All 305,250 crates, alphabetically

simtest-funnel-coreCore trajectory comparison library (Rust)141MIT simtrialClinical trial simulation293MITMathematicsScience simtricksA tool to run Matricks plugins on non-Raspberry Pi devices5,288MITDevelopment tools simuA CLI tool for managing iOS simulators827MIT simulA discrete-event simulation library aimed at high-level use-cases to quickly simulate real-world problems and run simulated…21,923MITDevelopment toolsMathematics simul-macroAn internal macros crate for the simul macro.2,243MIT simulacraA deterministic discrete-event simulation engine for message flow across large computer networks37MITAsynchronousNetwork programming simulacrumMinimal library for creating mock objects by hand using stable Rust.132,278MITDevelopment tools::Testing simulacrum_macrosMacros to simplify creating mock objects with Simulacrum.132,647MITDevelopment tools::Testing simulacrum_mockCore functionality for creating mock objects with Simulacrum.122,558MITDevelopment tools::Testing simulacrum_sharedTypes used when both creating and using mock objects with Simulacrum.124,968MITDevelopment tools::Testing simulacrum_userFunctionality that is helpful when using mock objects created with Simulacrum.122,577MITDevelopment tools::Testing simulansArmv8-A emulation toolkit748EUPL-1.2 OR GPL-3.0-or-later simularDEPRECATED: Use aprender-simulate instead. Re-exports aprender-simulate for backward compatibility.6,261MIT simular-coreSimple API for interacting with an embedded Ethereum Virtual Machine (EVM)5,133Apache-2.0 simulateThis crate allows you to simulate keystrokes.12,111MIT simulate-lcdA simple library to simulate monochrome dot-matrix displays, such as monochrome LCD screens.4,088Apache-2.0GraphicsMultimedia::Video simulate-promisesimulate promise implementation for rust2,785MIT simulate_keyA simple key combination simulator using enigo986MITAPI bindingsOperating systems simulated-annealSimulated annealing optimization framework with multiple temperature schedules and strategies18MITAlgorithmsScience simulated_annealingAn interface for global function optimization using simulated annealing5,445non-standardMathematics simulated_packed_simdSimulated SIMD for Stable channel. Effort to make the `packed_simd` crate work on stable channel.1,734MIT/Apache-2.0 simulationFramework for deterministic simulation testing.4,437MIT simulatorA create for managing simctl simulators in macOS environments1,676MIT simulator-apiWire-protocol types for the Solana simulator backtest WebSocket API1,294MITAPI bindings simulator-clientAsync WebSocket client for the Solana simulator backtest API1,163MITAPI bindings simuldbDatabase with backend and format agnostic data storage for simulation results coupled with metadata34,625MIT OR Apache-2.0 simuldb-utilsUtility to extract information from simuldb databases29,239MIT OR Apache-2.0 simulink-binderSimulink C to Rust binder16,426MIT simulink-rsSimulink C to Rust library builder23,748MIT simuloReserved crate for game engine, we will opensource and publish here soon968MIT OR Apache-2.0 simulonA simulation engine for distributed algorithms10,715MIT simuwaermA simple heat simulation for the terminal.1,541MITCommand line utilitiesSimulation simvarSwitchy package2,404MPL-2.0Development tools simvar_harnessSimulator Harness package2,618MPL-2.0Development tools::TestingSimulation simvar_utilsSimulator Utils package2,831MPL-2.0Development tools::TestingSimulation simvccVapor compression refrigeration cycle simulator in Rust75MITScienceSimulation simwireFramed-stdio wire protocol for talking to an iOS Simulator sidecar10BUSL-1.1Development toolsNetwork programming simxSimX provides Sim package extensions, for research and experimentation7,597MIT OR Apache-2.0Simulation simx00xA no-std and no-alloc driver for SIM800L GSM modules (and probably similar modules)38MIT OR Apache-2.0Embedded developmentNo standard library::No dynamic allocation sinSin aims to be an alternative to the proc-macro2/syn ecosystem geared towards developer UX and custom syntax parsing.4,634MIT sin-cliCommand line interface for Solana2,483Apache-2.0 sin_cos_ln_sqrtITN crate containing math functions.2,821MIT sin_waveSin Wave creater for nice effects in the terminal.1,491MIT OR Apache-2.0 sinaA modern 2D graphics rendering engine written in pure Rust, inspired by Skia70MIT OR Apache-2.0Game developmentGraphics sinabroeBPF-based Networking, Security, and Observability1,557Apache-2.0 sinaisA simple signal event library2,196MIT sinais_macroA macro repository for the `sinais` simple signal event library2,442MIT sinanA Boilerplate for Rapid Axum Web Service Deployment.1,376MIT sinau-say-helloThis is say hello library1,712Apache-2.0 sinboA CLI snippet manager. Store code once, retrieve it anywhere.176MITCommand line utilities sincA cross-platform dotfiles manager written in Rust.12,335MITCommand line utilitiesConfiguration sinceSmall CLI utility to calculate time differences, with semantic UI for humans3,632MIT OR Apache-2.0Command line utilities since-untilOne engine, several front doors: `since`/`until` CLIs and an MCP server for honest calendar-aware date differences, with…41MITCommand line utilitiesDate and time sincereweb framework69,715MIT sincere_tokentoken12,696MIT sindit-senmlRust implementation of the SenML RFC8428 proposed standard3,610Apache-2.0 sindrRust circuit simulator: SPICE-style MNA solver with built-in semiconductor device models. Transient, AC, DC sweep, temperature…64MIT OR Apache-2.0ScienceSimulation sindr-devicesPure electronics device physics: diode, BJT, MOSFET companion models for MNA circuit simulation. Companion crate to sindr.100MIT OR Apache-2.0ScienceSimulation sindraA library to help facilitate programming language development13,145non-standard sindriRust SDK for the Sindri API18,025MIT sindri-cliA command-line interface for interacting with Sindri's API2,879MIT sindri-openapiAn autogenerated, configurable Sindri API client used by the main Sindri package15,768MIT sinecos/sin1,490MIT sine_cacheSineCache is a high-performance, in-memory caching library for Rust, designed to efficiently store and manage key-value pairs…6,631MIT sine_macroProcedural macro for generating sine wave arrays996MITEmbedded developmentMultimedia::Audio sinexSINEX format parser9,685MPL-2.0Parsing toolsScience sinfoCrate that checks Linux systems' CPU temperature, RAM and swap (total and free), CPU time, number of CPUs, and uptime.5,955MIT OR Apache-2.0 singCLI to generate music and sing your text/file/code.3,203MITCommand line utilities sing-box-cliCLI for sing-box5,184MIT sing-catSimple tool to manage sing-box config3,707MIT sing-daeConfig converter between dae and sing-box28Apache-2.0Command line utilities sing_macrosMacros for sing_rs5,982AGPL-3.0-or-later sing_parseParsing utilities for sing_rs6,643AGPL-3.0-or-later sing_rsMacros for generating STDIN/STDOUT interfaces to trait objects.5,318AGPL-3.0-or-later sing_utilInternal functions and types for sing_rs7,278AGPL-3.0-or-later singbox_configA library for serializing and deserliazing sing-box config files1,546MIT singeA machine learning framework that sets tensors ablaze.19non-standard singe-coreShared utilities for Singe crates.462non-standard singe-cublasSafe Rust wrappers for the NVIDIA cuBLAS dense linear algebra library (with cuBLASLt and cuBLASXt).97non-standard singe-cublas-sysLow-level FFI bindings for the NVIDIA cuBLAS dense linear algebra library.115non-standard singe-cudaSafe Rust wrappers for CUDA driver, runtime, NVRTC, NVVM, NVTX, memory, streams, modules, and graphs.419non-standard singe-cuda-findCUDA toolkit discovery and library path