All 305,250 crates, alphabetically

scip-sysBindings for the C SCIP solver.213,556Apache-2.0 scip-tree-sitterGenerate a SCIP index carrying only syntax-highlighting tokens (no navigation) for config files tree-sitter can parse but no…20Apache-2.0 sciparseZero-copy SCION packet parsing, serialization and control plane components762Apache-2.0Network programming SCiPIndex-TUIA terminal-based user interface for reading SCP Foundation entries51MITCommand line utilities scipioA set of utilities to allow one to write thread per core applications8,049Apache-2.0 OR MITAsynchronousOperating systems sciport-rsRust port of scipy2,710MITAlgorithmsMathematics scir-coreSciR core utilities: numeric tolerances, complex helpers, and shared test macros for the SciR ecosystem (SciPy rebuilt for Rust).677MITMathematicsScience scir-fftSciR FFT: parity-first FFT/RFFT/IRFFT plus reusable 2D vision spectral kernels.664MITMathematicsScience scir-gpuSciR GPU foundations: device arrays and CUDA (feature-gated) elementwise/FIR kernels with CPU parity.643MITMathematicsScience scir-iir-filtersSciR fork of iir_filters: Apache-2.0 IIR filter design (Butterworth, Chebyshev I, Bessel; ZPK, SOS) with public Sos accessors so…20Apache-2.0MathematicsNo standard library scir-ndndarray interop for SciR: clean shape/stride conversions and helpers so compute crates focus on math.20MITMathematicsScience scir-optimizeSciR Optimize: Nelder–Mead, BFGS, and L-BFGS with fixture-driven validation on Rosenbrock/Himmelblau.18MITMathematicsScience scir-signalSciR Signal: Rust port of scipy.signal submodule.26UnlicenseScience sciroccoPersonal utility crate.1,511GPL-3.0 scironA Rust library inspired by scikit-learn, providing machine learning tools.678MIT OR Apache-2.0 scirs⚠️ DEPRECATED: scirs has been renamed to scirs2. Please use scirs2 instead: https://crates.io/crates/scirs234MIT OR Apache-2.0MathematicsScience scirs2A Rust port of SciPy with AI/ML extensions - Scientific Computing and AI Library (scirs2)8,156Apache-2.0AlgorithmsMathematics scirs2-autogradAutomatic differentiation module for SciRS2 (scirs2-autograd)15,661Apache-2.0AlgorithmsMathematics scirs2-clusterClustering algorithms module for SciRS2 (scirs2-cluster)13,071Apache-2.0AlgorithmsMathematics scirs2-coreCore utilities and common functionality for SciRS2 (scirs2-core)363,830Apache-2.0AlgorithmsMathematics scirs2-datasetsDatasets module for SciRS2 (scirs2-datasets)8,824Apache-2.0AlgorithmsData structures scirs2-fftFast Fourier Transform module for SciRS2 (scirs2-fft)36,095Apache-2.0AlgorithmsMathematics scirs2-graphGraph processing module for SciRS2 (scirs2-graph)10,238Apache-2.0AlgorithmsMathematics scirs2-integrateNumerical integration module for SciRS2 (scirs2-integrate)7,933Apache-2.0AlgorithmsMathematics scirs2-interpolateInterpolation module for SciRS2 (scirs2-interpolate)283,379Apache-2.0AlgorithmsMathematics scirs2-ioInput/Output utilities module for SciRS2 (scirs2-io)5,914Apache-2.0EncodingScience scirs2-linalgLinear algebra module for SciRS2 (scirs2-linalg)345,504Apache-2.0AlgorithmsMathematics scirs2-metricsMachine Learning evaluation metrics module for SciRS2 (scirs2-metrics)15,351Apache-2.0AlgorithmsMathematics scirs2-ndimageN-dimensional image processing module for SciRS2 (scirs2-ndimage)8,073Apache-2.0AlgorithmsMathematics scirs2-neuralNeural network building blocks module for SciRS2 (scirs2-neural) - Minimal Version15,479Apache-2.0AlgorithmsMathematics scirs2-numpyPyO3-based Rust bindings of the NumPy C-API (SciRS2 fork with ndarray 0.17 support)2,112Apache-2.0API bindingsDevelopment tools::FFI scirs2-optimMachine Learning optimization module for SciRS2 (scirs2-optim)3,335MIT OR Apache-2.0AlgorithmsMathematics scirs2-optimizeOptimization module for SciRS2 (scirs2-optimize)34,899Apache-2.0AlgorithmsMathematics scirs2-pythonPython bindings for SciRS2 - A comprehensive scientific computing library in Rust (SciPy alternative)243Apache-2.0AlgorithmsMathematics scirs2-seriesTime series analysis module for SciRS2 (scirs2-series)22,719Apache-2.0AlgorithmsMathematics scirs2-signalSignal processing module for SciRS2 (scirs2-signal)12,064Apache-2.0AlgorithmsMathematics scirs2-sparseSparse matrix module for SciRS2 (scirs2-sparse)36,304Apache-2.0AlgorithmsMathematics scirs2-spatialSpatial algorithms module for SciRS2 (scirs2-spatial)16,092Apache-2.0AlgorithmsMathematics scirs2-specialSpecial functions module for SciRS2 (scirs2-special)17,235Apache-2.0AlgorithmsMathematics scirs2-statsStatistical functions module for SciRS2 (scirs2-stats)50,813Apache-2.0AlgorithmsMathematics scirs2-symbolicSymbolic mathematics for SciRS2 — EML-native CAS, expression trees, differentiation, simplification364Apache-2.0MathematicsScience scirs2-symbolic-macrosProc-macro DSL for scirs2-symbolic pattern matching rules124Apache-2.0Development tools::Procedural macro helpersMathematics scirs2-textText processing module for SciRS2 (scirs2-text)12,935Apache-2.0AlgorithmsMathematics scirs2-transformData transformation module for SciRS2 (scirs2-transform)9,354Apache-2.0AlgorithmsMathematics scirs2-visionComputer vision module for SciRS2 (scirs2-vision)7,194Apache-2.0AlgorithmsMathematics scirs2-wasmWebAssembly (WASM) bindings for SciRS2 - JavaScript/TypeScript interop for scientific computing316Apache-2.0MathematicsScience scirustA scientific computing library6,638Apache-2.0 scispeakA tool for converting Sci-RNA-Seq3 files to 10X Genomics compatible FASTQ files.1,480MITCommand line utilitiesScience scissorsEditor-based content approval, git-commit style53MIT OR Apache-2.0Command line utilities scissrsA string truncator and scroller.1,617non-standard scitadel-adaptersSource adapters (PubMed, arXiv, OpenAlex, INSPIRE, EPO, PatentsView, Lens) and the paper download chain for scitadel.183MIT OR Apache-2.0Command line utilitiesScience scitadel-cliCommand-line interface for scitadel — programmable scientific literature retrieval.50MIT OR Apache-2.0Command line utilitiesScience scitadel-coreCore domain models, services, and ports for the scitadel scientific-literature retrieval toolkit.332MIT OR Apache-2.0Command line utilitiesScience scitadel-dbSQLite-backed repositories and migrations for scitadel.183MIT OR Apache-2.0Command line utilitiesScience scitadel-exportBibTeX, JSON, and CSV exporters for scitadel search results.160MIT OR Apache-2.0Command line utilitiesScience scitadel-mcpMCP server exposing scitadel tools to host LLMs.100MIT OR Apache-2.0Command line utilitiesScience scitadel-scoringClaude-powered paper relevance scoring for scitadel.139MIT OR Apache-2.0Command line utilitiesScience scitadel-tuiInteractive TUI for browsing scitadel searches, papers, and assessments.98MIT OR Apache-2.0Command line utilitiesScience sciter-rsRust bindings for Sciter - Embeddable HTML/CSS/script engine (cross-platform desktop GUI toolkit). Also capable with DirectX /…104,491MITAPI bindingsGUI sciter-serdeSerde support for Sciter engine.4,710MITAPI bindingsGUI scivexA comprehensive Rust library replacing the Python data science ecosystem64MITMathematicsScience scivex-coreScivex — Tensors, linear algebra, FFT, and math primitives685MITMathematicsScience scivex-frameScivex — DataFrames, Series, GroupBy146MITData structuresScience scivex-gpuScivex — GPU-accelerated tensor operations via wgpu139MITGraphicsScience scivex-graphScivex — Graph data structures, algorithms, and network analysis95MITAlgorithmsScience scivex-imageScivex — Image loading, transforms, and filters96MITMultimedia::ImagesScience scivex-ioScivex — CSV, JSON, SQL, Parquet, and Arrow I/O for DataFrames96MITParser implementationsScience scivex-mlScivex — Classical machine learning: trees, ensembles, clustering, pipelines99MITAlgorithmsScience scivex-nlpScivex — Tokenization, embeddings, and text processing98MITScienceText processing scivex-nnScivex — Neural networks, autograd, layers, optimizers148MITAlgorithmsScience scivex-optimScivex — Optimization, root finding, and numerical integration97MITMathematicsScience scivex-rlScivex — Reinforcement