CATEGORY
WebAssembly 4,138 crates
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.
rudelblinken-runtimeHost implementation of the rudelblinken wasm runtime1,133AGPL-3.0-only
moco-vmThe tiny virtual machine1,133Unlicense
clipawlClipboard API for Rust: Web (wasm), Android, and Linux (Wayland + X11) with a portable async API1,133MIT OR Apache-2.0
bedquiltBatteries-included metacrate for the Bedquilt interactive fiction platform1,128Apache-2.0 WITH LLVM-exception
wasmshipWASM Ship is a deployment tool for WASM. Compile once, run anywhere.1,127Apache-2.0
markdown_view_leptosRender Markdown with embedded Leptos components via a simple macro (MDX-like for Leptos).1,127MIT
flow-rs-wasmWASM bindings and utilities for Flow-RS1,126MIT OR Apache-2.0
beet_connectVarious client library wrappers for external apis1,126MIT OR Apache-2.0
nam-wasmer-typesWasmer Common Types1,120MIT OR Apache-2.0 WITH LLVM-exception
eryxA Python sandbox with async callbacks powered by WebAssembly1,101MIT OR Apache-2.0
wasmletHigh-performance, embeddable WebAssembly execution engine1,097Apache-2.0 WITH LLVM-exception
theater-cliCommand-line interface for Theater actor system1,093Apache-2.0
f1-nexus-coreNext-generation Formula 1 strategy optimization platform with AI-powered race simulation1,066MIT OR Apache-2.0
primp-reqwestFork of the original reqwest library1,063MIT OR Apache-2.0
lib-q-randomUnified secure random number generation for libQ post-quantum cryptography library1,047Apache-2.0
wrpc-wasi-keyvalue-memIn-memory implementation of wRPC `wasi:keyvalue` handler1,046Apache-2.0 WITH LLVM-exception
forge-plugin-sdkOpenAPI Forge plugin author SDK (wasm32-wasip2 only)1,031Apache-2.0 OR MIT
zawZero-allocation WebAssembly communication protocol for Rust1,028Apache-2.0
async-sleep-akiIt provides simple `async_sleep()` that work well in both web browsers and native applications.1,023MIT OR Apache-2.0
neomind-extension-sdkUnified SDK for developing NeoMind Edge AI Platform extensions with ABI Version 31,023MIT OR Apache-2.0
wrpc-wasi-keyvalue-redisRedis implementation of wRPC `wasi:keyvalue` handler1,019Apache-2.0 WITH LLVM-exception
hikari-animationAnimation hooks, easing functions and transition utilities for the Hikari design system1,019non-standard
derive_web_storageEasily associate Storage values to variables and manage them without manually using the Web Storage API1,011non-standard
crdb-serverConcurrently Replicated DataBase1,010AGPL-3.0-or-later
eld🚛 ELD Toolkit for WASM frameworks like Yew, Dioxus, and Leptos.1,006MIT
rwatParse annotated wat into relocatable wasm file.1,003MIT
wasm-zip-streamA stream style zip compressing tool targeting wasm1,001Apache-2.0
crdb-indexed-dbConcurrently Replicated DataBase997AGPL-3.0-or-later
crdb-clientConcurrently Replicated DataBase993AGPL-3.0-or-later
crdb-sqliteConcurrently Replicated DataBase993AGPL-3.0-or-later
ordinary-templateTemplate engine and bindings for Ordinary992AGPL-3.0-only
cardinal-zipUtilities for building and serializing Cardinal CZip archives984Apache-2.0
wasi-passthrough-blobstorewasi:blobstore passthrough layer979Apache-2.0 WITH LLVM-exception
sublinearHigh-performance sublinear-time solver for asymmetric diagonally dominant systems977MIT OR Apache-2.0
extension_testwasm 扩展 test976Apache-2.0
ordinary-actionAction bindings and runtime for Ordinary976AGPL-3.0-only
ironmarkFast Markdown to HTML parser written in Rust with WebAssembly bindings967MIT
sqlite-webSQLite WebAssembly backend for Diesel960MIT
numbat-wasm-modulesNumbat WebAssembly standard smart contract modules956GPL-3.0-only
sidebar🗃️ A highly customizable sidebar component for WASM frameworks like Yew, Dioxus, and Leptos.953MIT
theater-server-cliStandalone CLI for Theater server management949Apache-2.0