resolution utilities.829non-standard singe-cuda-macrosProcedural macros for working with CUDA.442non-standard singe-cuda-sysLow-level FFI bindings for CUDA driver, runtime, NVRTC, NVVM, NVTX, and related NVIDIA APIs.670non-standard singe-cudnnSafe Rust wrappers for the NVIDIA cuDNN deep neural network library. Includes backend and frontend APIs.53non-standard singe-cudnn-sysLow-level FFI bindings for the NVIDIA cuDNN deep neural network library.98non-standard singe-cudssSafe Rust wrappers for the NVIDIA Direct Sparse Solvers (cuDSS) library.54non-standard singe-cudss-sysLow-level FFI bindings for the NVIDIA Direct Sparse Solvers (cuDSS) library.77non-standard singe-cufftSafe Rust wrappers for the NVIDIA cuFFT fast Fourier transform library.38non-standard singe-cufft-sysLow-level FFI bindings for the NVIDIA cuFFT fast Fourier transform library.81non-standard singe-cufileSafe Rust wrappers for NVIDIA cuFile GPUDirect Storage library.54non-standard singe-cufile-sysLow-level FFI bindings for the NVIDIA cuFile GPUDirect Storage library.83non-standard singe-cuptiSafe Rust wrappers for NVIDIA CUPTI profiling and callback APIs.37non-standard singe-cupti-sysRaw FFI bindings for the NVIDIA CUPTI profiling interface.61non-standard singe-curandSafe cuRAND host API wrappers for CUDA random number generation.38non-standard singe-curand-sysRaw FFI bindings for Nvidia cuRAND.61non-standard singe-cusolverSafe Rust wrappers for the NVIDIA cuSOLVER dense and sparse solver library.38non-standard singe-cusolver-sysLow-level FFI bindings for the NVIDIA cuSOLVER dense and sparse solver library.80non-standard singe-cusparseSafe Rust wrappers for the NVIDIA cuSPARSE sparse linear algebra library.37non-standard singe-cusparse-sysLow-level FFI bindings for the NVIDIA cuSPARSE sparse linear algebra library.77non-standard singe-cutensorSafe Rust wrappers for NVIDIA cuTENSOR library.38non-standard singe-cutensor-sysLow-level FFI bindings for the NVIDIA cuTENSOR tensor algebra library.79non-standard singe-kernelReusable CPU and GPU kernels.54non-standard singe-kernel-sysLow-level FFI bindings for the Singe custom kernels.33non-standard singe-macrosProcedural macros for the Singe framework.53non-standard singe-ncclSafe Rust wrappers for the NVIDIA Collective Communications Library (NCCL).98non-standard singe-nccl-sysLow-level FFI bindings for the NVIDIA Collective Communications Library (NCCL).171non-standard singe-nppSafe Rust wrappers for NVIDIA Performance Primitives library (NPP).111non-standard singe-npp-sysLow-level FFI bindings for the NVIDIA Performance Primitives library (NPP).127non-standard singe-nvmlSafe Rust wrappers for NVIDIA Management Library (NVML), monitoring, MIG, and vGPU APIs.86non-standard singe-nvml-sysLow-level FFI bindings for the NVIDIA Management Library (NVML).93non-standard singe-onnxONNX model utilities.99non-standard singe-ptxCUDA PTX parser, AST, and instruction metadata utilities.329non-standard singerRust Singer SDK7,620Apache-2.0 singleDeprecated poor-man's version of Itertools::at_most_one160,677MIT OR Apache-2.0Rust patterns single-clusteringA high-performance network clustering library implementing community detection algorithms like Louvain and Leiden. Features…11,639non-standard single-digit-rpnCalculate single digit Reverse Polish Notation1,717MITParser implementations single-gomokuSingle Gomoku runtime module1,827MIT single-headera rust command line utility to generate portable C/C++ single header file15,023non-standard single-instanceA rust library for single instance application.829,888MIT single-pingSend single pings written in pure Rust501Apache-2.0 single-session-appSingle Session App runtime module3,912MIT single-statisticsA specialized Rust library for statistical analysis of single-cell data, part of the single-rust