function: wasm
161 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| linera-io/linera-protocol Linera is a decentralized Layer-1 blockchain protocol implemented in Rust, designed for highly scalable, low-latency Web3 applications usin… | 86 | 32133 | active |
| emscripten-core/emscripten Emscripten is an LLVM-to-WebAssembly compiler toolchain that compiles C and C++ (and other LLVM-based languages) to run on the Web, Node.js… | 99 | 27574 | active |
| copy/v86 v86 is an x86 PC emulator written in JavaScript that translates x86 machine code to WebAssembly at runtime via a JIT compiler, running enti… | 86 | 23424 | active |
| RustPython/RustPython RustPython is a Python 3 interpreter implemented entirely in Rust, with no CPython bindings. It can be embedded in Rust applications as a s… | 67 | 22305 | active |
| Wasmtime Wasmtime is a standalone WebAssembly runtime built on the Cranelift code generator, usable both as a CLI and as an embeddable library. It s… | 95 | 18570 | stable |
| ruffle-rs/ruffle Ruffle is an open-source Adobe Flash Player emulator written in Rust, targeting desktop and the web via WebAssembly. It supports ActionScri… | 98 | 18460 | active |
| AssemblyScript/assemblyscript AssemblyScript is a compiler that translates a TypeScript-like language with WebAssembly types into lean WebAssembly modules, built on Bina… | 95 | 17993 | active |
| ffmpegwasm/ffmpeg.wasm A WebAssembly/JavaScript port of FFmpeg that runs video and audio recording, conversion, and streaming entirely in the browser. It transpil… | 63 | 17761 | active |
| tinygo-org/tinygo TinyGo is an alternative Go compiler based on LLVM designed for small places such as microcontrollers, WebAssembly (WASM/WASI), and compact… | 88 | 17670 | active |
| leaningtech/webvm WebVM is a Linux virtual machine that runs entirely client-side in the browser via WebAssembly, powered by the CheerpX x86-to-WASM JIT engi… | 67 | 17351 | active |
| electric-sql/pglite PGlite is a WASM build of PostgreSQL packaged as a TypeScript client library that runs a full Postgres database in the browser, Node.js, Bu… | 88 | 15925 | active |
| pyodide/pyodide Pyodide is a port of CPython to WebAssembly/Emscripten, distributed for the browser and Node.js. It lets you run Python, including packages… | 99 | 14802 | active |
| sql-js/sql.js sql.js is SQLite compiled to WebAssembly (and JavaScript via Emscripten), allowing you to create and query relational databases entirely in… | 90 | 13657 | stable |
| stackblitz/core StackBlitz is an online IDE powered by Visual Studio Code that runs entire development environments, including Node.js, directly in the bro… | 32 | 10875 | active |
| WasmEdge/WasmEdge WasmEdge is a lightweight, high-performance, extensible WebAssembly runtime hosted by CNCF, designed for cloud native, edge, and decentrali… | 97 | 10787 | active |
| wasm-bindgen/wasm-bindgen wasm-bindgen is a Rust library and CLI tool that generates high-level bindings between WebAssembly modules and JavaScript, allowing rich ty… | 98 | 9126 | stable |
| maxence-charriere/go-app go-app is a Go package for building progressive web apps (PWAs) using WebAssembly, with a declarative, component-based UI syntax written en… | 98 | 8958 | active |
| cloudflare/workerd workerd is the open-source JavaScript/Wasm server runtime based on the same code that powers Cloudflare Workers. It can be used as an appli… | 95 | 8640 | active |
| napi-rs/napi-rs NAPI-RS is a Rust framework for building pre-compiled Node.js add-ons via Node-API, with a CLI for zero-config builds, cross-compilation, a… | 95 | 7911 | stable |
| tiagozip/cap Cap is a lightweight, open-source, self-hosted CAPTCHA alternative to reCAPTCHA, hCaptcha, and Cloudflare Turnstile. It uses invisible proo… | 81 | 7610 | active |
| wasm-bindgen/wasm-pack wasm-pack is a command-line workflow tool for building Rust code into WebAssembly packages that interoperate with JavaScript. It scaffolds … | 82 | 7282 | active |
| WebAssembly/WASI WASI (WebAssembly System Interface) is a set of standardized APIs that let WebAssembly modules access system resources like files, clocks, … | 94 | 5783 | active |
| extism/extism Extism is a cross-language framework for building with WebAssembly, providing host SDKs and plugin development kits to securely load and ru… | 91 | 5739 | active |
| lunatic-solutions/lunatic Lunatic is an Erlang-inspired runtime for WebAssembly that provides super lightweight, sandboxed processes for building fast, fault-toleran… | 29 | 4884 | active |
| rivet-dev/agentos agentOS is a library that gives AI agents a lightweight operating system running inside your existing backend process, using WebAssembly an… | 91 | 4426 | active |
| trunk-rs/trunk Trunk is a build tool and bundler for Rust WASM web applications, driven by a source HTML file with optional configuration. It bundles WASM… | 79 | 4376 | active |
| mdaines/viz-js Viz.js is a WebAssembly build of Graphviz with a JavaScript wrapper, allowing DOT graph descriptions to be rendered as SVG in the browser o… | 97 | 4343 | active |
