All 305,250 crates, alphabetically

selium-kernelStreaming compute fabric701MPL-2.0Development toolsVirtualization selium-logselium-log is an open-source implementation of a log-based message queue.2,395MPL-2.0Network programming selium-messagingStreaming compute fabric215MPL-2.0Development toolsVirtualization selium-net-hyperStreaming compute fabric219MPL-2.0Development toolsVirtualization selium-net-quinnStreaming compute fabric220MPL-2.0Development toolsVirtualization selium-protocolselium-protocol is a dependent crate of Selium. Do not use directly.7,403MPL-2.0 selium-remote-cliSelium module for supporting remote clients111MPL-2.0Development toolsVirtualization selium-remote-clientSelium module for supporting remote clients223MPL-2.0Development toolsVirtualization selium-remote-client-protocolSelium module for supporting remote clients326MPL-2.0Development toolsVirtualization selium-runtimeStreaming compute fabric111MPL-2.0Development toolsVirtualization selium-serverThe server-side binary for Selium, an extremely developer friendly, composable messaging platform with zero build time…7,735MPL-2.0Network programming selium-stdselium-std is a dependent crate of Selium. Do not use directly.7,239MPL-2.0 selium-switchboardSelium module for abstracting channel management and messaging patterns635MPL-2.0Development toolsVirtualization selium-switchboard-coreSelium module for abstracting channel management and messaging patterns216MPL-2.0Development toolsVirtualization selium-switchboard-protocolSelium module for abstracting channel management and messaging patterns837MPL-2.0Development toolsVirtualization selium-toolsA CLI application containing tools for Selium developers2,676MPL-2.0Network programming selium-userlandStreaming compute fabric1,932MPL-2.0Development toolsVirtualization selium-userland-macrosStreaming compute fabric2,030MPL-2.0Development toolsVirtualization selium-wasmtimeStreaming compute fabric215MPL-2.0Development toolsVirtualization selkie-rsA Rust implementation of the mermaid diagramming parser and renderer8,381MITParsing toolsVisualization sellappSimple asynchronous wrapper for the Sell.App API.1,276Apache-2.0 selloDEPRECATED: Renamed to txgate. This crate re-exports txgate for backward compatibility.49MIT OR Apache-2.0Command line utilitiesCryptography sello-chainDEPRECATED: Renamed to txgate-chain. This crate re-exports txgate-chain for backward compatibility.60MIT OR Apache-2.0CryptographyParser implementations sello-coreDEPRECATED: Renamed to txgate-core. This crate re-exports txgate-core for backward compatibility.62MIT OR Apache-2.0Cryptography sello-cryptoDEPRECATED: Renamed to txgate-crypto. This crate re-exports txgate-crypto for backward compatibility.62MIT OR Apache-2.0Cryptography sello-policyDEPRECATED: Renamed to txgate-policy. This crate re-exports txgate-policy for backward compatibility.57MIT OR Apache-2.0ConfigurationCryptography selmrPackage to create and use Simple Explainable Language Multiset Representations7,763MIT selogSimple, Easy LOGger logs to StdErr.4,326MITDevelopment tools::Debugging selthiA Rust library for building interactive prompts15,006MIT selvaA glsl live coding daemon.1,967non-standard selvageClean-room LoRa PHY profiles shared by Tulle host and embedded code.17MPL-2.0Embedded developmentNo standard library selvittrack your inputs/outputs488GPL-3.0-or-later selyaSELYA - Specific Language for Young and Adult :D1,529MIT semIPC semaphore2,945GPL-3.0 sem-cliSemantic version control CLI. Shows what entities changed (functions, classes, methods) instead of lines.989MIT OR Apache-2.0Command line utilitiesDevelopment tools sem-cloud-clientShared client for sem-cloud: credentials, repo resolution, caching, and the metered graph API. Used by both the sem CLI and the…60MIT OR Apache-2.0Development tools sem-coreEntity-level semantic diff engine. Extracts functions, classes, and methods from 28 languages via tree-sitter and diffs at the…7,538MIT OR Apache-2.0Development toolsParser implementations sem-mcpMCP server for entity-level semantic code intelligence. 