ecosystem.4,068non-standard single-svdlibA Rust port of LAS2 from SVDLIBC9,307non-standardAlgorithmsData structures single-trait-implA macro for declaring and implementing a trait at the same time.4,786MIT single-use-dnsSimple throwaway dns server that temporarily hosts records for a single domain name1,741BSD-2-ClauseCommand line utilities single-utilitiesThis crate provdes types, traits and utility functions to the single-rust ecosystem that can be universally used. You can also…17,548non-standard single-variable-algebra-compilerA compiler for the minimalistic programming language single-variable-algebra.1,080non-standardCompilers single-whitespace-text-editingUtilities for a special editing style, where the only allowed whitespace is the space, and it's only allowed once at a time5,209MIT OR Apache-2.0Text editors single_algebraA linear algebra convenience library for the single-rust library. Can be used externally as well.26,585non-standardScience single_byte_hashmapA simple HashMap for storing singular bytes as keys4,260MITData structures single_executorTraits for concurrent primitives.12,519MIT OR Apache-2.0 single_line_macroA macro to create methods and functions on a single line in a more readable way.1,751MIT single_rustSingle-cell analysis in Rust11,118non-standardScience single_sourceGenerate code files from snippets in md tutorial files9,077MIT single_thread_cellCreate a cell that can only be accessed by a single thread.18,184Apache-2.0 single_use_sealsSingle-use-seals foundation API196,764Apache-2.0Cryptography single_value_channelConcurrent single-value update and receive channel66,299Apache-2.0 singlefileDead simple file data manipulation.6,558MIT OR Apache-2.0 singlefile-formatsDefault file format implementations for singlefile.4,864MIT OR Apache-2.0 singleflightA Rust port of Go's singleflight package for call collapsing10,927MIT singleflight-asyncSingleflight in async style.46,394MIT/Apache-2.0Asynchronous singlemaprust single map a macro10,817non-standard SingleRFReaderLittle Server for reading r200 and publishing on localhost last readed TAG22GPL-3.0 singlerpcRobust, blazing-fast single RPC for multiple chains with smart load balancing, health checks, continuous retries, and per-request…329non-standard singleshotA CLI tool for testing AI models with a single prompt47MITCommand line utilitiesDevelopment tools singlestageA UI component library for Leptos based on Basecoat UI and shadcn/ui5,472MITGUIWebAssembly singlestage_macroContains macros for the singlestage crate3,184MITGUIWebAssembly singletonSingleton holder for convenient global state management.8,820MIT singleton-attrSimple to use singleton procedural attribute and derive macro9,672MIT singleton-attr-proc-macroSimple to use singleton procedural attribute and derive macro (internal implementation)10,046MIT singleton-cellA more powerful Ghost Cell allowing the use of any singleton as the key6,807MITMemory managementNo standard library singleton-derivesingleton derive macro (this is an internal crate, you don't need to connect it explicitly)1,847MIT singleton-managerA programatical singleton manager18,417MITMemory managementRust patterns singleton-processEnsure only a single process actively running with an associated name.1,787non-standardDevelopment tools singleton-registryThread-safe singleton registry for Rust with isolated, per-type storage — powers the JigsawFlow microkernel pattern1,057BSD-3-ClauseConcurrencyData structures singleton-stepanovIt isn't meant to be used by itself, but as template for your our types. Attempt to do Efficient Programming with Components:…10,163Apache-2.0Rust patterns singleton-taskA singleton task based on tokio4,477MulanPSL-2.0AsynchronousConcurrency singleton-traitSingleton trait for types with unique values and Erased type for zero-sized ownership