Source: doc.rust-lang.org (std library reference) · crates.io database dump, 2026-07-25 (crates directory)Contact
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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.

kaslParses and translates the kasl code into KASL-IR, an intermediate representation for KASL.897Apache-2.0 kasl-coreParses and translates the kasl code into KASL-IR, an intermediate representation for KASL.878Apache-2.0 kasl-cranelift-backendBackend implementation of KASL for Cranelift.486Apache-2.0 kasl-irAn intermediate representation for the KASL language.789Apache-2.0 kaslan29Basit bir deneme crate'i.732MIT OR Apache-2.0Development tools kaslcA command-line tool to compile and run kasl programs.290Apache-2.0 kasmThe Kerbal Compiler Collection assembler for kOS7,913GPL-3.0 kasm-aarch64AArch64-specific assembly macros for kernel development.27,299Apache-2.0No standard libraryOperating systems kaspa-addressesKaspa address34,018ISC kaspa-addressmanagerKaspa address manager12,179ISC kaspa-allocKaspa allocator wrapper4,501ISC kaspa-bip32BIP32 for Kaspa14,330ISC kaspa-cliKaspa CLI6,459ISC kaspa-connectionmanagerKaspa connection manager11,737ISC kaspa-consensusKaspa consensus library10,646ISC kaspa-consensus-clientKaspa consensus client data structures14,602ISC kaspa-consensus-coreKaspa consensus core33,381ISC kaspa-consensus-notifyKaspa consensus notifier22,812ISC kaspa-consensus-wasmKaspa consensus core WASM bindings15,103ISC kaspa-consensusmanagerKaspa consensus library12,455ISC kaspa-coreKaspa core34,284ISC kaspa-daemonUtilities for running Kaspa node and tools as a child processes6,872ISC kaspa-databaseKaspa database14,128ISC kaspa-grpc-clientKaspa gRPC client11,771ISC kaspa-grpc-coreKaspa gRPC core12,442ISC kaspa-grpc-serverKaspa gRPC server8,050ISC kaspa-hashesKaspa hashing functions34,955ISC kaspa-index-coreKaspa index core20,262ISC kaspa-index-processorKaspa index processor8,064ISC kaspa-mathKaspa misc math library34,133ISC kaspa-merkleKaspa merkle tree library33,833ISC kaspa-metrics-coreTools for collecting and reporting Kaspa p2p node metrics6,637ISC kaspa-minerA high performance Kaspa CPU miner for testnets and development networks7,864MIT/Apache-2.0Command line utilities kaspa-miningKaspa mining13,348ISC kaspa-mining-errorsKaspa mining error definitions16,489ISC kaspa-muhashKaspa Muhash library33,929ISC kaspa-ng-macrosMacros for the Kaspa NG project2,702MIT OR Apache-2.0 kaspa-notifyKaspa notification subsystem23,585ISC kaspa-osKaspa Node & Wallet Manager3,881MIT/Apache-2.0 kaspa-p2p-flowsKaspa p2p flows11,297ISC kaspa-p2p-libKaspa p2p library12,399ISC kaspa-perf-monitorKaspa process performance monitoring tools7,258ISC kaspa-powKaspa proof-of-work17,624ISC kaspa-rpc-coreKaspa RPC core20,139ISC kaspa-rpc-macrosMacros for the Kaspa RPC infrastructure18,981ISC kaspa-rpc-serviceKaspa RPC service9,639ISC kaspa-sdkA fully functional implementation SDK for the Kaspa Network, covering most of the functionality that interoperates with the Kaspa…175GPL-3.0 kaspa-txscriptKaspa txscript engine library31,637ISC kaspa-txscript-errorsKaspa txscript errors33,787ISC kaspa-utilsKaspa utilities34,929ISC kaspa-utils-towerKaspa utilities and middleware for Tower HTTP7,903ISC kaspa-utxoindexKaspa UTXO index11,872ISC kaspa-walletKaspa wallet8,458ISC kaspa-wallet-cliKaspa CLI wallet library5,253MIT/Apache-2.0 kaspa-wallet-cli-wasmKaspa CLI wallet for WASM8,400ISC kaspa-wallet-coreKaspa wallet library12,671ISC kaspa-wallet-keysKaspa