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.
fluentbase-runtimeA framework to build smart contracts on the Fluent L2 as well as blockchains and verifiable compute environments that compile to…557MIT
bnto-coreCore WASM engine library for Bnto — shared types, traits, and orchestration554MIT
scenaA Rust-native scene-graph renderer with typed scene state, glTF assets, and explicit prepare/render lifecycles.553MIT OR Apache-2.0
wasmsh-parseHandwritten recursive-descent parser for the wasmsh shell551Apache-2.0
turbomcp-transport-streamableStreamable HTTP transport types for TurboMCP - SSE encoding, session management, MCP 2025-11-25 spec550MIT
greentic-mcp-exec-devGreentic executor for running wasix:mcp-compatible WebAssembly components with policy-driven verification and sandboxing.549MIT
mikrozenA minimal, ergonomic router and JSON response macro for #![no_std] WASI Rust plugins547BSD-3-Clause
fluentbase-sdk-derive-coreA framework to build smart contracts on the Fluent L2 as well as blockchains and verifiable compute environments that compile to…543MIT
tx-wasm-sdkSDK for WASM TX messages and queries.542Apache-2.0
pictogram-iconsFeather design icons export for pictogram541MIT OR Apache-2.0
wasmindCore actor-based coordination runtime for AI agent workflows540MIT
wasm_lzmaesm modules for lzma/lzma2 compression and/or decompression, with sync and async (worker) versions537Apache-2.0
wit-bindgen-wclRuntime-agnostic WebAssembly Component Model implementation537Apache-2.0
wasm-dbms-macrosRuntime-agnostic procedural macros for the wasm-dbms DBMS engine.536MIT
wasmicA CLI tool for managing WASI components and running them as MCP servers535MIT
wasmsh-hirHigh-level intermediate representation for the wasmsh shell535Apache-2.0
qudag-wasmWASM bindings for QuDAG - Quantum Ultra-Fast Distributed Acyclic Graph533MIT OR Apache-2.0
wasm_gzesm modules for gzip compression and/or decompression, with sync and async (worker) versions533Apache-2.0
wasmx-cliHigh-performance, embeddable WebAssembly execution engine531Apache-2.0 WITH LLVM-exception
dpp-plugin-traitsHost/guest contract for Odal Node Wasm sector plugins531Apache-2.0
koru-lambda-coreA minimal axiomatic system for distributed computation530MIT OR Apache-2.0
react-rs-elementsHTML element API for react.rs with pure Rust method chaining528MIT
wasmsh-irLinear instruction representation for the wasmsh VM527Apache-2.0
shadcn-rsA comprehensive UI component library for Rust/WebAssembly inspired by shadcn/ui525MIT OR Apache-2.0
sakuhikiIndexing overlay for any key-value store525MIT OR Apache-2.0
luct-serverServer implementing a certificate transparency log524MIT OR Apache-2.0
sakuhiki-indexed-dbIndexing overlay for any key-value store521MIT OR Apache-2.0
kithara-platformCross-platform primitives (sync, time, thread) for native and wasm32.521MIT OR Apache-2.0
wasm-smtp-cloudflareCloudflare Workers socket adapter for wasm-smtp.521Apache-2.0
lbcA Leptos component library based on the Bulma CSS framework.520MIT OR Apache-2.0
rsxtkA high-performance Rust WASM Toolkit for managing and running WASI scripts, WAT, and WASM modules.518MIT OR Apache-2.0
component-manifestManifest validation helpers for Greentic components516MIT
espy-eyesespy's lexer implementation.516MPL-2.0
mitoxide-wasmWASM runtime support for Mitoxide511MIT
selium-atlasSelium module for indexing and discovering resources with URIs509MPL-2.0
wasm_avifesm modules for avif image compression, with sync and async (worker) versions508BSD-3-Clause
mobiler-webMobiler's web shell — renders any Mobiler app's Widget tree to the DOM (Leptos/WASM).508MIT OR Apache-2.0
nats-wasip3NATS client for wasm32-wasip3 — native Component Model async I/O507Apache-2.0
ferromotion-fluid2D incompressible Navier-Stokes (MAC projection) for fluid–robot interaction. WASM-clean.506MIT OR Apache-2.0
vanity-minerA blazing-fast, minimalistic vanity address miner for smart contract deployment, optimized for portability, perfect for…505GPL-2.0-or-later
aegis-coreCore runtime engine for the Aegis WebAssembly sandbox504MIT OR Apache-2.0
