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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.

sim-lib-stream-xrXR glasses stream contracts and deterministic modeled sources.17MPL-2.0 sim-lib-surface-cardShared, plain-data surface-card spine.232MPL-2.0 sim-lib-topologyData-driven topology engine.594MPL-2.0 sim-lib-viewView/editor codec contracts, Shape-based lens dispatch, lens stack, and the universal default lens for SIM Web.504MPL-2.0 sim-lib-view-agentAgent and topology composer lens plus the live monitor for SIM Web.97MPL-2.0 sim-lib-view-bayAutomotive bay Scene and Intent surface for SIM.17MPL-2.0 sim-lib-view-bridgeReversible BRIDGE packet review surface for SIM Web.36MPL-2.0 sim-lib-view-codecCodec-aware and Shape-aware lenses for SIM Web.104MPL-2.0 sim-lib-view-dawDAW timeline, mixer, plugin rack, and synth lenses for the SIM Web-UI (WEBUI_4).85MPL-2.0 sim-lib-view-deviceDevice profiles, frame timing, and tier derivation for SIM Web surfaces.213MPL-2.0 sim-lib-view-docMarkup article workspace lens for SIM Web.161MPL-2.0 sim-lib-view-mathMath, plotting, tensor, and symbolic lenses for SIM Web.96MPL-2.0 sim-lib-view-spatialSpatial glasses surface encoding over the shared SIM Web Scene and device adapters.20MPL-2.0 sim-lib-view-wasm-frameHost-side view frame facade for wasm-shaped view data.85MPL-2.0 sim-lib-view-wristRound watch glance budgets over the shared SIM Web device adapter.16MPL-2.0 sim-lib-web-bridgeSession and transport bridge over realize/EvalFabric for the Intent/Scene bus.156MPL-2.0 sim-lib-web-layoutWorkspace value, panes, tabs, docks, and layout persistence.95MPL-2.0 sim-list-cellSIM workspace package for sim list cell.107MPL-2.0 sim-list-lazySIM workspace package for sim list lazy.109MPL-2.0 sim-macrosProc-macro surface for authored SIM libraries.150MPL-2.0 sim-mcp-serverSIM workspace package for sim mcp server.71MPL-2.0 sim-metricsImplementation of chemical similarity metrics368GPL-3.0-or-later sim-nestThe SIM constellation umbrella facade: one crate that re-exports the runtime kernel, codecs, number domains, and libraries behind…478MPL-2.0 Development tools Encoding sim-runSIM bootloader command line.52MPL-2.0 sim-run-coreCore command entry API for the SIM bootloader.554MPL-2.0 sim-run-loadersFeature-composable SIM bootloader loaders.283MPL-2.0 sim-rustA simulation framework (WIP)24,431LGPL-3.0-or-later sim-shapeShape algebra, comparison, and match-hook helpers.2,699MPL-2.0 sim-table-coreShared table substrate: path references and the table operation protocol.881MPL-2.0 sim-table-dbSIM workspace package for sim table db.194MPL-2.0 sim-table-fsSIM workspace package for sim table fs.151MPL-2.0 sim-table-hashSIM workspace package for sim table hash.119MPL-2.0 sim-table-httpCapability-gated HTTP table directory backend for SIM.50MPL-2.0 sim-table-lazySIM workspace package for sim table lazy.114MPL-2.0 sim-table-mountMounted Table and Dir namespace backend for SIM.10MPL-2.0 sim-table-overrideSIM workspace package for sim table override.76MPL-2.0 sim-table-remoteRemote directory adapter for SIM table operations over eval fabric.91MPL-2.0 sim-test-supportShared test harness for SIM crates.638MPL-2.0 sim-timeHelper crate to simulate time in es-entity67,216Apache-2.0 Simulation sim-valueErgonomic construction and access for kernel Expr data.2,891MPL-2.0 sim-view-ttyLoadable terminal (CLI/TUI) view/edit surface for SIM, projecting Scenes to text and reducing key input to Intents.74MPL-2.0 sim-viture-ffiUnsafe-isolated dynamic loader for VITURE glasses SDK entry points.18MPL-2.0 sim-wasm-abiSIM workspace package for sim wasm abi.742MPL-2.0 sim-web-shellsim-web-shell: the binary that serves the SIM WebUI shell.218MPL-2.0 sim1hA simulation of lib3h38,707Apache-2.0 Network programming sim2hA simulation of lib3h50,883GPL-3.0-only Network programming sim2h_serverA simulation of lib3h - server executable40,739GPL-3.0-only