wallet key primitives4,098ISC kaspa-wallet-macrosMacros for the Kaspa Wallet infrastructure6,785ISC kaspa-wallet-psktPartially Signed Kaspa Transaction3,404ISCCryptography::Cryptocurrencies kaspa-wasmKASPA WASM bindings8,554ISC kaspa-wasm-coreKaspa core WASM32 types16,737ISC kaspa-workflow-perf-monitorA toolkit designed to be a foundation for applications to monitor their performance.20MITAccessibilityAPI bindings kaspa-wrpc-clientKaspa wRPC client15,395ISC kaspa-wrpc-coreKaspa wRPC core3,185MIT/Apache-2.0 kaspa-wrpc-proxyKaspa wRPC to gRPC proxy7,198ISC kaspa-wrpc-serverKaspa wRPC server8,806ISC kaspa-wrpc-wasmKaspa wRPC WASM client10,818ISC kaspadKaspa full node daemon8,528ISC kassCassandra CLI multi-partition query runner1,766Apache-2.0Command line utilitiesDatabase interfaces kassaclientLCU Client for the Kassadin Project3,086Apache-2.0 kassadinA library to work with the LCU and the Riot API2,377Apache-2.0 kassandraSingle node kassandra implementation24,718MIT kassandra-clientInteract with an FMD service6,246GPL-3.0 kassandra-sharedLogic and types shared between multiple components of the service1,840GPL-3.0 kassandra-testerTester utility for cassandra14,110MIT kassapiRiot API Mappings for the Kassadin Project3,079Apache-2.0 kassaroutesRoutes Kassadin Project4,315Apache-2.0 kassatypesTypes for the Kassadin Project4,311Apache-2.0 kassenbonSimple receipt parser.296MITCommand line utilities kassetteKassette SDK (crate name reservation)86Apache-2.0Development tools kassianRelease intelligence platform — AI-powered deployment evaluation20Apache-2.0 kastkast programming language716MIT kast-astast parser for kast956MIT kast-refmapmap where keys are references - not values behind references961MIT kast-try-hashFailable Hash trait1,347MIT kast-try-hash-deriveFailable Hash trait (derive macros)1,537MIT kast-utilUtilities for kast1,158MIT kasteRust port of a simple library for application data storage.1,519MIT kastellan-coreAgent core: scheduler, memory orchestration, policy gate, LLM router, IPC, audit log.40AGPL-3.0-only kastellan-dbPostgres bring-up: idempotent initdb + UDS-only config + per-user data dir.60AGPL-3.0-only kastellan-leak-scanPure credential-leak scanner: secret-value fingerprinting + streaming rolling-window matcher, shared by the egress proxy (detect)…28AGPL-3.0-only kastellan-llm-routerSole egress for LLM calls. OpenAI-compatible HTTP client with backend selection (local/frontier) and a Phase-5 policy-gate seam.59AGPL-3.0-only kastellan-matrix-wireShared serde wire types for the Matrix channel worker <-> core JSON-RPC surface.27AGPL-3.0-only kastellan-net-classifyPure IP-range classifier: the SSRF / DNS-rebinding deny predicate the egress proxy enforces at connect time, extracted to a…19AGPL-3.0-only kastellan-protocolJSON-RPC 2.0 over stdio: tool-worker IPC. MCP-compatible stdio transport.158AGPL-3.0-only kastellan-sandboxCross-platform sandbox abstraction: bwrap+Landlock+seccomp on Linux, sandbox-exec (Seatbelt) on macOS.65AGPL-3.0-only kastellan-supervisorService-supervisor abstraction: systemd --user (Linux) and launchd LaunchAgents (macOS).79AGPL-3.0-only kastellan-worker-egress-proxyPer-worker egress proxy: host-allowlist + SSRF/IP-pinning boundary + TLS interception over a UDS.35AGPL-3.0-only kastellan-worker-embed-brokerTrusted embedding broker sidecar: bridges a jailed worker's UDS to the operator's embedding backend (text -> vector), so the…15AGPL-3.0-only kastellan-worker-matrixSandboxed channel