wasmsh-builtinsShell builtin commands for wasmsh504Apache-2.0
portalis-orchestrationPipeline orchestration for multi-agent workflows501MIT
ferromotionFerromotion — a Rust library for the kinematics, dynamics, and control of physical AI (native + WebAssembly). Umbrella crate…499MIT OR Apache-2.0
cougr-coreCougr - A Soroban-compatible ECS framework for on-chain gaming on Stellar499MIT
pictogram-icons-materialMaterial design icons export for pictogram499MIT OR Apache-2.0
sqlite-wasmA high-performance SQLite wrapper for WebAssembly with OPFS support499MIT
wasm_resize_rgbaesm modules for image resizing using the CatmullRom (hq) or Hamming methods, with sync and async (worker) versions499MIT
parliamentProtocols, traits, and domain logic for graceful governance.496AGPL-3.0-only
sakuhiki-rocksdbIndexing overlay for any key-value store495MIT OR Apache-2.0
aegis-capabilityCapability-based security system for the Aegis WebAssembly sandbox493MIT OR Apache-2.0
wasmsh-expandWord expansion engine for the wasmsh shell493Apache-2.0
ferromotion-wasmUniversal WebAssembly bindings for ferromotion — robot IK/kinematics in the browser, zero install.492MIT OR Apache-2.0
asterai_runtimeRuntime library for asterai - the portable AI compute platform492Apache-2.0
afterburner-wasiAfterburner WASM engine — Wasmtime + QuickJS sandbox492BUSL-1.1
moquilangA WebAssembly module for entity operations and service calls with a database (default to a SQLite integration)489MIT
taino-edit-coreFramework-agnostic document model, transforms, state, history and commands for the taino-edit WYSIWYG editor.489MIT OR Apache-2.0
idbfsUse IndexedDB to store a file system486GPL-3.0-or-later
smbcloud-networking-account-wasmsmbCloud Auth sdk486Apache-2.0
smbcloud-authCross-platform Auth SDK for the smbCloud platform.486Apache-2.0
luctComand line utility of the luct project485MIT OR Apache-2.0
wasm_paqesm modules for paq compression and/or decompression, with sync and async (worker) versions485GPL-3.0-or-later
bitchat-qudagBitChat messaging integration for QuDAG with WASM support484MIT OR Apache-2.0
ferromotion-mpmDifferentiable 2D Material Point Method (MLS-MPM) for soft/elastic/granular material. WASM-clean.482MIT OR Apache-2.0
sim-nestThe SIM constellation umbrella facade: one crate that re-exports the runtime kernel, codecs, number domains, and libraries behind…478MPL-2.0
luct-extensionCore types and parsers for certificate transparency477MIT OR Apache-2.0
shadcn-iconsLucide icon library for shadcn-rs - SVG icons as Yew components473MIT OR Apache-2.0
dioxus-icon-componentCommon icon component for Dioxus473Apache-2.0
fluentbase-cryptoA framework to build smart contracts on the Fluent L2 as well as blockchains and verifiable compute environments that compile to…472MIT
stator_jseStator JavaScript engine core — parser, bytecode compiler, Maglev JIT, interpreter, GC471MIT
wasmsh-protocolMessage protocol for communication between wasmsh worker and host470Apache-2.0
ferromotion-clothDifferentiable FEM thin-shell cloth (StVK membrane + bending) for physical AI. WASM-clean.468MIT OR Apache-2.0
mycelix-leptos-clientBrowser-compatible Holochain client for Leptos frontends. Pure-Rust replacement for @holochain/client using web-sys::WebSocket +…467AGPL-3.0-or-later
nekouiA component-based UI framework for Leptos applications465MIT OR Apache-2.0
code-mesh-wasmWebAssembly bindings for the Code-Mesh distributed swarm intelligence system461MIT OR Apache-2.0
silex_vtableNext Generation High-Performance Rust Web Framework based on fine-grained reactivity and no-virtual-DOM architecture.460MIT OR Apache-2.0
dioxus-sdk-notificationSend notifications from your Dioxus apps.459MIT OR Apache-2.0
fluentbase-sdk-deriveA framework to build smart contracts on the Fluent L2 as well as blockchains and verifiable compute environments that compile to…459MIT
rs-grid-leptosLeptos component wrapper for rs-grid456MIT
uni-plugin-wasm-rtShared Arrow IPC + instance-pool runtime for the uni-db plugin WASM loaders455Apache-2.0