6 tools: sem_entities, sem_diff, sem_blame, sem_impact, sem_log,…1,133MIT OR Apache-2.0Command line utilitiesDevelopment tools sem-regHandle certain Windows registry binary values semantically. Extensible.2,803MIT OR Apache-2.0AccessibilityAPI bindings sem-toolA simple Semantic Versioning CLI tool for parsing, filtering, sorting and explaining8,846Apache-2.0Command line utilities sem-versionAutomatically retrieve the next version to release based on your commits.1,153MIT sem_safeSafe usage of POSIX Semaphores (`sem_post`, `sem_wait`, etc).38,625UnlicenseAPI bindingsConcurrency semaRust semaphore library27,953MIT sema-coreCore types and environment for the Sema programming language2,050MIT sema-dapDebug Adapter Protocol server for Sema449MIT sema-docsCanonical structured documentation for Sema builtins/special forms; powers LSP hover/completion and REPL apropos580MIT sema-evalTrampoline-based evaluator and module system for the Sema programming language987MIT sema-fmtCode formatter for Sema source files602MIT sema-ioThe process-wide tokio I/O pool behind sema-core's executor seam73MIT sema-langSema — a Lisp dialect with first-class LLM primitives432MITCommand line utilitiesCompilers sema-llmLLM provider integrations (Anthropic, OpenAI) for the Sema programming language1,342MIT sema-lspLanguage Server Protocol server for Sema432MIT sema-mcpMCP (Model Context Protocol) server for Sema431MIT sema-notebookNotebook interface for Sema — cell-based evaluation with HTTP API and browser UI514MIT sema-otelOpenTelemetry GenAI tracing facade for the Sema runtime583MIT sema-readerLexer and s-expression parser for the Sema programming language1,677MIT sema-stdlibStandard library (350+ native functions) for the Sema programming language1,130MIT sema-vmBytecode compiler and virtual machine for the Sema programming language1,314MIT sema-workflowSequential dynamic-workflow runtime + frozen JSONL run-directory journal for Sema208MIT semagraphDeterministic CLI for classifying and compressing state-transition trajectories over a six-bit state alphabet. No inference, no…17Apache-2.0Command line utilities semagraph-core-rsRust feasibility core for SemaGraph Q6 / State64 deterministic transition compression.23Apache-2.0AlgorithmsData structures semalockA library for concurrently writing to files in a safe and efficient manner.14,360Apache-2.0 semantex-cliCLI for semantex semantic code search74Apache-2.0 semantex-coreCore library for semantex semantic code search (indexing, embeddings, search)107Apache-2.0 semantex-mcpMCP server for semantex semantic code search87Apache-2.0 semanticSoon: Automatic crate publishing done right2,673 semantic-analyzerSemantic analyzer library for compilers written in Rust for semantic analysis of programming languages AST260,514MITCompilersDevelopment tools semantic-code-edit-mcpMCP server for semantic code editing with tree-sitter494Apache-2.0Development toolsText processing semantic-commandsA lightweight Rust framework for defining and executing semantic commands using text embeddings71MIT OR Apache-2.0AsynchronousCommand line utilities semantic-diffA terminal diff viewer with AI-powered semantic grouping (Claude CLI / Copilot)278MITCommand line utilitiesDevelopment tools semantic-dom-ssgMachine-readable web semantics for AI agents. O(1) lookup, deterministic navigation, token-efficient serialization.42MITAccessibilityParsing tools semantic-edit-mcpMCP server for semantic code editing with tree-sitter2,145MIT OR Apache-2.0Development toolsText processing semantic-exitSemantic exit codes inspired by HTTP status codes1,584Apache-2.0 semantic-idThe identifier with semantic postfix785MIT semantic-memoryLocal-first hybrid semantic search (SQLite + FTS5 + usearch 2.25) with bitemporal truth and typed receipts477Apache-2.0Data structuresDatabase interfaces