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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.

spider_skillsSkills and automation tactics for spider rust projects3,209MIT Web programming Web programming::HTTP client spider_transformationsTransformation utils to use for spider693,161MIT Command line utilities Web programming spider_utilsUtilities to use for Spider Web Crawler.816,031MIT Command line utilities Web programming spider_workerThe fastest web crawler as a worker or proxy.1,583,745MIT Web programming spidermanRust Task Runner1,633MIT OR Apache-2.0 spiderman-project-managerThe Weaving Project Manager7,266MIT spidermedicA CLI tool for validating pages while crawling a website.25MIT spidermemeTraits to test for type equality and type inequality1,675MIT OR Apache-2.0 Data structures Rust patterns spidermonkey-sysLow level bindings to spidermonkey1,317Apache-2.0 spideroak-base58Base58 encoding and decoding150,594BSD-3-Clause spideroak-cryptoSpiderOak's cryptography library156,369BSD-3-Clause Cryptography No standard library spideroak-crypto-deriveProc macros for `spideroak-crypto`150,876BSD-3-Clause spidersA embedded framework tribe use rust1,325MIT OR Apache-2.0 spiders-bailorSpiders tonic proxy1,253MIT OR Apache-2.0 spiders-schemeSpiders tonic proto1,263MIT OR Apache-2.0 spiderswapSpiderswap is a cutting-edge decentralized exchange aggregator on Solana, providing fast, efficient, and cost-effective token…1,783non-standard spiderwebMIT1,194Apache-2.0 spideryRust SDK for Spidery API.848MIT spidevProvides access to the Linux spidev interface. This interface allows for configuration of the spidev device, half-duplex SPI…6,810,523MIT/Apache-2.0 spidiorA tool for handling sed-like substitution tasks where pesky source code semantics are getting in the way.2,753GPL-3.0 Command line utilities Development tools spidrA simple Rust web scraper3,157GPL-3.0-or-later spidraThe official Rust SDK for Spidra22MIT API bindings Web programming spidriverA library for communicating with a SPIDriver device.4,171MIT spidriver-halImplementations of embedded-hal crates via a SPIDriver device.1,798MIT spidyA fast, customizable CLI tool for testing your internet connection speed using Cloudflare's speed test infrastructure.60MIT spiegelA Rust library for reflection821MIT spielA pure-Rust Spiel format parser, client, and proxy implementation.908MIT OR Apache-2.0 Multimedia::Audio Multimedia::Encoding spielrs_diffIt is a library which compare two direcories or two files asynchronously5,911MIT spiffeCore SPIFFE identity types and Workload API sources1,074,279Apache-2.0 Authentication Network programming spiffe-rsRust port of spiffe-go with SPIFFE IDs, bundles, SVIDs, Workload API client, federation helpers, and rustls-based SPIFFE TLS…46Apache-2.0 Authentication Cryptography spiffe-rustlsSPIFFE-based mutual TLS integration for rustls147,577Apache-2.0 Authentication Network programming spiffe-rustls-tokioTokio-native async accept/connect helpers for spiffe-rustls24,232Apache-2.0 Authentication Network programming spiffyA pure-Rust SPI display rendering library1,528MIT OR Apache-2.0 spigalA simple fixed-length ring buffer implementation, intended to be no-frills and easy to use, especially for embedded applications.6,841MIT Data structures No standard library spigetSpiget client, generated from the OpenAPI spec.1,603MIT spigotparser for valve's keyvalue file format (gameinfo.txt, vmt, etc.)4,026BSD-2-Clause spigot-rsvery barebones wrapper around the spigot XenforoResourceManagerAPI1,526Unlicense spigotflyCommand line tool for downloading spigot plugins5,686Apache-2.0 spikardHigh-performance HTTP framework built on Axum and Tower-HTTP with type-safe routing, validation, WebSocket/SSE support, and…2,793MIT Web programming::HTTP client Web programming::HTTP server spikard-cliCommand-line interface for building and validating Spikard applications626MIT Command line utilities Development tools spikard-codegenCode generation utilities for Spikard832MIT spikard-coreShared transport-agnostic primitives for Spikard