Network programming sim7020driver for sim7020E NB IoT modem8,967MIT sim800sim800 is a crate allowing for a good level of abstraction between SIM800 series modem (SIM800L, SIM800H), project development…2,731MIT sim86An 8086/8088 emulator with full support for 16-bit x86.1,552MIT OR Apache-2.0 sim_connect_dataA crate containing Rust-esk data types for use with SimConnect via sim_connect_rs8,018MIT sim_connect_macrosMacros for use internally with sim_connect_rs and for use as helpers when using sim_connect_rs6,196MIT sim_connect_rsAn easy to use, opinionated API for SimConnect8,714MIT sim_connect_sysRust bindings for SimConnect for use with Microsoft Flight Simulator3,721MIT sim_coreBevy-based simulation runtime primitives (modes, config, plugins) for the CortenForge stack.21Apache-2.0 Game engines Graphics sim_deriveSim Derive is a macro library, which supports the Sim discrete event simulation package15,177MIT OR Apache-2.0 Simulation sim_fftsim-fft is an easy to use Fast Fourier Transform library primarily meant for embedded systems and no_std environments.548MIT/Apache-2.0 Embedded development No standard library sim_putSimplify some std::io operations245MIT OR Apache-2.0 simaA blazingly fast simple string matcher library.793MIT sima-rsA blazingly fast simple string matcher library.2,592MIT simagefCLI tool for finding similar images15,173GPL-3.0-or-later Command line utilities simapiA Rust wrapper for the SimAPI C library, providing safe and ergonomic access to its functionality.33MIT OR Apache-2.0 simapi-sysLow-level bindings for the SimAPI C library.57MIT OR Apache-2.0 simavr-ffiLow-level bindings to simavr12,151MIT simavr-sectionAdd simavr-compatible metadata to your binary.3,436GPL-3.0 Development tools Embedded development simavr-section-macroInternal implementation details of the simavr-section crate.2,999GPL-3.0 simavr-section-sysBindings to simavr's MMCU section struct types. You may prefer to use simavr-section instead.3,211GPL-3.0 simavr-simHigh level bindings to the simavr AVR simulator3,842GPL-3.0 simavr-sysBindings to the 'simavr' AVR simulator20,773GPL-3.0 simbaSIMD algebra for Rust66,673,372Apache-2.0 Mathematics No standard library simbad-resolverSIMBAD astronomical target resolver for Rust: resolve names, designations, and positions to canonical identities, with a…3,917MPL-2.0 API bindings Science simbelmyne-chessA chess library that takes care of board representation and move generation, used by the Simbelmyne chess engine3,084GPL-3.0 simbelmyne-uciUtilities used by the Simbelmyne chess engine for interfacing over the UCI protocol.2,752GPL-3.0 simbiota-tlshA pure-rust implementation of Trendmicro's TLSH algorithm, featuring the same optimizations found in the reference implementation.4,700non-standard simbld-httpA comprehensive HTTP response library for Rust.4,729MIT Development tools Network programming simbleSimple symbols: allocation-less strings up to 8 bytes long6,475MIT OR Apache-2.0 No standard library simbol-serverSimple Web and WebSocket server, specially for sites that use Simbol3,539MIT simboli_threadThread Pool Management41Apache-2.0 simconnectRust bindings for SimConnect13,443MIT simconnect-sdkSimConnect SDK. An opinionated SimConnect Client that encapsulates the C API fully and optimizes for developer experience.9,953MIT Aerospace Aerospace::Aerospace simulations simconnect-sdk-deriveMacros implementation for SimConnect SDK. An opinionated SimConnect Client that encapsulates the C API fully and optimizes for…10,264MIT Aerospace Aerospace::Aerospace simulations simconnect-sysFFI bindings for SimConnect.12,921MIT OR Apache-2.0 External FFI bindings simcoreA generic discrete-event simulation framework6,534MIT OR Apache-2.0 Asynchronous Simulation simctlRust wrapper around Xcode's `simctl`.4,807MIT simdOBSOLETE: See `core::simd` instead.157,608MIT/Apache-2.0 simd-abstractionAbstract SIMD