synth-backend-aarch64AArch64 (A64) host-native backend for synth — integer subset (milestone 1, #538)949Apache-2.0
hermit-wasmRunning WASM modules inside a lightweight virtual machine948MIT/Apache-2.0
momenta-domDOM rendering extensions for Momenta framework934MIT
bevyhub-cliCLI tools for managing Bevyhub projects.928MIT OR Apache-2.0
nam-wasmer-vmRuntime library support for Wasmer926MIT OR Apache-2.0 WITH LLVM-exception
flow-rs-leptosLeptos framework integration for Flow-RS925MIT OR Apache-2.0
oxidoc-highlightLightweight syntax highlighting for documentation engines914MIT OR Apache-2.0
wasm_bresm modules for brotli compression and/or decompression, with sync and async (worker) versions903GPL-3.0-or-later
ic-sqlite-vfsSQLite VFS backed directly by Internet Computer stable memory903MIT OR Apache-2.0
fluentbase-codec-deriveA framework to build smart contracts on the Fluent L2 as well as blockchains and verifiable compute environments that compile to…900MIT
synapseNeural Communication Network with Federated Identity and Blockchain Trust896MIT OR Apache-2.0
minilambA minimal lambda calculus library in Rust895MIT OR Apache-2.0
bevy_r_placep2p r/place clone using bevy894MIT OR Apache-2.0
control-sysA Control System library implemented in Rust to design and analyze control systems.894MIT
vertigo-cmarkAllows to render CommonMark inside Vertigo tree893MIT OR Apache-2.0
rudelblinken-sdkSDK for developing applications for the rudelblinken platform886AGPL-3.0-or-later
embythe beetmash ambassador878MIT OR Apache-2.0
seven-layer-symphonyDeath of code, birth of music. Time-weaving consciousness system where intent manifests reality through 7-dimensional resonance…876MIT OR Apache-2.0
domino_cliClient to interact with a domino application running on holochain871GPL-3.0
ifc-lite-wasmWebAssembly bindings for IFC-Lite869MPL-2.0
rspytsCompile one Rust API into Python and TypeScript packages868MIT
metamorphic-logTamper-evident, append-only transparency log + verification SDK for the Metamorphic platform: RFC 6962/9162 Merkle proofs, C2SP…867MIT OR Apache-2.0
wasmlet-cliHigh-performance, embeddable WebAssembly execution engine862Apache-2.0 WITH LLVM-exception
rudelctlCommandline utility for rudelblinken858AGPL-3.0-only
hikari-iconsMaterial Design Icons (MDI) integration for the Hikari design system856non-standard
ic-cdk-bitcoin-canisterUtility for making inter-canister calls to the Bitcoin canisters on the Internet Computer854Apache-2.0
ftl-coreCore library for FTL tools - lightweight MCP server for WebAssembly852Apache-2.0
ferromotion-coreRobot kinematic optimization in Rust — FK, analytic Jacobians, Levenberg-Marquardt IK. WASM-clean.845MIT OR Apache-2.0
vertiA GPU accelerated physics engine for the Bevy game engine with first class support for WebGPU.844MIT OR Apache-2.0
jugarWASM-native universal game engine - entry point843MIT
browser-cryptoA safe Rust interface to browser-based cryptographic operations using the Web Crypto API840MIT
selium-switchboard-protocolSelium module for abstracting channel management and messaging patterns837MPL-2.0
zinc-coreCore Rust library for Zinc Bitcoin + Ordinals wallet837MIT
omnia-wasi-vaultWASI secrets vault interface for the Omnia runtime836MIT OR Apache-2.0
cc-lb-plugin-conformanceIn-process conformance harness for cc-lb wasmtime plugin authors. Verifies plugin ABI and wire fingerprint matches host.835Apache-2.0
fluentbase-codecA framework to build smart contracts on the Fluent L2 as well as blockchains and verifiable compute environments that compile to…833MIT
wgpu-3dgs-editorA 3D Gaussian splatting editing library written in Rust using wgpu.830MIT OR Apache-2.0
theater-chainAppend-only hash chain for Theater actor event history827Apache-2.0