semantic-memory-forgeForge verification truth: evidence bundles, export envelopes, and causal estimation substrate486Apache-2.0 semantic-memory-mcpMCP server wrapping semantic-memory — local-first knowledge management with evidence-scored retrieval, contradiction detection,…206Apache-2.0Database interfacesDevelopment tools semantic-queryAI-powered schema validation with automatic JSON generation for type-safe responses867MIT semantic-rag-mergeSemantic merging with RAG and LLM Arbiter for AIVCS (Layer 3)358Apache-2.0Development tools semantic-release-cargoA CLI to integrate Rust into a semantic-release workflow.494,117MIT OR Apache-2.0Command line utilitiesDevelopment tools::Build Utils semantic-release-rustA CLI to integrate Rust into a semantic-release workflow.24,488MIT OR Apache-2.0Command line utilitiesDevelopment tools::Build Utils semantic-rsAutomatic crate publishing4,368MIT semantic-sceneRust parser for semantic scene descriptors, currently focused on Habitat-Sim Matterport3D .house files.34MITParser implementationsScience semantic-scholar-rsUnofficial Rust SDK and MCP server for the Semantic Scholar API62MITAPI bindingsScience semantic-search🔎 Semantic search library.4,371GPL-3.0-or-laterCommand line utilitiesDevelopment tools semantic-search-cli🔎 Semantic search cli.4,080GPL-3.0-or-laterCommand line utilitiesDevelopment tools semantic-sift-coreHigh-performance Rust core for context distillation (Studio of Two)107Apache-2.0Development toolsScience semantic-test-projecttest project4,926MIT semanticatAn experimental utility to cluster/sort the lines of a file based on word embeddings.73BSD-3-ClauseCommand line utilities semanticpenOfficial Rust SDK for SemanticPen API - AI-powered content generation454MITAPI bindingsWeb programming::HTTP client semanticsSemantics mapping1,574BSD-3-Clause semantics-deriveSemantics mapping; derive proc-macro2,219BSD-3-Clause semanticscholarA wrapper around the [Semantic Scholar](https://www.semanticscholar.org/) API3,860MITAPI bindingsScience semanticsimilarity_rsA library designed to compute similarity/distance metrics between embeddings15,670MIT semantixTypes for Parsing CDS Files3,990MIT semaphoreAtomic/lock-free counting semaphore49,561BSD-2-Clause semaphore-keyA Rust library to control concurrent thread access by key using a shared semaphore8,678LGPL-2.1-onlyAsynchronousConcurrency semaphore-protocolSemaphore Rust Implementation731MITCryptography semaphore-rsRust support library for Semaphore57,031MITCryptography semaphore-rs-ark-circomRust support library for Semaphore89,999MITCryptography semaphore-rs-ark-zkeyRust support library for Semaphore57,401MITCryptography semaphore-rs-depth-configRust support library for Semaphore57,071MITCryptography semaphore-rs-depth-macrosRust support library for Semaphore56,901MITCryptography semaphore-rs-hasherRust support library for Semaphore91,512MITCryptography semaphore-rs-keccakRust support library for Semaphore57,057MITCryptography semaphore-rs-poseidonRust support library for Semaphore57,027MITCryptography semaphore-rs-proofRust support library for Semaphore56,197MITCryptography semaphore-rs-storageRust support library for Semaphore91,103MITCryptography semaphore-rs-treesRust support library for Semaphore90,908MITCryptography semaphore-rs-utilsRust support library for Semaphore56,392MITCryptography semaphore-rs-witnessRust support library for Semaphore56,877MITCryptography Semaphoresa rust test1,308MIT semaphorusAtomic semaphores3,894MIT OR Apache-2.0 semasiaa compile-time in-place parser generator in rust149MIT OR Apache-2.0Parsing tools semasia-auto-productionsattribute for auto productions in semasia58MIT or Apache-2.0 semasia-auto-productions-parserparser for the auto production attribute in semasia85MIT or Apache-2.0 semasia-dyn-grammardynamic grammar backend for semasia120MIT or Apache-2.0 semasia-ebnf-parserparser of ebnf production for semasia84MIT or Apache-2.0 semasia-ebnf-proc-macroprocedural macro