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.
spruReusable components for the spru strategy and digital board game framework.300MIT OR Apache-2.0
rsqlite-wasm-vfsVirtual file system trait and backends for rsqlite-wasm300MIT
uni-plugin-extismExtism (bytes-in/bytes-out WASM) loader for the uni-db plugin framework299Apache-2.0
witness-mcdc-corePure-data algorithms for witness — instrument schema, decisions, diff, predicate, report, rivet evidence, LCOV emission. No…297Apache-2.0 OR MIT
uni-plugin-wasmWASM Component Model loader for the uni-db plugin framework297Apache-2.0
lib-q-fn-dsa-signPost-quantum cryptography library296Apache-2.0
wscWebAssembly Signature Component - WASM signing and verification toolkit296MIT
pdk-websockets-libPDK WebSockets Library296non-standard
hokusai-tiny-skiaFlatten a hokusai TiledSurface into a tiny-skia Pixmap295MIT OR Apache-2.0
lib-q-fn-dsa-kgenPost-quantum cryptography library292Apache-2.0
rsqlite-storageB-tree storage engine and SQLite file format codec for rsqlite-wasm292MIT
lodviz_componentsComponents for data visualization using lodviz_core292MIT
rapier3d-mjcfMuJoCo MJCF loader for the 3D rapier physics engine.291Apache-2.0
dioxus-cloudflareBridge between Dioxus server functions and Cloudflare Workers291AGPL-3.0-only
hokusaiPure Rust brush engine inspired by libmypaint (umbrella crate)290MIT OR Apache-2.0
nam-wasmer-compiler-singlepassSinglepass compiler for Wasmer WebAssembly runtime290MIT
rust-bashA sandboxed bash interpreter for AI Agents with a virtual filesystem289MIT
airl-irCore IR data structures for AIRL (AI-native Intermediate Representation Language)289MIT
webglueOpenGL ES 3.0 / WebGL2 wrapper for Rust and WebAssembly288Apache-2.0
aegis-hostHost function system for the Aegis WebAssembly sandbox288MIT OR Apache-2.0
aegis-resourceResource management for the Aegis WebAssembly sandbox287MIT OR Apache-2.0
thermalcomfortA Rust port of pythermalcomfort for thermal comfort calculations (no_std, WASM-compatible)287MIT
rsqlite-coreQuery planner, execution engine, and transaction manager for rsqlite-wasm287MIT
wasm-obs-agent-libAuto-instrumentación de módulos WASM con OpenTelemetry286MIT OR Apache-2.0
rsx-webWeb (WASM) renderer for RSX.285MIT OR Apache-2.0
aegis-observeObservability and metrics for the Aegis WebAssembly sandbox285MIT OR Apache-2.0
leptos-motion-studioVisual animation editor and motion studio for leptos-motion284MIT OR Apache-2.0
lattice-db-clientTyped Rust client SDK for lattice-db — wraps the NATS request/reply protocol283Apache-2.0
shamir-3-passShamir 3-pass protocol (commutative encryption)281Apache-2.0
cc-lb-pdk-wasmtime-macrosProcedural macros (#[cc_lb_plugin], #[handler], #[derive(WireSchema)]) for cc-lb wasmtime plugins.280Apache-2.0
js-sys-wryBindings for all JS global objects and functions in all JS environments like
Node.js and browsers, built on `#[wasm_bindgen]`…280MIT OR Apache-2.0
ciallo_wasmCiallo with WebAssembly279MIT
rsqlite-parserSQL parser for rsqlite-wasm — wraps sqlparser-rs with SQLite semantic validation278MIT
bevy_tui_textureA Bevy plugin for rendering terminal-style UIs using ratatui and WGPU277MIT
kobakokobako host SDK — run untrusted mruby in an in-process Wasm sandbox.275Apache-2.0
lib-q-fn-dsa-vrfyPost-quantum cryptography library275Apache-2.0
botrelayForward content to Telegram and Discord bots and route replies back — reusable primitives for Cloudflare Workers274AGPL-3.0
plecto-hostPlecto's wasmtime embedding host: loads, sandboxes, and runs plecto:filter WASM components (the extension plane).274Apache-2.0
microsoft-webui-wasmWebAssembly bindings for WebUI framework — powers the online playground274MIT
ash-coreDEPRECATED — Use `ashcore` instead. This crate is End of Life (EOL).272Apache-2.0
wasmi-plugin-rtRuntime utilities for wasmi-plugin-framework271MIT
lanczos-resamplerAudio resampler for Rust/JS that uses Lanczos filter.270MIT