instruction sets17,932,612MIT No standard library simd-adler32A SIMD-accelerated Adler-32 hash algorithm implementation.295,291,234MIT Algorithms No standard library simd-altTemporary fork of `simd` crate2,433MIT/Apache-2.0 simd-blitAlpha Compositing & SSAA, optionally using SIMD4,850MIT No standard library simd-bmhSIMD-optimized search with wildcard nibbles2,642MIT OR Apache-2.0 simd-bmh-macroProc-macro for simd-bmh crate1,927MIT OR Apache-2.0 simd-csvSpecialized Rust CSV readers/writers leveraging SIMD instructions.13,059MIT simd-intervaltreeA SIMD-accelerated interval tree with zero-allocation queries25MIT Algorithms Data structures simd-itertoolsSIMD-accelerated alternatives for common operations like contains, max, find etc.22,849MIT OR Apache-2.0 Algorithms Concurrency simd-jsonHigh performance JSON parser based on a port of simdjson17,124,713Apache-2.0 OR MIT simd-json-derivederives for simd-json175,431Apache-2.0/MIT simd-json-derive-intprocmacros for simd-json-derive152,680Apache-2.0/MIT simd-kernelsLightning Fast, Arrow-Compatible Compute Kernels18non-standard simd-liteHelpful functionality for working with SIMD intrinsics in Rust3,584Apache-2.0/MIT simd-lookupHigh-performance SIMD utilities for fast table lookups, compression and data processing1,107Apache-2.0 Algorithms Data structures simd-minimizersA SIMD-accelerated library to compute random minimizers9,360MIT Compression Data structures simd-normalizerSIMD-accelerated Unicode normalization (NFC, NFD, NFKC, NFKD)1,132Apache-2.0 No standard library Text processing simd-polyfillSIMD polyfill1,581MIT OR Apache-2.0 Hardware support No standard library simd-popcntFast bit population count (number of 1 bits) of a byte slice using POPCNT, AVX2, AVX512, ARM NEON and ARM SVE.59MIT OR Apache-2.0 Algorithms simd-r-driveSIMD-optimized append-only schema-less storage engine. Key-based binary storage in a single-file storage container.19,495Apache-2.0 Data structures Database implementations simd-r-drive-entry-handleStandalone mmap-friendly entry handles for SIMD R Drive9,813Apache-2.0 Data structures Database implementations simd-r-drive-extensionsStorage extensions for SIMD R Drive.10,665Apache-2.0 Data structures Database implementations simd-r-drive-muxio-service-definitionExperimental Muxio service definitions for SIMD R Drive3,033Apache-2.0 Data structures Database implementations simd-r-drive-ws-clientExperimental WebSocket client for SIMD R Drive2,229Apache-2.0 Data structures Database implementations simd-r-drive-ws-serverExperimental WebSocket server for SIMD R Drive2,596Apache-2.0 Data structures Database implementations simd-rs63SIMD-accelerated Reed-Solomon RS(9,6) erasure coding over GF(2^8), with no unsafe code43MIT Algorithms Encoding simd-runtime-check-x64This is a (nightly-only) library for check SIMD features at runtime (raw ASM)1,953Apache-2.0 simd-sketchA SIMD-accelerated library to compute a b-bit bottom-h sketch2,093MIT Compression Data structures simd-sliceHigh-level simd abstraction on slices1,636MIT simd-trickA crate to trick the optimizer into generating SIMD instructions.7,301MIT No standard library simd-utf16-lenSIMD-accelerated UTF-16 length calculation from UTF-8 strings104,862MIT simd_alignedSafe and fast SIMD-aligned data structures with easy and transparent 'flat' access.42,639MIT Data structures simd_bytessimd utility functions for handle bytes data.2,807MIT simd_cesu8An extremely fast, SIMD accelerated, encoding and decoding library for CESU-8 and Modified UTF-8.15,178,641Apache-2.0 OR MIT Encoding No standard library simd_helpersHelpers to write more compact simd code35,916,534MIT simd_iterA simple library for iterating over slices as `Simd` vectors.2,907MIT OR Apache-2.0 Hardware support No standard library simd_mathSIMD math for spatial computing.1,203MIT simd_randSIMD-accelerated random number generators33MIT Algorithms No standard library