nam-wasmer-compilerBase compiler abstraction for Wasmer WebAssembly runtime826MIT
silex_reactivityNext Generation High-Performance Rust Web Framework based on fine-grained reactivity and no-virtual-DOM architecture.822MIT OR Apache-2.0
ordinary-apiAPI server for Ordinary818AGPL-3.0-only
mqtt5-wasmMQTT v5.0 WebAssembly client and broker for browser environments817MIT OR Apache-2.0
leptos-pdfLeptos components for rendering and viewing PDFs in the browser.816MIT
poet-rhaiEmbedded scripting for Rust802MIT OR Apache-2.0
test-numbat-codec-deriveMacro implementations of test-numbat-codec #[derive(NestedEncode, NestedDecode, TopEncode, TopDecode)]799GPL-3.0-only
linreg-coreLightweight regression library (OLS, Ridge, Lasso, Elastic Net, WLS, LOESS, Polynomial) with 14 diagnostic tests, cross…797MIT OR Apache-2.0
nalgebra-randv09General-purpose linear algebra library with transformations and statically-sized or dynamically-sized matrices.797Apache-2.0
sassiTyped cache substrate for Rust applications with composable predicate algebra and cross-runtime trait queries.792MIT OR Apache-2.0
dioxus-nox-cmdkA headless Command Palette primitive for Dioxus786MIT
brokk-acp-sandboxPure-parsing logic for brokk-anvil that runs either natively (linked as a library) or inside a wasmtime-hosted WASI sandbox…786LGPL-3.0-only
test-numbat-codecLightweight binary serializer/deserializer, written especially for Numbat smart contracts783GPL-3.0-only
crdbConcurrently Replicated DataBase778AGPL-3.0-or-later
test-numbat-wasmNumbat WebAssembly smart contract API778GPL-3.0-only
moltendb-coreMoltenDB core engine — in-memory DashMap storage, WAL persistence, query evaluation. No HTTP, no auth.773non-standard
lunarsA compact, WASM-ready spaceship — fueled by Rust-grade hyperdrive! Write scripts that orbit Lua in speed and dock seamlessly with…768MIT OR Apache-2.0
wasmxHigh-performance, embeddable WebAssembly execution engine766Apache-2.0 WITH LLVM-exception
luct-coreCore types and parsers for certificate transparency766MIT OR Apache-2.0
remote_storageremoteStorage760MIT
typed-skiSKI calculus evaluator in Rust compiled to WASM760MIT
facebook_api_rsA Rust client library for the Facebook Graph API v23.0, with full support for both native and WebAssembly (WASM) environments758MIT
remotestorageremoteStorage757MIT
synaptic-neural-wasmWASM-optimized neural network engine for Synaptic Neural Mesh with SIMD acceleration756MIT OR Apache-2.0
dioxus-nox-selectHeadless Select / Combobox / Multiselect primitives for Dioxus752MIT
pda-counterA minimal Solana smart contract using Anchor to demonstrate PDA-based counter logic.751MIT
dioxus-sdk-windowWindow utilities and hooks for Dioxus.749MIT OR Apache-2.0
omnia-redisRedis resource provider749MIT OR Apache-2.0
test-numbat-wasm-nodeNumbat WebAssembly VM API wrapper745GPL-3.0-only
mcp-ectorsA high-performance enterprise-ready (soon at least) MCP actors-based server for managing multiple mcp routers, supporting tools,…742MIT
afterburner-coreAfterburner core — engine traits, types, cache registry742BUSL-1.1
omnia-azure-tableAzure backend table storage provider implementing wasi-jsondb740MIT OR Apache-2.0
inferletInferlet support library for Pie737Apache-2.0
canic-sharding-runtimeCanic — a canister orchestration and management toolkit for the Internet Computer734MIT
wasmsh-astAbstract syntax tree types for the wasmsh shell parser733Apache-2.0
flow-nginA simple cross-plattform instancing-oriented game engine with focus on full WASM-compatibility.731Apache-2.0
viam-mcp-sdkSDK for building MCP server components730MIT OR Apache-2.0
ruswacipherA Rust tool for encrypting and protecting WebAssembly modules728MIT