afterburner-thrustAfterburner thrust scheduler — work-stealing thread pool267BUSL-1.1
pr4xis-webDev server for pr4xis — serves presentation + WASM chatbot with live reload266CC-BY-NC-SA-4.0
nam-wasmer-objectWasmer Native Object generator266MIT
reflow_assetsContent-addressed asset database conventions for Reflow workflows.265MIT OR Apache-2.0
kobako-ioSandbox IO / Kernel capability gem for kobako mruby guests — $stdout / $stderr over wasi-libc, built on beni.265Apache-2.0
renkinUltra-fast retrosynthesis engine for computer-aided synthesis planning (CASP) — pure Rust, WASM-ready, Python bindings via PyO3264MIT
cliffy-coreReactive UI framework with geometric algebra state management263MIT
lattice-sql-clientTyped Rust client SDK for lattice-sql — SQL frontend for lattice-db263Apache-2.0
kobako-regexpSandbox Regexp / MatchData capability gem for kobako mruby guests — pure-Rust fancy-regex over beni.263Apache-2.0
cc-lb-pdk-wasmtimePlugin Development Kit runtime helpers for cc-lb wasmtime-based plugins (alloc/free, dlmalloc).262Apache-2.0
aruco-rsA high-performance, SIMD-accelerated ArUco marker detector for Native and WASM.261MIT
dioxus-sdk-utilGeneral utilities for Dioxus apps.259MIT OR Apache-2.0
kymostudio-corePrompt it. See it appear. Watch it animate. (Core)259Apache-2.0
manatan-sdkPublic SDK for building Manatan manga, video, and novel extensions as WebAssembly components.259MIT
fukurow-wasmHeadless WebAssembly bindings for Fukurow reasoning engine257MIT OR Apache-2.0
wasm-dbmsRuntime-agnostic DBMS engine for WASM environments257MIT
ic-dbms-clientic-dbms-canister client library for interacting with the ic-dbms-canister.256MIT
hyle-dioxusDioxus integration for hyle — reactive hooks and SSR-compatible components for data-driven UIs.255BSD-2-Clause
kobako-runtimeEngine-neutral host runtime contract for embedding kobako Wasm guests.253Apache-2.0
glemuWebGL (via web_sys) to GL shims for Rust, based on Emscripten's GL emulation layer253MIT
dioxus-sdk-syncSynchronization primitives for your Dioxus app.252MIT OR Apache-2.0
stylus-trace-studioPerformance profiling and flamegraph generation for Arbitrum Stylus transactions252MIT
dioxus-dndModular, accessible drag-and-drop for Dioxus: sortable lists, kanban boards, trees, grids, file drops, multi-select, touch…252MIT
smbcloud-auth-sdk-wasmBrowser bindings for the smbCloud Auth SDK.251Apache-2.0
ikigai-httpOutbound HTTP-client ikigai module: one endpoint per method (urn:httpGet…urn:httpDelete) with the ROC verb mirroring HTTP…247MIT OR Apache-2.0
themed-stylerClient-side runtime styling engine for web and Android/iOS Native with theme support and Tailwind subset246MIT OR Apache-2.0
svgtidyHigh-performance SVG optimizer written in Rust245MIT
plecto-controlPlecto's control plane: declarative manifest, OCI artifact loading, filter-chain dispatch, and atomic hot reload.243Apache-2.0
next-rs-routerApp Router for next.rs - file system based routing with nested layouts241MIT
smbcloud-gresiqGresIQ is a serverless PostgreSQL client on the smbCloud platform.240Apache-2.0
aprender-test-js-genNASA/DO-178B-grade Rust DSL for type-safe JavaScript generation239MIT OR Apache-2.0
pictogram-dioxusA compile time svg icon resolver. Adapter for dioxus.237MIT OR Apache-2.0
nagamiShrinks WGSL shaders via Naga IR optimization passes236MIT
espy-tailespy's bytecode compiler.236MPL-2.0
next-rs-actionsServer Actions implementation for next.rs234MIT
animato-leptosLeptos integration for Animato: signal-backed hooks, scroll, presence, retained enter/exit FLIP lists, gestures, CSS, and SSR…234MIT OR Apache-2.0
bwu_reduxAsync Redux-style state management for Rust, native and WASM234MIT OR Apache-2.0
yewi-cliCLI tool for managing yewi-kit components in Yew projects234MIT
jsonlogic-fastFast, embeddable, cross-runtime JSON-Logic evaluation233MIT OR Apache-2.0
omnia-opentelemetryOpenTelemetry gRPC resource provider233MIT OR Apache-2.0
hotmeal-wasmWASM client for hotmeal - applies DOM patches in the browser233MIT OR Apache-2.0