for ebnf production in semasia58MIT or Apache-2.0 semasia-from-inheritedhelper type for inherited attributes in semasia58MIT or Apache-2.0 semasia-grammargrammar attribute for semasia74MIT or Apache-2.0 semasia-parsergeneric parser of a semasia grammar59MIT or Apache-2.0 semasia-productionmacro to create a semasia production57MIT or Apache-2.0 sembasThis crate provides tools for exploring the edge of a performance mode for complex systems testing, analysis, and optimization. A…1,093GPL-3.0 semblesemble20MIT semble-rssemble-rs20MIT semchunk-rsA fast and lightweight Rust library for splitting text into semantically meaningful chunks.8,732MITText processing semcodeSemantic code search for C/C++ codebases67MIT OR Apache-2.0 semcommitA command line tool to generate semantic commit messages12,638MIT OR Apache-2.0 semdiffSemantic diff for JavaScript and TypeScript.18MITCommand line utilitiesDevelopment tools semdiff-cliCommand-line interface for the semdiff semantic diff tool.169Apache-2.0 OR MIT semdiff-coreCore traversal, diff calculation, and reporting traits for semdiff.781Apache-2.0 OR MIT semdiff-differ-audioAudio diff calculator and reporters for semdiff.267Apache-2.0 OR MIT semdiff-differ-binaryBinary diff calculator and reporters for semdiff.268Apache-2.0 OR MIT semdiff-differ-imageImage diff calculator and reporters for semdiff.267Apache-2.0 OR MIT semdiff-differ-jsonJSON diff calculator and reporters for semdiff.276Apache-2.0 OR MIT semdiff-differ-textText diff calculator and reporters for semdiff.272Apache-2.0 OR MIT semdiff-outputHTML, JSON, and summary report outputs for semdiff.710Apache-2.0 OR MIT semdocSemDoc is a document file format that allows writers to focus on the content solely and empowers readers to adapt the appearance…1,612MIT semdumpA Rust library for rendering annotated hexdumps of binary data, highlighting specific parts based on their semantic meaning.56MITDevelopment toolsEncoding semdupEmbedding-based near-duplicate function detector for source code105MIT OR Apache-2.0Command line utilitiesDevelopment tools semeionA generic 2D environment simulator13,911MIT semenSemantic Versioning Enforcer — parse and validate SemVer 2.0.0 strings24MITParser implementations semesterHigh efficiency classnames macro5,231MPL-2.0 semester-macroHigh efficiency classnames macro5,897MPL-2.0 semi-persistentSemi-persistent data structures, e-graphs, and recursion schemes26Apache-2.0 semi-persistent-containersSemi-persistent core data structures with O(1) snapshots and O(k) restore101Apache-2.0 semi-persistent-egraphSemi-persistent equality saturation engine with e-matching, rewrite scheduling, and proof logging66Apache-2.0 semi-persistent-traversalsArena-based recursion schemes: stack-safe folds, unfolds, transforms, and zippers64Apache-2.0 semi-persistent-traversals-deriveDerive macros for semi-persistent-traversals97Apache-2.0 semi_e37High-Speed SECS Message Services3,677MITNetwork programming semi_e5SEMI Equipment Communications Standard 2 - Message Content2,964MITNetwork programming semicolonfreedom from semicolons! (macros 'm')3,080MIT semicontinuous_modelsReusable models for semi-continuous outcomes (two-part, Tweedie, and log-normal)41MIT OR Apache-2.0AlgorithmsMathematics semiflowno_std Rust PDE solver: evolution equations via Chernoff approximation of operator semigroups (heat, diffusion, Schrodinger)186MIT OR Apache-2.0AlgorithmsMathematics semifoldNext-generation cross-language monorepo version and release management tool2,111AGPL-3.0-only semifold-changelogNext-generation cross-language monorepo version and release management tool1,052AGPL-3.0-only semifold-coreNext-generation cross-language monorepo version and release management tool74AGPL-3.0-only semifold-resolverNext-generation cross-language monorepo version and release management tool2,150AGPL-3.0-only semigroupUseful semigroup trait778non-standard semigroup_deriveUseful semigroup trait969non-standard semihostingSemihosting