supply-chain-trust-example-crate-000100A library to generate and parse UUIDs.726Apache-2.0 OR MIT
pontuxA remoteStorage server and client library725MIT
omnia-postgresPostgres resource provider725MIT OR Apache-2.0
silex_coreNext Generation High-Performance Rust Web Framework based on fine-grained reactivity and no-virtual-DOM architecture.722MIT OR Apache-2.0
viam-bridge-sdkViam Bridge SDK719MIT OR Apache-2.0
rs-grid-render-canvasCanvas2D renderer: converts SceneFrame into CanvasRenderingContext2d calls717MIT
zlayer-sdkZLayer Plugin Development Kit for Rust707MIT OR Apache-2.0
tinylearnMachine learning in WebAssembly and no_std environments702BSD-3-Clause
selium-kernelStreaming compute fabric701MPL-2.0
sakuhiki-memdbIndexing overlay for any key-value store699MIT OR Apache-2.0
storage_dataEasily associate Storage values to variables and manage them without manually using the Web Storage API698non-standard
actr-web-protoc-codegenProtoc plugin for generating actr-web code from protobuf definitions697Apache-2.0
rusty-gradientsA full-stack deep learning framework in Rust for training and deploying Transformer models. Features multi-backend support…697MIT
sakuhiki-index-btreeIndexing overlay for any key-value store696MIT OR Apache-2.0
poet_rhai_codegenProcedural macros support package for Rhai, a scripting language and engine for Rust678MIT OR Apache-2.0
firebase-rs-sdkRust port of the Firebase JS SDK677Apache-2.0
pdfrsPure Rust PDF toolkit: Markdown to PDF, merge/split/validate, Unicode/CJK, charts, thesis layout, CLI (pdfcli) and WASM — no…677Apache-2.0
cha-plugin-sdkSDK for building Cha WASM analyzer plugins — zero-config, no WIT file needed673MIT
rs-grid-webBrowser event handling, canvas sizing, and rAF loop for rs-grid672MIT
cc-lb-runtime-wasmtimeWasmtime-based plugin runtime for cc-lb. Host-side wasm plugin admission + dispatch.670Apache-2.0
vexy-vsvgCore library for vexy-vsvg SVG optimizer665Apache-2.0
leptos-windowingCommon functionality for pagination and virtualization with cached loading.665MIT OR Apache-2.0
ferromotion-controlControl schemes for physical AI, in Rust — PID, computed-torque, Cartesian impedance, and more. WASM-clean.659MIT OR Apache-2.0
greentic-component-devHigh-level component loader and store for Greentic components658MIT
wifi-densepose-coreCore types, traits, and utilities for WiFi-DensePose pose estimation system658MIT OR Apache-2.0
fluentbase-typesA framework to build smart contracts on the Fluent L2 as well as blockchains and verifiable compute environments that compile to…657MIT
luct-clientClient library to fetch and validate certificate transparency logs653MIT OR Apache-2.0
wasmsh-stateShell state management (variables, scopes, frames) for wasmsh652Apache-2.0
afterburner-node-compatAfterburner Node.js compat — polyfills + host shims652BUSL-1.1
turbomcp-wasm-macrosProcedural macros for TurboMCP WASM servers - zero-boilerplate MCP server development651MIT
portalis-packagingWASM packaging agent for deployment646MIT
portalis-testTesting agent for translation validation645MIT
panes-wasmWASM/canvas adapter for the panes layout engine644MIT OR Apache-2.0
portalis-buildBuild agent for compiling Rust to WASM643MIT
wacliWebAssembly Component composition CLI642Apache-2.0
portalis-transpilerPython to Rust transpiler engine with WASM compilation support640MIT
lumen-blocksAccessible, styled, opinionated components for Dioxus inspired by the shadcn UI and built on Dioxus Primitives639MIT
torvyn-typesShared foundation types for the Torvyn reactive streaming runtime638Apache-2.0
beet_agentECS agentic workflow patterns636MIT OR Apache-2.0
selium-switchboardSelium module for abstracting channel management and messaging patterns635MPL-2.0
d1-ormA lightweight ORM/SQL builder for Cloudflare D1 and SQLite628MIT