simd_vectorSIMD vector types (Vec4, Vec8) for x86-64 in pure stable Rust — SSE4.1, AVX2, FMA3320MIT Mathematics Science simdcsvA CSV parser422MIT simdeezSIMD library to abstract over different instruction sets and widths263,278Apache-2.0/MIT Game engines Hardware support simdjson-rustRust bindings for the simdjson project.7,005Apache-2.0 simdjson-sysLow level Rust bindings for simdjson.7,933Apache-2.0 simdnaHigh-performance SIMD-accelerated DNA sequence encoding supporting all IUPAC nucleotide codes83MIT Algorithms Encoding simdnbtan unnecessarily fast nbt decoder66,743MIT simdnbt-deriveDerive macros for simdnbt59,104MIT simdnoiseSIMD accelerate noise library with runtime feature detection78,318Apache-2.0/MIT Game engines Multimedia::Images simdopSIMD operations for Rust, with traits and pixiedust3,098 simdphraseExtremely fast phrase search implementation.1,544MIT Algorithms Data structures simdprunePruning elements in SIMD vectors (i.e., packing left/compressing elements)1,714Apache-2.0 No standard library simdscanClassify SIMD instructions by ISA extension1,398Apache-2.0 Command line utilities Development tools simdsieveSIMD-accelerated byte pattern pre-filtering with AVX-512, AVX2, NEON, and scalar fallback59,303MIT Algorithms Text processing simdsplitExperimental byte string splitter using Portable SIMD.17MIT Algorithms simdtyDefinitions of many SIMD types.27,944MIT/Apache-2.0 simdutfUnicode validation and transcoding at billions of characters per second58,862MIT Algorithms Encoding simdutf8SIMD-accelerated UTF-8 validation.169,528,591MIT OR Apache-2.0 Algorithms Encoding simdutf8-cliSIMD-accelerated UTF-8 validation CLI built on the simdutf8 crate, with hardened path handling.61Apache-2.0 Command line utilities Text processing simdvecVectors, but with the operational speedup of SIMD!1,354MIT Algorithms Concurrency simdwasmAn encapsulation over wasm32 SIMD intrinsics925MIT simdxmlSIMD-accelerated XML parser with full XPath 1.0 support1,487MIT OR Apache-2.0 Parser implementations Text processing simdxml-cliA fast XML/XPath query tool, powered by SIMD24MIT OR Apache-2.0 Command line utilities simengineA plugin-based simulation engine runtime and plugin API350MIT simetryInterface with telemetry of various racing and driving sims12,620MIT simfonyRust-like language that compiles to Simplicity bytecode.1,557CC0-1.0 simfony-as-rustTools for working with Simfony as literal Rust8,342CC0-1.0 simgit-clisg — disk-efficient copy-on-write Git worktrees for running many agents at once54MIT Command line utilities Development tools simgpsiOS Simulator GPS CLI tool40MIT Command line utilities Development tools simha-bstMy custom binary search tree implementation1,775MIT OR Apache-2.0 simhashSimhash algorithm for 64-bit locality-sensitive hashing and similarity calculation1,402,354MIT Algorithms Text processing simiA framework for building wasm front-end web application in Rust14,897non-standard WebAssembly Web programming simi-cliA command line tool to help build, test, serve a Simi app16,386non-standard WebAssembly Web programming simi-flowA production-grade similarity and text-analysis engine: 8 algorithms plus intent-aware routing for matching, dedup, spam, and bot…80MIT Algorithms Science simi-html-tagsA collection of HTML tags that are support by Simi framework2,842non-standard WebAssembly Web programming simi-macrosMacros support for the Simi framework14,253non-standard WebAssembly Web programming simi-testSome helpers for testing wasm app base on the Simi framework2,701non-standard WebAssembly Web programming simianA command-line tool for exploring and implementing Machine Learning algorithms in Rust.120MIT simicsIntel® Simics® Simulator bindings in high level, idiomatic Rust7,802Apache-2.0 API bindings Emulators simics-api-sysAutomatically generated Intel® Simics® Simulator FFI bindings8,704Apache-2.0 API bindings Emulators simics-build-utilsIntel® Simics® Simulator