651MIT OR Apache-2.0 sendkitRust SDK for the SendKit email API166MITAPI bindingsEmail sendlyOfficial Rust SDK for the Sendly SMS API887MITAPI bindingsWeb programming sendmailRust sending emails via sendmail. Works nicely with Iron Framework using form Posts.23,618non-standard sendmeA cli tool to send directories over the network, with NAT hole punching32,468Apache-2.0 OR MITNetwork programming sendmerA cli tool to send directories over the network, with NAT hole punching293Apache-2.0 OR MITNetwork programming sendmuxOfficial async Rust SDK for the Sendmux Sending, Mailbox, and Management APIs.37MITAPI bindingsEmail sendoutA library for sending emails from you application72MPL-2.0Email sendpacketHigh-level library for interacting with low-level network data.3,365MIT OR Apache-2.0 sendpkt-rssend tcp packet from cli2,932non-standard sendptrConvenient cross-thread raw pointer usage / 方便跨线程用裸指针3,366MulanPSL-2.0ConcurrencyData structures sendpulseSecure, typed, and deliverability-aware Rust SDK for SendPulse40MIT OR Apache-2.0API bindingsEmail sendryOfficial Rust crate for the Sendry email API40MITAPI bindingsEmail sendspinHyper-efficient Rust implementation of the Sendspin Protocol for synchronized multi-room audio streaming1,067MIT OR Apache-2.0 sendstream_parserParser for BTRFS sendstreams5,535MIT sendwordSimple HTTP webhook to command runner sidecar. Frontend for managing hooks, JSON state for config portability, SQLite for…34MITCommand line utilitiesWeb programming::HTTP server sendxmppSend XMPP messages from the command line.8,612AGPL-3.0-or-later sendy-sdkRust SDK for the Sendy API.14MITAPI bindingsWeb programming::HTTP client senecaKafka-compatible message broker written in Rust527Apache-2.0 sengledTiny API wrapper over Sengled smart devices2,719MIT senhasegura-rsSenhasegura API client for Rust5,055MIT senilesenile35,016MITCommand line utilities seniorA cli that summons an llm suggest improvements to given code3,357Apache-2.0 OR MITCommand line utilities senioriousA implementation of chtholly tree in rust1,483MIT senippetLocalized knowledge asset management tools. Easy to use.534MIT senkaCLI-first HTTP execution and inspection engine with environment/secret management and SQLite logging80MIT OR Apache-2.0Command line utilitiesWeb programming::HTTP client senka-coreCLI-first HTTP execution and inspection engine with environment/secret management and SQLite logging194MIT OR Apache-2.0Command line utilitiesWeb programming::HTTP client senka-runnerCLI-first HTTP execution and inspection engine with environment/secret management and SQLite logging131MIT OR Apache-2.0Command line utilitiesWeb programming::HTTP client senka-secretsCLI-first HTTP execution and inspection engine with environment/secret management and SQLite logging132MIT OR Apache-2.0Command line utilitiesWeb programming::HTTP client senka-storeCLI-first HTTP execution and inspection engine with environment/secret management and SQLite logging135MIT OR Apache-2.0Command line utilitiesWeb programming::HTTP client senka-tuiCLI-first HTTP execution and inspection engine with environment/secret management and SQLite logging90MIT OR Apache-2.0Command line utilitiesWeb programming::HTTP client senlLua-powered CLI framework with Rust host (mlua + clap)203MITCommand-line interfaceDevelopment tools senml-deserLibrary for serialization and deserialization using SenML specifications10,820OLFL-1.3Embedded developmentNo standard library sennetIndependent, permissively licensed mesh radio protocol implementation in the retinue family.26MPL-2.0Embedded developmentNetwork programming senoA fast Progress Bar Placeholder Tool25non-standard senor_borrosoFuzzy (approximate) search for NLP tasks in any language1,560MPL-2.0 senpaA library to parse OPNsense firewall logs2,164MIT senpaiWill you notice me Single Producer Multi Consumer-kun?1,592MIT/Apache-2.0 senpromptLocalized knowledge asset management tools. Easy to use.539MIT senpyThe Senpy Club API Wrapper6,464GPL-3.0-onlyAPI bindingsWeb programming senpy-ffiFFI bindings for senpy-rs3,481GPL-3.0-onlyAPI bindingsWeb programming senrenSenRen is a command-line LIDAR toolkit for robotics and prototyping, featuring fast monitoring, simulation, and real-time…421MITCommand line utilitiesEmbedded development sensA sensitivity conversion tool for terminal nerds.537MIT sens-o-maticBackend API server for coordinating spontaneous group meetups43MITWeb programming::HTTP server sensdThe ultimate data logger and control system1,491GPL-2.0-onlyEmbedded developmentScience senseExecution engine for Gale, the malleable computational medium3,000NOASSERTION senseairProtocol implementations to communicate with Senseair devices5,535Apache-2.0Embedded developmentNo standard library