dioxus-sdk-geolocationGeolocation utilities and hooks for Dioxus.626MIT OR Apache-2.0
redact-nerNamed Entity Recognition for PII detection using ONNX Runtime622Apache-2.0
size_lruFastest size-aware LRU cache with highest hit rate via LHD algorithm / 最快的大小感知 LRU 缓存,基于 LHD 算法实现最高命中率621MulanPSL-2.0
portalis-analysisCode analysis agent for Python compatibility assessment620MIT
selium-atlas-protocolSelium module for indexing and discovering resources with URIs619MPL-2.0
silex_domNext Generation High-Performance Rust Web Framework based on fine-grained reactivity and no-virtual-DOM architecture.619MIT OR Apache-2.0
portalis-specgenSpecification generation agent619MIT
combadgeCombadge makes Rust Web Workers easy618MIT
petravm-verifierPetraVM's verifier617Apache-2.0
portalis-ingestPython code ingestion and parsing agent617MIT
ferromotion-policyOn-device runner for exported learned policies (RL/VLA MLPs) — inference only, WASM-clean. Interop tier: run trained weights,…615MIT OR Apache-2.0
dioxus_codemirrorA Dioxus web component that wraps the CodeMirror 6 editor.613MIT OR Apache-2.0
ic-dbms-macrosMacros and derive ic-dbms-canister612MIT
ferromotion-ruckigJerk-limited, time-optimal trajectory generation in Rust — a port of Ruckig's MIT Community S-curve. WASM-clean, no deps.609MIT OR Apache-2.0
wasmsh-fsVirtual filesystem abstraction for wasmsh609Apache-2.0
ic-dbms-apiPublic API types for ic-dbms-canister. This crate provides shared types for interacting and implementing the ic-dbms-canister.600MIT
petravm-asmPetraVM's custom assembly language parser and interpreter.600Apache-2.0
turbomcp-wasmWebAssembly bindings for TurboMCP - MCP client for browsers and WASI environments600MIT
luct-scannerTool to provide additional checks on TLS certificates599MIT OR Apache-2.0
rsx-macroProc macros for RSX templating.598MIT OR Apache-2.0
react-rs-coreCore reactive primitives for react.rs - Signal, Effect, Memo, Context598MIT
tx-std-deriveProcedural macro for tx-std592MIT OR Apache-2.0
c-its-parserTools for encoding and decoding ETSI messages (GN + Transport + CAM/DENM/IVIM/SSEM/SREM/MAPEM/SPATEM)591MIT
wasmsh-lexStateful lexer for the wasmsh shell590Apache-2.0
espy-heartConstants for interpreting espy's binary output.590MPL-2.0
ronn-coreCore runtime engine for RONN - fundamental tensor operations, data types, and session management589MIT
petravm-proverPetraVM's prover589Apache-2.0
exfiltrate_internalInternal utilities for the exfiltrate crate.588MIT OR Apache-2.0
wasm-themeChange the data-theme CSS attribute on the html element with checkbox/toggle, radio-buttons, buttons, and/or select in WASM. The…584MIT
wasm-dbms-apiRuntime-agnostic API types and traits for the wasm-dbms DBMS engine.582MIT
vtx-sdkOfficial SDK for developing VTX plugins using Rust and WebAssembly.580Apache-2.0
skillzSelf-extending MCP server - build and execute custom AI tools at runtime578MIT
luct-storeCollection of storage backends for the luct project578MIT OR Apache-2.0
syncular-runtimeShared Rust runtime for Syncular SQLite-backed native and browser clients.575Apache-2.0
msm-webgpuMulti-Scalar Multiplication (MSM) implementation for WebGPU.573MIT
nano-consciousnessHigh-performance consciousness-inspired AI framework with nanosecond scheduling and temporal processing571MIT OR Apache-2.0
skill-runtimeCore execution engine for Skill - WASM sandbox, Docker runtime, and native skill execution570MIT
greentic-mcp-devMCP ToolMap + WASIX/WASI executor bridge570MIT
reqwest-torhigher level HTTP client library. Forked with tor support568MIT OR Apache-2.0
pmathA general-purpose mathematics crate for Rust566MIT
exfiltrateAn embeddable debug tool for Rust.565MIT OR Apache-2.0
zu-icons-utilUtilities for zu-icons560Apache-2.0