build and linking utilities6,963Apache-2.0 API bindings Emulators simics-macroProc macros for building Intel® Simics® Simulator modules6,941Apache-2.0 API bindings Emulators simics-packageIntel® Simics® Simulator module packaging tools7,534Apache-2.0 API bindings Emulators simics-python-utilsPython environment detection utilities for Intel® Simics® Simulator2,287Apache-2.0 API bindings Emulators simics-signIntel® Simics® Simulator module signing tools8,291Apache-2.0 API bindings Emulators simics-testIntel Simics Simulator module testing tools3,733Apache-2.0 API bindings Emulators simidA Simple Universally Unique IDentifier (UUID)1,789MIT Algorithms Cryptography similarA diff library for Rust164,748,996Apache-2.0 similar-assertsprovides assert_eq! like macros with colorized diff output32,162,424Apache-2.0 similar-stringFind similar strings in Rust51,032MIT similar-structs-macrosQuality-of-life macros for more concise struct/enum definitions2,855MIT OR Apache-2.0 similar_linesDetect identical lines shared between two repositories using a suffix-array index281MIT OR Apache-2.0 Algorithms Command line utilities similariMachine learning framework for building object trackers and similarity search engines97,154Apache-2.0 Algorithms Computer vision similari-trackers-rsMachine learning framework for building object trackers and similarity search engines31,253Apache-2.0 Algorithms Computer vision similario_coreLibrary, that allows to find similar videos7,402MIT similarityA comprehensive Rust library for calculating similarity metrics between vectors, collections, and spectral data with both…6,089MIT Algorithms Mathematics similarity-coreCore library for code similarity detection using AST-based comparison13,314MIT Development tools Parser implementations similarity-cssCSS/SCSS similarity detection tool (experimental)432MIT similarity-elixirCLI tool for detecting code duplication in Elixir projects420MIT Command line utilities Development tools similarity-genericGeneric language similarity analyzer using tree-sitter1,765MIT similarity-least-squaresLeast-squares estimation of transformation parameters between two point patterns4,528MIT similarity-mbtCLI tool for detecting code duplication in MoonBit projects25MIT Command line utilities Development tools similarity-mdExperimental CLI tool for detecting content similarity in Markdown documents890MIT Command line utilities Development tools similarity-metricsA collection of event logs similarity metrics for Rust1,598MIT similarity-phpCLI tool for detecting code duplication in PHP projects1,203MIT Command line utilities Development tools similarity-pyCLI tool for detecting code duplication in Python projects4,127MIT Command line utilities Development tools similarity-rsCLI tool for detecting code duplication in Rust projects5,335MIT Command line utilities Development tools similarity-traitSimilarity trait Rust crate: compare input values, such as two or more items, then return an output value, such as a mesure of…524MIT OR Apache-2.0 OR GPL-2.0 OR GPL-3.0 OR BSD-3-Clause Development tools Development tools::Testing similarity-tsCLI tool for detecting code duplication in TypeScript/JavaScript projects11,367MIT Command line utilities Development tools similarity-ts-coreCore library for TypeScript/JavaScript code similarity detection using AST-based comparison1,107MIT Development tools Parser implementations simileSearch engine for equivalent terms180BSD similoA simple file copy and paste utility.1,510Apache-2.0 Command line utilities Filesystem simimgrsthis crate checks for similar image using average hash algorism.6,982Apache-2.0 simink-buildsimink build3,911Apache-2.0 Embedded development simink-devsimink build dev1,504Apache-2.0 Embedded development simink-macrosimink 启动运行时环境初始化过程宏7,664Apache-2.0 Embedded development simink-stdsimink 用户态标准库1,584Apache-2.0 Embedded development