ethos« τοῦ γὰρ ἤθους αἱ τοιαῦται δοκοῦσι κινήσεις εἶναι… » (NE 1128a.10)453AGPL-3.0-only
silex_htmlNext Generation High-Performance Rust Web Framework based on fine-grained reactivity and no-virtual-DOM architecture.452MIT OR Apache-2.0
wasmsh-vmCooperative virtual machine for executing wasmsh IR452Apache-2.0
rsx-coreCore VNode, signals, and minimal reconciler for RSX.451MIT OR Apache-2.0
silex_macrosNext Generation High-Performance Rust Web Framework based on fine-grained reactivity and no-virtual-DOM architecture.451MIT OR Apache-2.0
some_global_executorReference thread-per-core executor for the some_executor crate.451MIT OR Apache-2.0
portalis-cuda-bridgeCUDA GPU acceleration bridge for parallel processing450MIT
portalis-nemo-bridgeNVIDIA NeMo LLM integration for AI-powered translation449MIT
act-cliCLI host for ACT (Agent Component Tools) WebAssembly components449MIT OR Apache-2.0
wasmsh-utilsBrowser-safe standard utility commands for wasmsh448Apache-2.0
chematic-wasmWebAssembly bindings for chematic — use chematic from JavaScript/TypeScript448MIT OR Apache-2.0
hokusai-corePure Rust brush engine inspired by libmypaint — core types and stroke engine447MIT OR Apache-2.0
f1-nexus-strategyNext-generation Formula 1 strategy optimization platform with AI-powered race simulation446MIT OR Apache-2.0
rand_gpu_wasmRandom number generation compatible with RustGPU and WASM.446MIT
wacli-cdkCommand development kit for wacli plugins446Apache-2.0
animato-wasmWASM, requestAnimationFrame, DOM integration, and layout animation for Animato.442MIT OR Apache-2.0
pixel2charA tool to convert images to ASCII art, available as a library, WASM module, and CLI.439MIT OR Apache-2.0
qvm-schedulerHigh-performance quantum circuit scheduler for multi-job quantum computing with OpenQASM 3436MIT
pictogram-macroSvg resolver macro for picto436MIT OR Apache-2.0
ferromotion-tactileDifferentiable optical-tactile (GelSight/DIGIT) sensor simulation — gel deformation → photometric image. WASM-clean.435MIT OR Apache-2.0
otter-jsc-coreSafe Rust wrappers for JavaScriptCore435MIT
leptos-paginationPagination for Leptos434MIT OR Apache-2.0
capsule-coreCore library for Capsule - WASM runtime for AI agent isolation433Apache-2.0
ferromotion-rodDifferentiable Discrete Elastic Rods for cables, tendons, and continuum/soft robots. WASM-clean.430MIT OR Apache-2.0
wasi-pg-clientPostgreSQL client library for WASI Preview 2428MIT OR Apache-2.0
wasi-soroban-rs-macrosA collection of helpers for writing tests for Soroban contracts426MIT
fact-wasm-coreFACT WASM Core - High-performance WebAssembly cognitive processing engine with advanced caching and template optimization424MIT
espy-earsespy's parser implementation.424MPL-2.0
dioxus-nox-virtualizeVirtual list viewport math for Dioxus423MIT
flowjs-rsGenerate Flow type declarations from Rust types423MIT
reflow_actorActor trait, message types, ports, state, and stream handles for the Reflow runtime.421MIT OR Apache-2.0
rs-grid-dioxusDioxus CSR component wrapper for rs-grid421MIT
theater-handler-tcpRaw TCP networking handler for Theater WebAssembly runtime421Apache-2.0
smugglr-coreSQLite replication engine -- content-hash diffing, delta sync, any target417MIT
rs-grid-yewYew CSR component wrapper for rs-grid415MIT
nam-wasmer-compiler-craneliftCranelift compiler for Wasmer WebAssembly runtime415MIT
splicerPlan and generate middleware splice operations for WebAssembly component composition graphs.415Apache-2.0
webarkitlib-rsA high-performance, memory-safe Rust port of WebARKitLib (ARToolKit) for native and WASM.415LGPL-3.0-or-later
nam-wasmerHigh-performance WebAssembly runtime411MIT
silex_rxNext Generation High-Performance Rust Web Framework based on fine-grained reactivity and no-virtual-DOM architecture.409MIT OR Apache-2.0
centinel-analytica-fastlyCentinel Analytica Bot Protection for Fastly Compute408MIT OR Apache-2.0
lib-q-fn-dsa-commFN-DSA common primitives (lib-Q; not crates.io fn-dsa-comm)405Apache-2.0
forge-test-harnessTest harness for OpenAPI Forge plugin authors403Apache-2.0 OR MIT