for AArch64, Arm, RISC-V, LoongArch, MIPS32, MIPS64, and Xtensa.1,241,182Apache-2.0 OR MITEmbedded developmentHardware support semihosting-filesAccess files of the host system during semihosting7,181MIT OR Apache-2.0Embedded developmentFilesystem semilatticesemilattice1,674MIT OR Apache-2.0 semilattice-client-libThis is still in development.1,234MIT/Apache-2.0Database interfacesDatabase implementations semilattice-databaseData is connected by a directed graph, and each node has an arbitrarily defined key-value.A database is not a tree.265,802MIT/Apache-2.0Database interfacesDatabase implementations semilattice-database-sessionData is connected by a directed graph, with each node having arbitrarily defined keys and values. Sessions can then manage…101,960MIT/Apache-2.0Database interfacesDatabase implementations semilattice-macrosderive macros for the semilattice crate1,664MIT OR Apache-2.0 semilattice-scriptThis crate has moved.Search for "wild-doc".15,433MIT/Apache-2.0 semilogsemilog1,556MIT OR Apache-2.0 semilog-macrosderive macros for the semilog crate1,553MIT OR Apache-2.0 seminixseminix 内核标准库43,783Apache-2.0 seminix-stdseminix 用户标准库4,919Apache-2.0 semioscanProduction-grade Rust library for blockchain analytics: gas calculation, price extraction, and block window calculations for EVM…815Apache-2.0Cryptography::CryptocurrenciesDevelopment tools semire_coreAn extension to my former semire_read crate now with more functionality83MIT semire_readA safe, easy-to-use module for reading integers, floats, and strings from stdin in Rust.47MIT semisafeSemi-safe utilities for performance-critical Rust405MIT or Apache-2.0Development toolsRust patterns semistrImmutable string stored inline or on heap3,924MIT OR Apache-2.0 semiuniqA uniq-like tool for removing nearby repeated lines in a file4,281UnlicenseCommand line utilities semkaSemaphore implementation16,042BSL-1.0ConcurrencyNo standard library semnavLSP-backed Semantic Graph MCP server69MITCommand line utilitiesDevelopment tools semolinaOptimized field arithmetic for Pasta moduli for x86-64 and aarch64106,327Apache-2.0 semopsisSemantic-search extension over a metatheca vault: IVF-flat nearest-neighbour queries over a content-addressed embedding index,…19MIT OR Apache-2.0Command line utilitiesText processing semoraSemantic diff for Anchor/Solana programs — flags breaking changes and security regressions between versions.14MITCommand line utilitiesDevelopment tools sempgrepLearning rust with building minigrep535MIT OR Apache-2.0 semprrsemantic versioning encoding and decoding95Apache-2.0 semrsA pure rust implementation of semaphores.3,639MIT semsearchSearch your filesystem semantically.125MIT semsimianSematic similarity calculations for ontologies implemented in Rust.19,637BSD-3-Clause semsimian_serverA server for SemSimian, a semantic similarity service for biomedical ontologies1,133BSD-3-Clause semstoreLocal semantic search for Rust applications — store text, search by meaning, no cloud required95MITDatabase interfacesScience semstraitCompile semantic models to Substrait compute plans25Apache-2.0Data structuresDatabase interfaces semtech-udpSemtech UDP provides serialization and deserialization of packets complying with the Semtech UDP protocol69,011Apache-2.0 semtech_radiosSupport for Semtech SX126x and SX128x LoRa radios2,761MITNo standard library semtextTerminal UI Library1,525MIT OR Apache-2.0 semtexzv-ipfsapiCrate for interfacing with the IPFS api4,967MITAPI bindings semtoolsSemantic search and document parsing tools for the command line4,430MITCommand line utilitiesText processing semtor_rust_grepA rust implemention of grep1,524MIT semtreeLocal semantic code search, batteries included: the default semtree stack (tree-sitter + fastembed + usearch + hybrid RAG) behind…13MITDevelopment toolsText processing semtree-analyzeStatic analysis for semtree: complexity metrics, large-function detection (alpha, more features coming)64MIT