learning: environments, DQN, PPO, A2C98MITAlgorithmsScience scivex-signalScivex — Signal processing, FFT, wavelets, audio98MITMultimedia::AudioScience scivex-statsScivex — Statistical distributions, hypothesis tests, correlation, regression149MITMathematicsScience scivex-symScivex — Symbolic math, CAS, and expression simplification98MITMathematicsScience scivex-vizScivex — Visualization, plotting, and chart rendering97MITScienceVisualization scivizHigh-performance plotting1,626MIT OR Apache-2.0 scix-clientRust client for the SciX (NASA ADS) API — library, CLI, and MCP server209MITAPI bindingsScience scjsonSCXML to JSON converter, part of the multi-language scjson ecosystem1,409BSD-1-ClauseCommand line utilitiesData structures sclA simple and powerful configuration language3,463MIT scl-coreA fully featured minecraft launcher core. (Highly unstable and all in Chinese!)1,626LGPL-3.0-only scl-log-analyzerA Minecraft client/server log analyzer1,573MIT scl-rsRust toolkit for prototyping and testing secure multiparty computation (MPC) protocols inspired in Secure Computation Library.393AGPL-3.0-or-laterCryptography scl3300Driver for the SCL3300 inclinometer.6,698MIT OR Apache-2.0Embedded developmentHardware support sclanSimple Communication over Local Area Network2,759BSD-3-Clause-ClearCommand line utilitiesNetwork programming sclinklightweight client for reading chainlink solana feeds6,065Apache-2.0 scllFacade crate for the Simple Card Lifecycle Library. Feature flags select transports and backend (PDD §3.1).30MIT OR Apache-2.0CryptographyHardware support scll-backend-rustcryptoPure-Rust crypto backend for scll (shipped default). Implements KeyBackend + Scp03Backend + Scp02Backend + ExportableKeyBackend…39MIT OR Apache-2.0 scll-coreCore of the Simple Card Lifecycle Library: transport/backend traits, GP commands, SCP02/03 state machines, CAP parser. No…53MIT OR Apache-2.0CryptographyHardware support scll-transport-jcsimTCP Transport adapter for the Oracle Java Card simulator (bibo+tcp). Development only. PDD §3.1/§3.2.30MIT OR Apache-2.0 scll-transport-pcscPC/SC Transport adapter for scll (Linux/host production). Implements scll-core's Transport over the `pcsc` crate. PDD §3.1/§3.2.29MIT OR Apache-2.0 sclogA fast, simple, dependency-free logging library for Rust.105MIT SCLPSimple Command Line Parser Built with Rust.60MIT scmCommon SCM operations for use with Rust Builders18,278MIT scm-bisectSupporting library for git-branchless10,383MIT OR Apache-2.0 scm-diff-editorUI component to interactively select changes to include in a commit.14,518MIT OR Apache-2.0 scm-recordUI component to interactively select changes to include in a commit.591,986MIT OR Apache-2.0 scma-gsyncSynchronizes Southern California Mountaineers Association (SCMA) calendar events to Google Calendar866MIT OR Apache-2.0 scmanager-windows-rswindows service manager1,331Apache-2.0Operating systems::Windows APIs scmlParser and skeletal animation evaluator for Spriter SCML files22MIT OR Apache-2.0Game developmentGraphics scmpBindings to libseccomp6,710ISC scmuxtmux session manager CLI for multi-agent Claude Code teams38MITCommand line utilitiesDevelopment tools scmux-daemontmux session manager daemon for multi-agent Claude Code teams38MITCommand line utilitiesDevelopment tools scnscn18MIT OR Apache-2.0 scnrScanner/Lexer with regex patterns and multiple modes49,010MIT/Apache-2.0AlgorithmsParsing tools scnr2Scanner/Lexer with regex patterns and multiple modes61,876MIT/Apache-2.0AlgorithmsParsing tools scnr2_generateScanner/Lexer with regex patterns and multiple modes62,502MIT/Apache-2.0AlgorithmsParsing tools scnr2_macroScanner/Lexer with regex patterns and multiple modes62,106MIT/Apache-2.0AlgorithmsParsing tools scolA simple command line tool for colouring text4,847MITCommand line utilities scolorSimple ansi colors18,713MIT scolta-coreScolta search engine core - browser WASM module for client-side search scoring, prompt management, and query expansion18MITWebAssemblyWeb programming