dig-urn-resolverResolve a DIG URN to its data through the protocol (node-first ladder, verified + decrypted). Rust + wasm; first consumer: Sage…403GPL-2.0-only
atproto-plcdid-method-plc implementation for ATProto with WASM support402MIT OR Apache-2.0
wasm-jsBuild rust libraries into vanilla JS that works everywhere402MIT
amadeus-runtimeConsensus library for Amadeus blockchain including WASM execution, BIC contracts, and state management401Apache-2.0
wasi-fetchErgonomic HTTP client for WebAssembly components (wasip3)399MIT OR Apache-2.0
theater-handler-supervisorSupervisor handler for Theater WebAssembly runtime - child actor management397Apache-2.0
wasmsh-runtimeShared shell runtime core for wasmsh (standalone and Pyodide builds)396Apache-2.0
act-buildBuild tool for ACT WASM components393MIT OR Apache-2.0
pib-components-dx-primitivestemporary fork for Politik im Blick - Dioxus primitives392MIT OR Apache-2.0
emomA customizable EMOM (Every Minute On the Minute) timer for workouts, with a drift-correcting countdown timer library for…392BSD-3-Clause
component-storeStore abstraction and verification for Greentic components389MIT
leanr-rag-gatewayMulti-lane RAG gateway with cost routing and verified safety proofs using lean-agentic388Apache-2.0
arcella-typesCore data types and manifests for the Arcella WebAssembly runtime387Apache-2.0 OR MIT
hokusai-brushlibmypaint `.myb` JSON read/write for hokusai384MIT OR Apache-2.0
mldsa-coreCore ML-DSA (FIPS 204) implementation (internal)384MIT OR Apache-2.0
rizzmaA Rust reimplementation of the good parts of matplotlib/pyplot, with first-class wasm support.382MIT OR Apache-2.0
taino-edit-domcontenteditable/DOM bridge for the taino-edit WYSIWYG editor (web-sys, wasm-bindgen, js-sys).382MIT OR Apache-2.0
hokusai-tile-memIn-memory HashMap-backed TiledSurface for hokusai (reference impl)381MIT OR Apache-2.0
wasm-dbms-memoryMemory abstraction and page management for the wasm-dbms framework380MIT
afterburner-igniteAfterburner native engine — rquickjs FFI378BUSL-1.1
kobako-coreContract crate for kobako Guest Binaries — the Guest ABI exports and dispatch proxy over the kobako wire.375Apache-2.0
scry-sai-vizStatic-HTML visualization of a scry (scry-sai-core) AnalysisResult — functions, call graph, diagnostics, and per-program-point…375MIT OR Apache-2.0
clawbox-typesShared types for the clawbox sandboxed agent execution service374MIT
wasmcp-macrosProcedural macros for the wasmcp SDK371Apache-2.0
agrocrypto-quantum-coreReference implementation of the AgroCrypto Quantum Governance — ESG Tokenization Protocol (EIP Draft). Compliance-grade,…365MIT OR Apache-2.0
omwei-atomCore implementation of OMWEI 32B Semantic Atom (32BSA) standard. Hardware-native integrity for Agentic AI.365MIT OR Apache-2.0
aprender-test-libProbar: Rust-native testing framework with pixel coverage, TUI snapshots, and visual regression365MIT
conversions_rsA comprehensive unit conversion library, CLI tool, and WebAssembly module with full SI (International System of Units) support363MIT OR Apache-2.0
peulerA Rust crate with solutions to the Project Euler problems361MIT
parsioParser-related I/O utilities360MIT OR Apache-2.0
monarch-wasmCuckoo Search-Enabled Task Scheduling and Cache Updating in Vehicular Edge-Fog Computing Article Operations359MIT
ssg-coreCore compilation pipeline for SSG — no system dependencies, WASM-compatible.359MIT OR Apache-2.0
ic-dbms-canisterA framework to build Database canisters on the Internet Computer using DBMS, by just providing the schema.358MIT
espy-pawsespy's bytecode interpreter.356MPL-2.0
detaxine-uiA UI Library for Leptos353MIT OR Apache-2.0
fusionauth_jwt_rsWASI-compatible FusionAuth JWT verification (JWKS / RS256) for wasmCloud components353MIT
gresiqGresIQ is a serverless PostgreSQL client on the smbCloud platform.352Apache-2.0
pictogram-icons-bootstrapBootstrap icons export for pictogram351MIT OR Apache-2.0
node-html-parserFast HTML parser for Rust & WASM producing a lightweight DOM with CSS selector querying.351MIT