runtimes3,569MIT Development tools Web programming spikard-ffiRust-centric multi-language HTTP framework with polyglot bindings570MIT spikard-graphqlGraphQL support for Spikard with async-graphql integration1,611MIT Web programming Web programming::HTTP server spikard-httpHigh-performance HTTP server for Spikard with tower-http middleware stack3,251MIT Web programming Web programming::HTTP server spikeSynchronous web framework, inspired by Axum3,870MIT Network programming Web programming::HTTP server spike-dasm-wrapperRISC-V instruction disassembler based on spike-dasm.3,343MIT OR Apache-2.0 API bindings spike-rsRust bindings for spike1,572MIT spike-sysRust bindings for spike6,855MIT spike_primeWrapper around the SPIKE Prime communication protocol.1,532MIT API bindings Network programming spikefitPeak detection for 1D signals628BSD-3-Clause OR Apache-2.0 Algorithms Science spikeqA synthetic FASTQ record generator with pattern spiking2,199MIT Science spikesDrop-in feedback collection for static HTML mockups58MIT Command line utilities Development tools spikexUltimate zero-copy library for inter-process shared memory15AGPL-3.0-only Concurrency Memory management spikingHigh-performance Cross-platform Low-level Socket I/O for Rust.23MIT spiking_neural_networksA package for designing and simulating biological neural network dynamics with neurotransmission29,373Apache-2.0 Mathematics Science spiko🚀 Spiko is a fast, Rust-based load testing tool with a beautiful TUI for real-time insights.2,755MIT Command line utilities Development tools::Profiling spilloverGeneric, disk-spilling external sort pipelines with pluggable keys, codecs, and deduplication157MIT spillover-bioGenomics-focused disk-spilling sort pipeline for FASTQ/FASTA sequence records97MIT spillwayHigh throughput, safe, async MPSC channel7,034Apache-2.0 Web programming spiloA simple IRC bouncer.1,875GPL-3.0 Command line utilities spimdisasmMIPS disassembler414MIT spinSpin-based synchronization primitives573,924,846MIT spin-cliPlaceholder for Spin CLI1,746Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT spin-contrib-httpBunch of helpers for building HTTP services using Fermyon Spin8,604MIT spin-executorSpin SDK async executor86,056Apache-2.0 WITH LLVM-exception spin-lockA simple spin lock implemented by the standard facilities5,798MIT spin-locksAn Intel hardware-optimized spin lock that uses Hardware Lock Elision (HLE) and a non-CAS based spin lock (an OR lock) as a fast…4,881MIT Concurrency Hardware support spin-macroRust procedural macros for Spin and WASIp3180,558Apache-2.0 WITH LLVM-exception spin-migrateDatabase migration library for Spin WASM applications35MIT OR Apache-2.0 Database interfaces WebAssembly spin-sdkThe Spin Rust SDK makes it easy to build Spin components in Rust.182,044Apache-2.0 WITH LLVM-exception spin-seqFork of the `seqlock` crate that can be used on bare metal.1,502Apache-2.0/MIT spin-simIsing model Monte Carlo: Metropolis, Gibbs, Wolff, Swendsen-Wang, parallel tempering, Houdayer ICM143MIT Science Simulation spin-sqlite-connectionSpin Sqlite Connection abstraction2,952MIT spin-syncSynchronization primitives using spinlock. The interface resembles std::sync. The constructors of public structs are const; i.e.…14,377LGPL-3.0-or-later OR Apache-2.0 OR BSD-2-Clause spin-the-wheelA tool to spin the wheel and select a winner from a set of input4,027Apache-2.0 Command line utilities spin-upA local development orchestrator for discerning developers with impeccable taste43MIT spin-wasip3-httpSpin WASIp3 HTTP SDK686Apache-2.0 WITH LLVM-exception spin-wasip3-http-macroRust procedural macros for Spin and WASIp3681Apache-2.0 WITH LLVM-exception spin4spin4 is an esoteric programming language that uses 4D rotations for computations.4,291MIT spin_freezeCalculate how long to wait for spinner freeze and generate spinner freeze commands3,410MIT OR Apache-2.0 Command line utilities spin_futureConvert synchronous functions into valid but inefficient futures1,782Apache-2.0 OR MIT Asynchronous No standard library spin_loopspin_loop21,770non-standard