worker: wraps matrix-rust-sdk (login + E2E sync + buffered inbound) behind a JSON-RPC stdio surface…15AGPL-3.0-only kastellan-worker-preludeWorker-side defence-in-depth: Landlock + seccomp-bpf, applied from inside the worker process before serving any request.120AGPL-3.0-only kastellan-worker-python-execTool worker: run agent-authored Python (stdlib only) in a no-net, scratch-only jail.15AGPL-3.0-only kastellan-worker-search-brokerTrusted search broker sidecar: bridges a jailed worker's UDS to a SearxNG backend (query -> results), so the force-routed worker…15AGPL-3.0-only kastellan-worker-shell-execTool worker: run an argv from a strict allowlist. No shell interpretation.36AGPL-3.0-only kastellan-worker-web-commonShared building blocks for net-egress tool workers: host allowlist matcher + capped HTTP transport seam.104AGPL-3.0-only kastellan-worker-web-fetchTool worker: fetch a URL (HTTPS-only, host allowlist) and return extracted readable text. GET-only.38AGPL-3.0-only kastellan-worker-web-researchComposite tool worker: search (SearxNG) + fetch top-N allowlisted pages + rank relevant passages, in one call. GET-only.15AGPL-3.0-only kastellan-worker-web-searchTool worker: query an operator-configured SearxNG instance and return ranked structured hits. GET-only.37AGPL-3.0-only kasuariA rust layout solver for GUIs, based on the Cassowary algorithm. A fork of the unmaintained cassowary-rs crate with improvments…12,395,201MIT OR Apache-2.0AlgorithmsCommand-line interface katFramework for known-answer tests1,728Apache-2.0Development toolsDevelopment tools::Testing kat-coreKat Schedule Core1,486MIT kataMulti-project template applier with AI-delegated merge293MITCommand line utilitiesDevelopment tools kata-rsNLHE kata1,512MIT kata-tuiTerminal dashboard for Kata project visibility24MIT kata_machineA quick way to generate a sandbox, start coding and easily test your katas across multiple languages10,660MIT kataanA high-performance JavaScript engine written in pure Rust. Library, C FFI, and CLI.759MITCompilersDevelopment tools katabastirdA simple graphical countdown timer that is configured and launched from the commandline.2,740non-standard katacA simple command-line application to streamline the process of practicing coding katas150MIT OR Apache-2.0Command line utilitiesDevelopment tools katachi_coreA little DSL for describing the shape of data2,306non-standard katago-analysisA wrapper around KataGo's analysis engine.86MITAPI bindings katal_github_clientGitHub client795AGPL-3.0-or-later katalystHigh performance, modular API Gateway7,194MITNetwork programmingWeb programming katalyst_macrosProcedural macros for katalyst2,758MITNetwork programmingWeb programming katanaA fast and accurate rule-based sentence segmentation tool for Rust. A port from Louie Mullie's Scalpel.11,544MIT katana-ast-lintReusable AST lint rules for KatanA ecosystem repositories4,625MITDevelopment tools katana-diagram-rendererCompatibility wrapper for katana-render-runtime.876MIT katana-diagram-renderer-cliCLI front-end for katana-render-runtime: render, reference-update, compare, bench.108MIT katana-document-viewerKatanA document viewer artifact, render evaluation, and export foundation.2,933MIT katana-markdown-engineRenderer-neutral Markdown document model for the KatanA ecosystem18MITParser implementations katana-markdown-lintermarkdownlint-compatible Markdown linter library5,991MITCommand line utilitiesDevelopment tools katana-markdown-modelRenderer-neutral Markdown