scompSandboxed component scripting framework20Apache-2.0 scomp-agentCLI agent for the scomp scripting framework20Apache-2.0 scomp_complianceCompliance testing harness for scomp runtimes19Apache-2.0 scomp_coreCore types and runtime interface for the scomp scripting framework19Apache-2.0 scomp_runtime_quickjsQuickJS-based JavaScript runtime for scomp20Apache-2.0 scomp_transport_websocketWebSocket transport layer for scomp18Apache-2.0 sconSCON — Schema-Compact Object Notation: human-readable format with 59-66% structural dedup, single-pass tape decoder45MITEncodingParser implementations sconeThe Scone game engine2,633MIT scone-ecsThe ecs used in Scone3,184MIT sconectlsconectl helps to transform cloud-native applications into cloud-confidential applications. It supports to transform native…33,574MIT OR Apache-2.0Command line utilitiesDevelopment tools sconesGenerates simple constructors for structs.6,275MIT OR Apache-2.0 scones_examplesExamples (and tests) for the Scones crate.4,483MIT OR Apache-2.0 scones_macrosMacros that power the Scones crate.6,826MIT OR Apache-2.0 sconfigA simple config control tool support read from file and write to file3,721MIT sconfig-macrosMacros for sconfig4,293MIT scoobA secrets management CLI12,059MIT scoobiscuitScoobiscuit!1,381BSD-3-ClauseGraphics scoobyAn SQL query builder with a pleasant fluent API closely imitating actual SQL14,297MIT OR Apache-2.0Database interfacesDevelopment tools scoopDumb scheduler daemon9,232MIT scoop-findFind scoop apps2,689AGPL-3.0-or-laterCommand line utilities scoop-fsearchSearch helper for the Scoop package manager1,964AGPL-3.0-or-laterCommand line utilities scoop-hashHashing library for libscoop7,352MIT OR Apache-2.0Cryptography scoop-hookHook your scoop subcommands in your $env:PATH1,514AGPL-3.0-or-laterCommand line utilities scoop-searchrAlternative scoop search3,768BSD-3-Clause scoop-shimA simple parser and serializer for Scoop shims2,197Apache-2.0 scoop-uvScoop up your Python envs with uv — the command is scuv945MIT OR Apache-2.0Command line utilitiesDevelopment tools scoopieYour favorite package manager1,484non-standardCommand line utilities scoopit-apiRust client for www.scoop.it REST API37,820MIT OR Apache-2.0 scootIm a package2,924MIT OR Apache-2.0 scootalooFree to anyone who wants it.2,251MIT scooterInteractive find and replace in the terminal13,698MITCommand line utilities scooter-coreCore find-and-replace functionality5,206MIT scopLame FFI for WereSoCool28,656GPL-3.0 scopeA high-assurance framework for scoped lifetimes and deterministic execution boundaries. Part of the Honest-Classified security…115MIT OR Apache-2.0 scope-bcaScope Blockchain Analysis - A production-grade tool for blockchain data analysis, address management, and transaction…295MITCommand line utilitiesCryptography::Cryptocurrencies scope-bca-cliScope Blockchain Analysis - Command-line interface library64MITCommand line utilitiesCryptography::Cryptocurrencies scope-bca-coreScope Blockchain Analysis - Core library for blockchain data analysis98MITCryptography::Cryptocurrencies scope-cellA crate for temporary, scope-bound, and thread-safe mutation of data in Rust.2,719MIT/Apache-2.0AlgorithmsData structures scope-cliCode intelligence CLI for LLM coding agents — structural navigation, dependency graphs, and semantic search without reading full…87MITCommand line utilitiesDevelopment tools scope-engineSemantic Code Operation & Propagation Engine50Apache-2.0 scope-exitThe util to call procedure when exit current scope. scope exit. like defer in go.2,714Apache-2.0 scope-functionsThis crate provides Kotlin-inspired scope functions for use in almost any situation.2,923MITRust patterns scope-guardSimple RAII scope guard21,831BSL-1.0No standard library scope-localScope local storage20,402Apache-2.0 scope-lockSafely extend lifetimes8,596MIT scope-monitorA multi-platform serial monitor with user-extensible features5,964MIT OR Apache-2.0 scope-spawnstructured concurrency management for tokio tasks95MIT OR Apache-2.0Concurrency