Concurrency spin_onA simple, inefficient Future executor2,064,819Apache-2.0 OR MIT Asynchronous No standard library spin_sleepAccurate sleeping. Only use native sleep as far as it can be trusted, then spin.2,098,191Apache-2.0 spin_sleep_utilUtils using spin_sleep90,221Apache-2.0 spinachPractical spinner for Rust45,181MIT Command-line interface spinalA 2D animation engine for Spine.2,233MIT OR Apache-2.0 spincellA small, lightweight thread-safe cell implementation targeting no_std environments.548MIT spindalisA bioinformatics-focused library for numerical modeling, optimisation, and simulation written in Rust81MIT spindalis_coreCore polynomial logic for Spindalis package317MIT spindalis_macrosMarco implementations for Spindalis202MIT spindlerayon-based threadpool674,309MIT spindle-libSimple and efficient expression and byte sequence generator for fuzz testing.17,654Apache-2.0 Algorithms Development tools::Testing spindle_dbA db backend for `spindle`: ergonomic GPGPU data parallel computing in Rust.6,194Apache-2.0 OR MIT spindle_macrosA macro backend for `spindle`: ergonomic GPGPU data parallel computing in Rust.10,242Apache-2.0 OR MIT spindle_rsA distributed locking crate built on Cloud Spanner and TrueTime.18,647Apache-2.0 spinePlaceholder for spine workspace3,167MIT spine-abiC ABI bindings for spine-rs18BSD-3-Clause Configuration Development tools::FFI spine-agentAgent interface for SPINE83AGPL-3.0-or-later Asynchronous Network programming spine-agenticThe SPINE Agentic Web Stack - A bioinspired paradigm for agent-native web interaction107AGPL-3.0-or-later Asynchronous Network programming spine-browserAgentic-first web stack for the 21st century — wire-level tool calling, token streaming, capability handshake, W3C tracing, and…17AGPL-3.0-or-later Asynchronous Network programming spine-cacheTiered caching system for SPINE (L1 in-memory, L2 mmap'd, L3 remote)30AGPL-3.0-or-later Asynchronous Network programming spine-cliCommand-line interface for the SPINE agentic web stack17AGPL-3.0-or-later Asynchronous Network programming spine-clusterDistributed agent coordination for SPINE95AGPL-3.0-or-later Asynchronous Network programming spine-compilerCompiler for SPINE Source (HLS) to SPINE Binary (HLB)138AGPL-3.0-or-later Asynchronous Network programming spine-coreCore engine for the SPINE bioinspired agentic browser58AGPL-3.0-or-later Asynchronous Network programming spine-cryptoAdvanced cryptographic primitives for SPINE including transformer prediction and post-quantum key evolution205AGPL-3.0-or-later Asynchronous Network programming spine-dataLoads Spine exported JSON and texture atlas files9,397MIT/Apache-2.0 spine-embeddedMinimal agent runtime for embedded/IoT targets (ARM Cortex-M, ESP32, RISC-V)19AGPL-3.0-or-later Asynchronous Network programming spine-gatewayOpenAPI REST gateway for SPINE — exposes agentic web APIs to non-Rust clients17AGPL-3.0-or-later Asynchronous Network programming spine-gpuGPU-accelerated neural encoding for SPINE30AGPL-3.0-or-later Asynchronous Network programming spine-grpcgRPC/protobuf bridge for SPINE's agentic surface — exposes ToolCall/ToolResult/capabilities/streaming over a tonic AgentService30AGPL-3.0-or-later Asynchronous Network programming spine-humanAgentic-first web stack for the 21st century — wire-level tool calling, token streaming, capability handshake, W3C tracing, and…97AGPL-3.0-or-later Asynchronous Network programming spine-k8sKubernetes operator for SPINE cluster auto-scaling30AGPL-3.0-or-later Asynchronous Network programming spine-kernelUltra-low-level kernel primitives for SPINE agentic web stack29AGPL-3.0-or-later Asynchronous Network programming spine-knowledgeDistributed knowledge base with bioinspired memory architecture for SPINE115AGPL-3.0-or-later Asynchronous Network programming spine-mechgenMechGen ABL <-> SPINE bridge: deserialize ABL spine-bridge envelopes into spine-agentic types (the type-safe join for…29AGPL-3.0-or-later Asynchronous Network programming spine-neuralNeural network-based latent encoder for SPINE's