proofs8,936MITNo standard libraryRust patterns singleton_macroSpring Framework-inspired dependency injection and singleton pattern macros for Rust backend services772MIT OR Apache-2.0Development tools::Procedural macro helpersWeb programming singletonsType-keyed data structures: SingletonSet stores one instance per type, SingletonMap<V> maps types to values28MIT OR Apache-2.0Data structures singletonsetThis crate provides the `SingletonSet` data structure, which makes it easy to store a single instance each of various types…2,648MIT OR Apache-2.0Data structures singletonThreadthread in a singleton3,686MIT OR Apache-2.0Data structures singletonumsingleton derive macro3,721MIT singletonum-derivesingleton derive macro (this is an internal crate, you don't need to connect it explicitly)4,707MIT singlevecVec-like container optimized for storing only a single item14,107MIT/Apache-2.0 singlyLightweight "not" thread safe singleton but it depend on the usage though2,766MITNo standard library singly_linked_listThis crate implements a singly linked list1,586MIT singlytonSafe, single-threaded global state in Rust.21,977MIT singularityCLI tool for pulling known malicious domains into one or more blackhole lists in various formats.14,305MITCommand-line interface singularity-cliCLI wrapper for the Singularity task manager API45Apache-2.0Command line utilities singularizeConvert English words from plural to singular and back11,980MIT/Apache-2.0 singularize-macroAdds a simple `singularize!` macro that runs at compiletime40MITText processing sinistraA generic graph framework with pluggable storage and topology and streaming graph algorithms.1,739MITAlgorithmsData structures sinitA simple init system for use in containers.5,323BSD-2-ClauseCommand line utilitiesOperating systems::Unix APIs sinixOfficial Crate for Sinix1,676MIT sinkThis crate aims to provide an abstraction for a thing which can be sent values and, immediately, return a Result indicating…5,032MIT sink-rotateCommand that rotates the default PipeWire audio sink9,178MIT sink-splitterAn input Sink that routes each item to one of many output sinks1,994MIT/Apache-2.0 sinkholeRust implementation of sinkhole PIR1,715MIT sinkhole-coreThe core traits and types for the `sinkhole` library.2,634MIT sinkhole-elgamalRust implementation of sinkhole PIR using the ElGamal cryptosystem1,712MIT sinktoolsExtra sink adaptors and helpers.2,416Apache-2.0 sinnerEasy cross-thread resource sharing for Rust!4,285MIT sinoThe Sino Language4,233MITCommand line utilities sinomo-uiPublic Rust facade for the SUI workspace.29non-standardGraphicsGUI sinomo-ui-animationPure animation timeline and evaluator primitives for SUI.38non-standardGraphicsGUI sinomo-ui-avifMinimal AVIF encoding primitives for SUI, with HDR still-image support.26non-standardGraphicsGUI sinomo-ui-bindings-coreLanguage-neutral binding infrastructure for SUI.21non-standardGraphicsGUI sinomo-ui-coreShared core contracts and data types for SUI.62non-standardGraphicsGUI sinomo-ui-debugDebugging and inspection widgets for SUI applications.21non-standardGraphicsGUI sinomo-ui-layoutLayout constraints and helpers for SUI.49non-standardGraphicsGUI sinomo-ui-lucideEmbedded Lucide SVG icon resources for SUI.41non-standardGraphicsGUI sinomo-ui-platformPlatform shell and event normalization boundary for SUI.38non-standardGraphicsGUI sinomo-ui-reactiveArchitecture-neutral observable signals and selectors for SUI.22non-standardGraphicsGUI sinomo-ui-render-wgpuwgpu renderer boundary for SUI scene frames.40non-standardGraphicsGUI sinomo-ui-runtimeRetained runtime and widget contracts for SUI.46non-standardGraphicsGUI sinomo-ui-sceneRendering-neutral scene representation for SUI.53non-standardGraphicsGUI sinomo-ui-testingDeterministic in-process UI automation for SUI.21non-standardGraphicsGUI