scope-threadpoolRenamed to "pond"8,764BSD-2-Clause scope-tuiA simple oscilloscope/vectorscope/spectroscope for your terminal3,473MIT scope_gcScope GC10,462MIT OR Apache-2.0 scope_timerA freaking easy-to-use timer for measuring scope time for execution.7,643MIT OR Apache-2.0 scopeclockinline micro-benchmarking1,596MIT scopedRun deferred closures at success, failure, or exit of a scope. Also supports cancelling them4,519MIT scoped-arenaArena allocator with optional scopes27,192MIT OR Apache-2.0Memory managementNo standard library scoped-async-macroA macro for ergonomic scoped async tasks with borrowed data19non-standardAsynchronousRust patterns scoped-callbackRegister scoped functions with local references to 'static lifetime callbacks in a safe manner4,428Apache-2.0Memory managementNo standard library scoped-envA lifetime scoped env variable setting1,933,391non-standard scoped-errorStructured error handling with semantic context trees.199Apache-2.0 WITH LLVM-exceptionCommand-line interfaceRust patterns scoped-executorWIP1,610Apache-2.0 OR MIT scoped-futuresA utility crate for imposing upper bounds on Future lifetimes.10,179,270MIT OR Apache-2.0Asynchronous scoped-gcDerive plugin for the `scoped-gc` crate8,938AGPL-3.0 scoped-gc-deriveScoped garbage collection for Rust7,368AGPL-3.0 scoped-heedRedis-like database isolation for LMDB via heed - provides completely isolated scopes within a single environment5,664MIT OR Apache-2.0Data structuresDatabase interfaces scoped-join-setA scoped variant of tokio::task::JoinSet for spawning non-'static futures.1,926MIT OR Apache-2.0AsynchronousConcurrency scoped-mutexAn abstraction over closure-based mutexes1,307MIT OR Apache-2.0Embedded developmentNo standard library scoped-mutex-traitsAn abstraction over closure-based mutexes1,638MIT OR Apache-2.0Embedded developmentNo standard library scoped-panic-hookAdds scoped, nestable, thread-local hooks for panics and some utilities for capturing and analyzing panics more conveniently10,175MIT scoped-poolA flexible thread pool providing scoped threads.276,214MIT scoped-refReferences with safe runtime-checked lifetimes.39MIT OR Apache-2.0ConcurrencyMemory management scoped-sassProcedural macros for compiling scoped Sass modules into Rust code33MIT scoped-sass-coreCore scoped Sass compiler used by the scoped-sass proc-macro crate76MIT scoped-sleepRAII sleep14,580Apache-2.0Rust patterns scoped-stream-sinkEasy way to make streams and sinks8,835Apache-2.0 scoped-threadSimple scoped thread implementation2,918MIT scoped-thread-poolA flexible thread pool providing scoped threads. Updated fork of https://github.com/reem/rust-scoped-pool7,215MIT scoped-threadpool-stdA simple scoped threadpool implementation and related tests including a password hasher3,415MIT scoped-tlsLibrary implementation of the standard library's old `scoped_thread_local!` macro for providing scoped access to thread local…169,618,039MIT/Apache-2.0 scoped-tls-hktA more flexible version of `scoped-tls`, allowing the following additional features: - Storage of references to dynamically…3,024,062MIT/Apache-2.0 scoped-traceCollect scoped backtraces.2,090Apache-2.0 OR MITDevelopment tools::Debugging scoped-valueAn extension trait for scoping thread locals to a future15MITAsynchronousConcurrency scoped-vecA library for scoped Vecs, allowing multi-level divergence from the root element.1,699WTFPL OR 0BSD scoped-writerScoped writer utility14,583MITRust patterns scoped_allocatorA scoped linear allocator.9,386MIT scoped_async_spawnspawn non-static futures2,946MPL-2.0 scoped_cellCell which allowes lifetimed references to be passed into static contexts. Cell allows access until call stack returns.1,648MIT/Apache-2.0 scoped_cssA crate for the css! macro2,660MIT/Apache-2.0 scoped_logA helpful wrapper to the log crate offering scoped information3,661MIT scoped_nameA small Rust library meant for tracking identifiers in nested scopes3,220Apache-2.0 scoped_referenceRuntime-checked borrow lifetimes.5,002MIT OR Apache-2.0