forge-dioxusDioxus runtime client for the Forge full-stack framework233MIT
kobako-codecPortable wire tier for kobako — the MessagePack wire codec and SPEC envelope value objects shared by host and guest.232Apache-2.0
leanr-wasmWebAssembly bindings for lean-agentic: hash-consed dependent types in the browser232Apache-2.0
aprender-test-deriveProc-macro crate for Probar type-safe ECS selectors (Poka-Yoke)232MIT
omnia-kafkaKafka messaging resource232MIT OR Apache-2.0
cortexai-llm-clientShared LLM client logic for multiple Cortex runtimes: browser, edge, and server231Apache-2.0
crabka-playgroundWebAssembly bindings driving Crabka's deterministic KRaft consensus simulator in the browser231Apache-2.0
omnia-azure-idAzure backend identity provider230MIT OR Apache-2.0
smbcloud-s6nS6n is an S3-compatible object storage for smbCloud.230Apache-2.0
lib-q-kemPost-quantum Key Encapsulation Mechanisms for lib-Q229Apache-2.0
aprender-test-cliCLI for Probar: Rust-native testing framework for WASM games229MIT
kobako-bakerBuild-time pre-initializer for kobako Guest Binaries — bakes the canonical boot state via wizer.228Apache-2.0
pyde-storage-macrosdeclare_storage!() proc macro — reads otigen.toml at compile time and emits a typed `mod storage` accessor over the 12…228MIT OR Apache-2.0
wasmsh-browserBrowser Web Worker integration for wasmsh227Apache-2.0
next-rs-middlewareMiddleware implementation for next.rs227MIT
pyde-events-macrosdeclare_events!() proc macro — reads otigen.toml's [events.*] blocks at compile time and emits a typed `mod events` with one…226MIT OR Apache-2.0
leptos-mdA simple, signal-free Markdown renderer for Leptos with Tailwind CSS styling225MIT OR Apache-2.0
wasvy_macrosWASI-powered modding for the Bevy engine225MIT OR Apache-2.0
forge-chartsPure-Rust + SVG interactive charts for Leptos CSR. Project-agnostic public API; no JS, no canvas, no Tailwind.225MIT OR Apache-2.0
wasmsh-testkitTest utilities, TOML test runner, and compatibility harness for wasmsh224Apache-2.0
vvva_wasmWebAssembly / WASI execution engine for the 3va runtime (Wasmtime-backed, capability-sandboxed)223MIT OR Apache-2.0
selium-remote-clientSelium module for supporting remote clients223MPL-2.0
libflo-audioThe official encoder/decoder for the flo™ audio format223Apache-2.0
lib-q-fn-dsa-algFN-DSA algorithm facade (lib-Q; not the crates.io `fn-dsa` package by pornin)223Apache-2.0
bnto-fileFile operation nodes for Bnto WASM engine — rename files223MIT
pyde-entry-macros#[pyde::entry] proc macro — wraps a Rust function in the calldata-decode + return-wrap shim required by Pyde's () -> () entry ABI.223MIT OR Apache-2.0
ma-zschemeScheme evaluator for the ma actor network — parser, evaluator, and SchemeCtx host trait222MIT
umao_coreUMAO spec primitives — Graph IR, validation, scheduling, events, planner types. WASM-safe.221Apache-2.0
lib-q-hqcPost-Quantum HQC (Hamming Quasi-Cyclic) KEM for lib-Q221Apache-2.0
stylus-trace-corePerformance profiling and flamegraph generation for Arbitrum Stylus transactions220MIT
selium-net-quinnStreaming compute fabric220MPL-2.0
selium-net-hyperStreaming compute fabric219MPL-2.0
pictogram-icons-featherFeather design icons export for pictogram219MIT OR Apache-2.0
fs-coreEphemeral in-memory filesystem for WebAssembly (no_std compatible)218MIT
silex_cssNext Generation High-Performance Rust Web Framework based on fine-grained reactivity and no-virtual-DOM architecture.217MIT OR Apache-2.0
damascene-webDamascene browser host for wasm apps217MIT OR Apache-2.0
selium-filesystem-storeStreaming compute fabric216MPL-2.0
selium-switchboard-coreSelium module for abstracting channel management and messaging patterns216MPL-2.0
otlsp-coreCore library of shared structures for OTLSP216MIT OR Apache-2.0
rspyts-coreCore IR, ABI envelope, and registry for the rspyts bridge. Not for direct use; depend on `rspyts`.216MIT
selium-messagingStreaming compute fabric215MPL-2.0