Chameleon Protocol218AGPL-3.0-or-later Asynchronous Network programming spine-nostdno_std core primitives for SPINE on embedded/WASM targets32AGPL-3.0-or-later Asynchronous Network programming spine-parserUnified representation parser for SPINE107AGPL-3.0-or-later Asynchronous Network programming spine-pkgmanThe backbone of your package management ecosystem. Automatically detects and updates all installed package managers in parallel…1,696MIT Command line utilities Development tools spine-protocolLow-latency communication protocols for SPINE183AGPL-3.0-or-later Asynchronous Network programming spine-recursiveRecursive Language Model (RLM) support for infinite context processing31AGPL-3.0-or-later Asynchronous Network programming spine-rsA spec-compliant parser for the Spine configuration language48BSD-3-Clause Configuration Parsing tools spine-rustA spine loader and runtime3,252MIT OR Apache-2.0 spine-storagePersistent storage backends for SPINE knowledge base126AGPL-3.0-or-later Asynchronous Network programming spine-streamHigh-performance streaming layer for SPINE bioinspired agentic web stack30AGPL-3.0-or-later Asynchronous Network programming spine-sysPlaceholder for spine workspace3,981MIT spine-transportHigh-performance zero-copy transport layer for SPINE107AGPL-3.0-or-later Asynchronous Network programming spine-wasmWebAssembly runtime for SPINE Binary (HLB) execution104AGPL-3.0-or-later Asynchronous Network programming spine-webSPINE — agentic-first web stack. Umbrella facade that re-exports the spine-* component crates behind feature flags.18AGPL-3.0-or-later Asynchronous Network programming spine2dPure Rust runtime for Spine 4.3 (unofficial)305MIT OR Apache-2.0 Game development Rendering spine2d-bevyBevy integration backend for the spine2d runtime46MIT OR Apache-2.0 spine2d-wgpuwgpu renderer integration for the spine2d runtime82MIT OR Apache-2.0 Game development Rendering spinelControl networking devices using the Spinel protocol.1,835MPL-2.0 spinel-cliControl networking devices using the Spinel protocol.1,469MPL-2.0 spinelibThe Spine data format16BSD-3-Clause Configuration Encoding spinfluentTool for bootstrapping Fluent projects1,445MIT spingusA simple, fast, and robust PDDL parser1,186MIT spinifex-unsigned-varintRust implementation of the unsigned variable integer format used in the Multiformat specifications.1,649MIT Algorithms API bindings spinlockDEPRECATED! Use crate `spin` instead. A simple spinlock. It may contain data, is usable without std and there is a static…7,008MIT spinlocksLock primitive based on spinning protecting shared data for concurrent access3,087MIT spinnageBecause it's healthy.665GPL-3.0-or-later spinnespinne is a cli tool that analyzes design system usage for react projects.7,269MIT spinne-coreCore logic for spinne6,482MIT spinne-htmlHTML representation of component graph for spinne4,498MIT spinne-loggerLogger for spinne2,955MIT spinnerA simple library to add more interactivity to your terminal applications.356,003LGPL-3.0 spinner-rsA lightweight terminal spinner library for Rust CLI applications22MIT Command-line interface Command line utilities spinneretA minimal, non-optimizing IR builder for WebAssembly.2,560MIT spinners🛎 60+ Elegant terminal spinners for Rust6,779,273MIT Command-line interface spinners-jdxcode🛎 60+ Elegant terminal spinners for Rust1,527MIT Command-line interface spinners-randGet a random `Spinners` from the `spinners` crate4,344MIT spinners-rsA lightweight Spinner library for Rust25,602MIT Command-line interface spinningMutexes and SIX locks implemented by spinning2,061,544MIT OR Apache-2.0 Concurrency No standard library spinning_cubePerspective projection of a spinning cube, using just ASCII characters.5,339MIT spinning_topA simple spinlock crate based on the abstractions provided by `lock_api`.40,914,546MIT/Apache-2.0 spinnySpinlock-based RwLock struct, with lock_api40,806MIT OR Apache-2.0 spinoffSimple to use Rust library for displaying spinners in the terminal666,858MIT Command-line interface spinoutA thread-safe clonable and mutable