document model for the KatanA ecosystem3,354MITParser implementations katana-osm-sharedShared GeoParquet Arrow schemas + WKB geometry backend (CPU/wgpu) for katana-osm60MIT katana-render-runtimeVersioned render runtime for KatanA diagrams and math (Mermaid, Draw.io, ZenUML, PlantUML, MathJax).3,377MIT katana-render-runtime-cliCLI front-end for katana-render-runtime: render, reference-update, compare, bench.294MIT katana-ui-coreFramework-neutral UI Core for the KatanA ecosystem (runtime / window / surface / widgets)77MIT katapultA dev tool1,465MIT kataruKataru - the YAML-based dialogue engine for game development.13,937MIT OR Apache-2.0 katatsukiTagLib-based Music Tag Library23,104MIT katbinA CLI for https://katb.in31,966MIT/Apache-2.0 katcpAn implementation of the KATCP monitor and control protocol9,814Apache-2.0 OR MITEncodingParser implementations katcp_deriveProc macros to accompany the katcp packages9,369MIT OR Apache-2.0EncodingParser implementations katecgenerating string representations of dates and times.1,500MIT kategorizeK-modes and K-prototypes clustering algorithms for categorical and mixed data953MITAlgorithmsScience katexRust bindings to KaTeX810,878MIT OR Apache-2.0API bindings katex-docSee README54,632Unlicense OR MIT katex-gdef-v8Rust library for fast use of KaTeX via V8 engine.4,212MITMathematicsRendering katex-rsA Rust implementation of KaTeX - Fast math typesetting for anywhere, more than just the web.19,531MITMathematicsParsing tools katex-v8KaTeX bindings that use the v8 engine955MIT katex-wasmbindKaTeX Render for wasm bind20,508MPL-2.0 katexitInsert KaTeX autorender script into rustdoc2,933,232MIT OR Apache-2.0 katexit-exampleRendered example of katexit5,692MIT OR Apache-2.0 katexit-example-nightlyRendered example of katexit with nightly rustc1,550Apache-2.0 katgpt-coreShared types and SIMD kernels for katgpt-rs and riir-engine69MITAlgorithmsData structures katgpt-decDiscrete Exterior Calculus substrate — exterior derivative, codifferential, Hodge Laplacian/decomposition, Stokes calculus,…48MITMathematicsScience katgpt-hlaHigher-order Linear Attention (HLA) substrate — O(1) inference cache types and streaming kernels. Pure substrate, depends only on…46MITAlgorithmsScience katgpt-micro-beliefMicro-recurrent belief-state kernel — implicit per-entity state tracking. Single-paper distillation (arXiv:2604.17121). Depends…47MITAlgorithmsScience katgpt-personalityPersonality-Weighted Latent Layer Composition — sigmoid-gated N-layer latent direction composition + reward-surprise drift +…50MITAlgorithmsScience katgpt-senseKG Latent Octree Sense substrate — octree construction, reconstruction, BAKE precision-gated update, LOD routing, serialization.…46MITAlgorithmsData structures katgpt-sleepSleep-Time Query Anticipator — offline query anticipation substrate (arXiv:2504.13171 Lin et al.). SleepTimeAnticipator…39MITAlgorithmsScience katgpt-typesShared configuration, RNG, math utilities, LoRA, domain embeddings, and inference types for katgpt-rs / riir-engine. Pure…71MITAlgorithmsData structures kathaEvent sourcing core traits and types for Rust (SQLite/Postgres backend in katha-sqlx)151MIT OR Apache-2.0AsynchronousDatabase interfaces katha-macrosProc-macro helpers for katha — #[derive(EventName)] and friends156MIT OR Apache-2.0Development tools::Procedural macro helpers katha-parsersParser adapters for EPUB, DOCX, and PDF document ingestion.73MIT katha-sqlxSQLite/Postgres event-sourcing backend for katha (SqlxEventStore, SqlxCommandStore)104MIT OR Apache-2.0AsynchronousDatabase interfaces katharsisCLI tool for generating RSS feeds.7,050MITCommand line utilities kathoeyRust library for text feminization using open corpus linguistics data20,639LGPL-3.0-only kathputliMinimal typed-mailbox actor framework over Tokio — actors respond to messages like puppets to strings87MIT OR Apache-2.0AsynchronousConcurrency kathyConst-evaluated swift-style keypaths1,254MPL-2.0Data structuresNo standard library kathy_macrosThe proc-macros for the 'kathy' crate1,850MPL-2.0Data structuresNo standard library katjingA money library exploring the aplicability of Rusts unique language features for safe money management.1,545MIT OR Apache-2.0Data structures katlaKatla is a data flow generator22GPL-3.0-only katnissWIP3,925Apache-2.0 katniss-ingestorWIP4,471Apache-2.0 katniss-pb2arrowWIP4,928Apache-2.0 katokLocal KakaoTalk keyword, BM25, and vector search CLI for Apple Silicon macOS97MITCommand line utilities katsuyou`katsuyou` is a command line to show all conjugation form of a Japanese verb or adjective.1,884MIT katt-doci am come from china1,708MIT katte-lib-rsfirst lib2,681MIT kattisManage Kattis submissions, samples and templates from the terminal.7,298MIT OR Apache-2.0Command line utilities kattis-rsCompetitive programming checker for open.kattis.com13,203MITCommand line utilities katu-agentKatu Agent loop — stream consumer, tool executor, and runner19MIT OR Apache-2.0 katu-coreCore traits and types for the Katu AI Agent framework156MIT OR Apache-2.0 katu-llmLLM abstraction layer for the Katu AI Agent framework95MIT OR Apache-2.0 katu-provider-httpShared HTTP/SSE transport layer for Katu LLM provider adapters68MIT OR Apache-2.0 katu-provider-openaiOpenAI Chat Completions provider adapter for the Katu LLM framework42MIT OR Apache-2.0 katu-toolBuilt-in tools for the Katu AI Agent framework43MIT OR Apache-2.0 katwalkUtility to iterate over NIST KAT vectors. It allows to bind an action for each test vector supplied by calling code. Hence,…31,769MIT katypeA fast typing test from terminal writted in Rust 🦀1,502MITCommand-line interface katzenpost_thin_clientThis rust crate provides an async thin client library for Katzenpost, a post quantum decryption mixnet.4,984AGPL-3.0-only kauKeep the name for future use as a framework.43MIT kaudioutilities for audio processing61,365MIT/Apache-2.0Science kauthReserved.1,477MIT kavachSandbox execution framework — backend abstraction, strength scoring, policy engine, credential proxy, and audit hooks820AGPL-3.0-onlyOperating systemsWeb programming kavach-coreCore execution boundary engine, gate, verdicts, identity, policy, drift, invariants252LicenseRef-Elastic-2.0AsynchronousAuthentication kavach-pqPost-quantum transport security, ML-KEM key encapsulation, ML-DSA signatures, hybrid channels, verdict signing199LicenseRef-Elastic-2.0AuthenticationCryptography kavach-redisRedis-backed implementations of Kavach's distributed stores and invalidation broadcaster165LicenseRef-Elastic-2.0CachingDatabase interfaces kavalGuard your ports. A developer-focused port and process manager TUI.96MITCommand line utilitiesNetwork programming kavodAn algorithmic backtesting & trading library17MIT OR Apache-2.0 kawaAgnostic representation of HTTP/1.1 and HTTP/2.0 for parsing, generating and translating HTTP messages, with zero-copy, made for…36,489non-standard kawa-cliCommand-line interface for Kawa message broker453MIT OR Apache-2.0Command line utilities