selium-wasmtimeStreaming compute fabric215MPL-2.0
plecto-serverPlecto's fast path: an L7 reverse proxy / API gateway data plane (HTTP/1.1, HTTP/2, HTTP/3, TLS, routing, load balancing).215Apache-2.0
kobako-wasmtimewasmtime implementation of the kobako host runtime contract.211Apache-2.0
ym2149-wasmWebAssembly bindings for YM2149 PSG emulator - play YM files in the browser210MIT
tensogram-wasmWebAssembly bindings for the Tensogram N-tensor message format210Apache-2.0
witness-mcdcMC/DC-style branch coverage CLI for WebAssembly components.210Apache-2.0 OR MIT
dpp-plugin-sdkGuest-side SDK and ABI export macro for Odal Node Wasm sector plugins208Apache-2.0
wasm-linkA WebAssembly plugin runtime based around Wasmtime intended for building fully modular applications208MIT OR Apache-2.0
pliego-reactiveOwned reactive graphs with dependency tracking, equality gating, and disposal for PliegoRS.208Apache-2.0
waf-wasmProxy-Wasm runtime (on wasmi) for Light WAF: load .wasm filters as detection modules, with instance pooling and fuel/memory DoS…207Apache-2.0
toywasmxSafe, Wasmtime/Wasmi-inspired Rust bindings for the toywasm WebAssembly interpreter207MIT OR Apache-2.0
omnia-azure-blobAzure Blob Storage backend provider207MIT OR Apache-2.0
taino-edit-leptosLeptos adapter for taino-edit, the native-Rust WYSIWYG rich-text editor.206MIT OR Apache-2.0
bnto-imageImage processing node for Bnto WASM engine — compress, resize, convert205MIT
forge-jobs-uiReusable Leptos CSR panel for the forge-jobs queue. Overview, timeline, cron, scheduled-jobs, dead-letter inspector —…205MIT OR Apache-2.0
main-loop-asyncMakes running async code from a main loop (ui loop, game loop) more ergonomic205MIT OR Apache-2.0
taiyaki-coreEmbeddable JS/TS runtime core — QuickJS and JSC backends204MIT
cc-lb-runtime-protocolcc-lb plugin protocol runtime — handshake, self-check, dispatch, identity, host functions for Extism plugins targeting the cc-lb…203Apache-2.0
wasm-fuseMerge multiple WebAssembly modules into one — a Rust counterpart to binaryen's wasm-merge203MIT OR Apache-2.0
zeldhash-miner-wasmWASM bindings for the Zeldhash miner with optional WebGPU acceleration201MIT
yew-datatable-coreHeadless data table engine for Rust/WASM - TanStack Table inspired201MIT
yew-date-range-coreHeadless date range picker engine for Rust/WASM - react-date-range inspired201MIT
dockview_dioxusA tiling/docking layout for Dioxus — panes split, resize, tab, float, and maximize, with the arrangement saved to JSON and…199BlueOak-1.0.0
component-runtimeWasmtime-based runtime for executing Greentic components198MIT
genome-rsDeterministic type based JSON style object hash generation198MIT
trevo-keylessThis library provides functions for encoding and decoding keyless accounts, used by the Trevo blockchain: application agent…198Apache-2.0
reflow_networkNetwork executor for Reflow — routes messages between actors, manages subgraphs, and emits runtime events.197MIT OR Apache-2.0
pliego-domPliegoRS's renderer: views as data, surgical DOM mounting (wasm) and HTML string rendering (native/SSR) over the same tree.197Apache-2.0
pyde-hostHost-function declarations for Pyde contracts. The complete `pyde::*` ABI a wasm32 contract can call into.196MIT OR Apache-2.0
sqlite-wasm-vec`wasm32-unknown-unknown` bindings to the `sqlite-vec` extension.195MIT
airl-typecheckBidirectional type checker for AIRL IR with effect tracking195MIT
wamrxSafe, Wasmi/Wasmtime-inspired Rust bindings for the WAMR fast interpreter.195MIT OR Apache-2.0
lunar-mathmath types: Vec2, Vec3, Color, Rect, Transform, LocalTransform, WorldTransform, convenience macros195MIT
ikigai-fsCapability-gated file/store ikigai module: jailed to a root with a default-deny path-ACL; SOURCE/SINK/EXISTS/DELETE. A cfg-gated…194MIT OR Apache-2.0
whammA framework for 'Wasm Application Monitoring and Manipulation'193Apache-2.0
oxirs-wasmWebAssembly bindings for OxiRS - Run RDF/SPARQL in the browser193Apache-2.0