agentic-jujutsuAI-powered Jujutsu VCS wrapper for multi-agent collaboration - 10-100x faster than Git with MCP protocol support350MIT
lib-q-ml-kemPure Rust implementation of the Module-Lattice-Based Key-Encapsulation Mechanism Standard
(formerly known as Kyber) as described…349Apache-2.0
purrdf-wasmpurrdf: a wasm32, in-memory RDF 1.2 engine with an idiomatic RDF/JS (DataFactory/Dataset/Stream) API347MIT OR Apache-2.0
wasm-squeezeUPX-like utility to create self-decompressable WASM-4 cartridges345Apache-2.0 OR MIT
portalis-cliCLI for Portalis - GPU-accelerated Python to Rust/WASM transpiler345MIT
thalassaImplementation of the TLS presentation language data format defined in RFC8446344MIT OR Apache-2.0
fluentbase-sdkA framework to build smart contracts on the Fluent L2 as well as blockchains and verifiable compute environments that compile to…344MIT
pictogramA compile time svg icon resolver.342MIT OR Apache-2.0
silexNext Generation High-Performance Rust Web Framework based on fine-grained reactivity and no-virtual-DOM architecture.339MIT OR Apache-2.0
theater-handler-message-serverMessage server handler for Theater WebAssembly runtime338Apache-2.0
inference-labHigh-performance LLM inference simulator for analyzing serving systems336MIT
wrapbinSimple binary newtype as wrapped Cow u8 array.333MIT/Apache-2.0
wstd-awsAWS rust sdk support for Wasm Components and WASI 0.2, based on wstd333Apache-2.0 WITH LLVM-exception
videocall-transportFramework-agnostic WebSocket and WebTransport wrappers for videocall.rs333MIT OR Apache-2.0
hashiverse-libCore protocol library for Hashiverse — your open-source decentralized X/Twitter replacement.332MIT OR Apache-2.0
wasm-bodgeA tool that takes wasm-bindgen output and wraps it for all JavaScript runtimes330MIT
kotoba-handlerUnified Web Handler for Kotoba ecosystem - integrates server, CLI, and WASM execution329Apache-2.0
ticket-coreDeterministic monospace-grid ticket renderer. The single source of truth shared by the backend (native) and the browser preview…329MIT OR Apache-2.0
geometry-kernelA Rust-first geometry kernel for deterministic planar geometry operations328MIT OR Apache-2.0
selium-remote-client-protocolSelium module for supporting remote clients326MPL-2.0
ts-nativeTypeScript to Native AOT compiler — compile .ts to native .exe via Cranelift326MIT
llmtxt-coreCore primitives for llmtxt: compression, patching, hashing, signing, and encoding325MIT
theater-handler-runtimeCore runtime handler for Theater WebAssembly runtime - logging, state, lifecycle325Apache-2.0
kotobas-wasmWASM bindings for the KotobaScript compiler321MIT OR Apache-2.0
taino-edit-extensionsStandard editing extensions (bold, italic, link, paragraph, heading, blockquote, code-block, lists, image, align, transform-case,…321MIT OR Apache-2.0
silex_hashNext Generation High-Performance Rust Web Framework based on fine-grained reactivity and no-virtual-DOM architecture.317MIT OR Apache-2.0
next-rs-rscReact Server Components implementation for next.rs317MIT
thalassa-derive`thalassa` derive macros316MIT OR Apache-2.0
scirs2-wasmWebAssembly (WASM) bindings for SciRS2 - JavaScript/TypeScript interop for scientific computing316Apache-2.0
wascanProduction-ready barcode and QR code scanner for web browsers. Handles camera access, streaming, and file input automatically.316Apache-2.0
wash-runtimeOpinionated wasmtime wrapper that provides a runtime and workload API for executing Wasm components314Apache-2.0
react-rs-domDOM rendering and SSR for react.rs311MIT
vpodLightweight, secure sandboxes for untrusted processes.311Apache-2.0
h2langH2 Language - A Herbert Online Judge compatible programming language with multi-agent support310MIT
surtgis-wasmWebAssembly bindings for SurtGis geospatial algorithms310MIT OR Apache-2.0
theater-handler-storeContent storage handler for Theater WebAssembly runtime303Apache-2.0
xript-runtimeRust runtime for xript. Sandboxed JavaScript execution via QuickJS.303MIT
journey-engineJourney Engine: A custom 2D game engine built with Rust and wGPU302MIT