smart-pointer akin to `Arc<Mutex<T>>`, using spin-lock instead of system futex.3,840MIT/Apache-2.0 Concurrency Data structures spinrHTTP performance & debugging tool22MIT spinsatA dynamic SAT solver based on digital memcomputing machines269MIT spintaServer-sent events client that works natively and on the web (WASM)7,425MIT OR Apache-2.0 WebAssembly Web programming spintronicsPure Rust library for simulating spin dynamics, spin current generation, and conversion phenomena in magnetic and topological…111Apache-2.0 Science Simulation spinupA quick audio file auditioner with a terminal interface1,524GPL-3.0-or-later Command line utilities spinusFull FE Rust framework1,752MIT spinwaitA Rust implementation of C#'s SpinWait type for lightweight spinning.2,774MIT spipeSmart pipe macro for chaining function/method calls, with unwrap, map, and and_then support772non-standard Data structures Development tools spiraRust client implementation for Inflectra Spira API8,108MIT OR Apache-2.0 spira_cliA command line tool to integrate with spira api3,819MIT OR Apache-2.0 spiralIterate over a 2D structure in a spiral pattern27,347GPL-3.0 Algorithms Game engines spiral-rsRust implementation of the Spiral PIR scheme6,176MIT Cryptography spiral-serverServer for the Spiral PIR scheme2,761MIT Cryptography spiralizerHelps create a swirly timelapse gif2,345MIT spireThe flexible scraper framework powered by tokio and tower.1,517MIT Asynchronous Web programming spire-achievements-trackerA GUI app for tracking achievements in Slay the Spire.2,633MIT OR Apache-2.0 spire-aiAI-native SDK for SpireDB — RAG, code search, agents56AGPL-3.0-only Database interfaces spire-ai-macrosDerive macros for spire-ai136AGPL-3.0-only Database interfaces spire-apiRust gRPC client for the SPIRE APIs229,835Apache-2.0 Authentication Network programming spire-cliSpireDB command-line interface74AGPL-3.0-only Command line utilities Database interfaces spire-coreCore types and traits for spire.2,348MIT Asynchronous Web programming spire-macrosMacros for spire.1,915MIT Asynchronous Web programming spire-proxyA high-performance proxy server with control plane, supporting HTTP/HTTPS, gRPC, and advanced routing capabilities73Apache-2.0 Network programming Web programming spire-workloadspire workload api for rust11,845Apache-2.0 spire_commonCommon utilities and types for SpireDB353AGPL-3.0-only Database interfaces spire_enumProcedural macros to facilitate enum usage, such as when delegating implementations, extracting variant types, or creating enum…40,113MIT No standard library No standard library::No dynamic allocation spire_enum_macrosProcedural macros distributed by the crate `spire_enum`.43,343MIT Rust patterns spire_protoProtocol buffer definitions for SpireDB351AGPL-3.0-only Database interfaces spire_tweenA Slimy tweener library for Godot(4.4+), inspired on the design of DoTween.8,025MIT API bindings Game development spiresqlSQL interface for SpireDB152AGPL-3.0-only Database interfaces spirisRust client for the Spiris Bokföring och Fakturering API (formerly Visma eAccounting)38MIT API bindings Asynchronous spiritHelper to create well behaved daemons with runtime-reconfiguration support67,618Apache-2.0 OR MIT Command-line interface Configuration spirit-cfg-helpersHelpers for spirit to make interacting with configuration more smooth for the user11,774Apache-2.0 OR MIT Command-line interface Configuration spirit-daemonizeSpirit helpers and config fragments to daemonize18,600Apache-2.0 OR MIT Configuration Operating systems::Unix APIs spirit-dipstickAutomatic configuration of dipstick backends12,415Apache-2.0 OR MIT Configuration Development tools::Profiling spirit-hyperHyper helpers for Spirit21,685Apache-2.0 OR MIT Configuration Web programming spirit-logSpirit helpers and config fragments for logging28,479Apache-2.0 OR MIT Configuration Development tools::Debugging spirit-reqwestReqwest helpers for Spirit18,883Apache-2.0 OR MIT Configuration Web programming spirit-tokioTokio helpers for Spirit31,514Apache-2.0 OR MIT Configuration Network programming