soroban-decompilerSoroban WASM smart contract decompiler - reconstructs Rust source from compiled contracts192Apache-2.0
test-tube-txlibrary for building integration testing environments for cosmos-sdk chains in Rust191MIT OR Apache-2.0
afterburnerAfterburner - Polyglot, deterministic, sandboxed WebAssembly runtime.191BUSL-1.1
afterburner-flowAfterburner flow engine — chained module pipelines190BUSL-1.1
capsule-runSecure WASM runtime to isolate and manage AI agent tasks189Apache-2.0
graph-as-runtimeAssemblyScript ABI layer for graph-node WASM compatibility — no_std runtime189MIT OR Apache-2.0
graphite-macrosProc macros for the Graphite subgraph SDK (#[handler], #[derive(Entity)])188MIT OR Apache-2.0
agent-sandboxA sandboxed execution environment for AI agents via WASM187MIT
sorexFormally verified full-text search with suffix arrays187Apache-2.0
svastha-wasmWASM bindings: exposes the svastha trust contract to the web app. Wraps svastha-core.187AGPL-3.0-only
dioxus-indexeddbIndexedDB bindings for Dioxus with hooks and type-safe API186MIT OR Apache-2.0
dioxus-nox-dndA composable drag-and-drop component library for Dioxus186MIT
lvqr-wasmServer-side WASM per-fragment filter host for LVQR (Tier 4 item 4.2)185AGPL-3.0-or-later
taino-edit-dioxusDioxus adapter for taino-edit, the native-Rust WYSIWYG rich-text editor.185MIT OR Apache-2.0
mldsa65ML-DSA-65 (FIPS 204) digital signatures with WASM bindings185MIT OR Apache-2.0
pelliote-editor-coreA fast, private email editor library core built with Rust and compiled to WebAssembly184MIT
lib-q-cb-kemClassical McEliece KEM implementation for lib-Q post-quantum cryptography library184Apache-2.0
omnifs-mount-schemaWire types for the omnifs.provider-manifest.v1 custom section184MIT OR Apache-2.0
espya functional, embeddable scripting language.184MPL-2.0
ruvector-cognitive-containerVerifiable WASM cognitive container with canonical witness chains183MIT
contrag-coreContRAG - Advanced RAG library for ICP canisters with on-chain storage183MIT
cow-browser-walletEIP-1193 browser wallet adapter and wasm-bindgen glue for the CoW Protocol SDK.183MIT OR Apache-2.0
pliego-artifactPortable artifact namespaces and verifiable build receipts for PliegoRS.183Apache-2.0
rust_widgetsPure Rust cross-platform native GUI library with hardware-adaptive rendering, 60+ widgets, touch/gesture support, i18n, and…181MIT
symbolic_regression_wasmWASM bindings for symbolic_regression (browser-friendly wrapper via wasm-bindgen).180Apache-2.0
sertyp_macrosProcedural macros for the sertyp crate.180MIT
afterburner-adaptiveAfterburner adaptive tier — native/WASM switching180BUSL-1.1
beet_clankerECS agentic workflow patterns179MIT OR Apache-2.0
lunar-corecore engine: game loop, ECS wiring, plugin system, scenes, hierarchy, error handling179MPL-2.0
ronn-graphGraph optimization and execution planning for RONN neural network runtime178MIT
ronn-onnxONNX model parsing and compatibility layer for RONN runtime178MIT
ronn-providersExecution provider framework for RONN - hardware abstraction layer177MIT
hook-transpilerMinimal JSX/TSX transpiler for Relay hooks with dynamic import() rewrite to context.helpers.loadModule and friendly errors177MIT OR Apache-2.0
clawbox-sandboxWASM sandboxing engine using wasmtime for isolated tool execution177MIT
taino-editNative Rust WYSIWYG rich-text editor framework for Leptos and Dioxus. Pure Rust, no JS bridge. Typed model, transforms, history,…177MIT OR Apache-2.0
aegis-wasmAegis - A local-first WebAssembly sandbox runtime176MIT OR Apache-2.0
pictogram-icons-vscodeVSCode Codicons export for pictogram176MIT OR Apache-2.0
wasm4pmHigh-performance process mining algorithms in WebAssembly for JavaScript/TypeScript175BUSL-1.1
forme-pdfA page-native PDF rendering engine. Layout INTO pages, not onto an infinite canvas.175MIT
pictogram-icons-font-awesomeFont Awesome icons export for pictogram175MIT OR Apache-2.0