| pyscript/pyscript PyScript is an open source platform for running Python directly in the browser, built on Pyodide (CPython), MicroPython, and WebAssembly. I… | 97 | 18692 | maintenance |
| EmulatorJS/EmulatorJS EmulatorJS is a JavaScript library that embeds RetroArch (compiled to WebAssembly) into any website, enabling browser-based emulation of ma… | 77 | 4119 | active |
| cloudflare/workers-rs Ergonomic Rust bindings for the Cloudflare Workers runtime, letting developers write entire Workers in Rust compiled to WebAssembly. It pro… | 95 | 3639 | active |
| grain-lang/grain Grain is a strongly-typed functional programming language that compiles to WebAssembly, together with its compiler toolchain and CLI. It ai… | 88 | 3468 | active |
| konsoletyper/teavm TeaVM is an ahead-of-time compiler that translates Java bytecode (from Java, Kotlin, or Scala) into JavaScript, WebAssembly, or C. It ships… | 91 | 3098 | active |
| tinysearch/tinysearch tinysearch is a lightweight full-text search engine for static websites, written in Rust and compiled to WebAssembly to run entirely in the… | 87 | 2963 | active |
| container2wasm/container2wasm container2wasm is a Go CLI tool that converts container images (e.g. Docker images) into WASM binaries that can run on WASI runtimes or in … | 85 | 2768 | active |
| EOSIO EOSIO is an open-source blockchain smart contract platform written in C++ that executes contracts via WebAssembly. It provides high-perform… | 10 | 11173 | maintenance |
| coder/ghostty-web A web-based terminal emulator library that compiles Ghostty's native VT100 parser to WebAssembly and exposes an xterm.js-compatible API. It… | 54 | 2746 | active |
| bytecodealliance/javy Javy is a JavaScript-to-WebAssembly toolchain that compiles JavaScript source into small Wasm modules executed in an embedded JS runtime. I… | 97 | 2734 | active |
| ill-inc/biomes-game Biomes is an open-source sandbox MMORPG that runs entirely in the web browser, built with Next.js, TypeScript, React, and WebAssembly. It f… | 71 | 2670 | active |
| near/nearcore nearcore is the reference client implementation of the NEAR Protocol, a sharded proof-of-stake blockchain written in Rust. It runs full nod… | 98 | 2611 | active |
| evgeny-nadymov/telegram-react An experimental Telegram web client built with ReactJS and TDLib compiled to WebAssembly. It runs entirely in the browser and can be self-h… | 36 | 2585 | active |
| numberwolf/h265web.js A browser-based HEVC/H.265 (and H.264/AV1) video player SDK supporting live and VOD playback over HTTP-FLV, HLS, MP4, TS, WebSocket, and We… | 99 | 2341 | active |
| wasmi-labs/wasmi Wasmi is an efficient, lightweight WebAssembly interpreter written in Rust, focused on constrained and embedded (no_std) environments. It o… | 94 | 2173 | active |
| flyfish-dev/file-viewer A browser-native file preview library that renders Office documents (DOCX, XLSX, PPTX), PDF/OFD, CAD files (DWG, DXF), archives, email, dia… | 81 | 2083 | active |
| WordPress/wordpress-playground WordPress Playground runs a full WordPress site entirely in the browser (or Node.js) using PHP compiled to WebAssembly, with no server or d… | 99 | 1975 | active |
| jeffreylanters/react-unity-webgl A React library for embedding Unity WebGL builds in React applications with advanced two-way communication APIs between Unity and React. It… | 86 | 1886 | active |
| wa-lang/wa Wa (凹) is a general-purpose, statically typed programming language designed for WebAssembly, with a fully self-developed compiler and runti… | 81 | 1767 | active |
| justjake/quickjs-emscripten TypeScript bindings for the QuickJS JavaScript interpreter compiled to WebAssembly, letting you safely evaluate untrusted JavaScript inside… | 75 | 1696 | active |
| whitphx/stlite Stlite is a port of the Streamlit Python data-app framework that runs entirely in the browser via Pyodide (WebAssembly-compiled Python), wi… | 94 | 1657 | active |
| joaomoreno/gifcap gifcap is a browser-based screen recorder that captures your screen or a single window and encodes it into an optimized animated GIF entire… | 60 | 1651 | active |
| mihaip/infinite-mac Infinite Mac is a browser-based emulator of classic Macintosh computers (System 1 through Mac OS 9 and early PPC Macs), built on WebAssembl… | 80 | 1613 | active |
| aduros/wasm4 WASM-4 is a low-level fantasy game console for building small retro games with WebAssembly. Games are self-contained .wasm cartridges built… | 67 | 1524 | active |
| dtolnay/watt Watt is a Rust runtime for executing procedural macros that have been compiled ahead-of-time to WebAssembly. It lets downstream users run m… | 65 | 1523 | active |
| nasa/spacewasm SpaceWasm is a no_std WebAssembly 1.0 decoder, validator, and interpreter written in Rust, developed at NASA JPL for executing Wasm binarie… | 67 | 1493 | active |
| x1unix/go-playground An improved web-based Go Playground with syntax highlighting, code autocompletion, VIM mode, and WebAssembly support. It can be self-hosted… | 91 | 1486 | active |
| bytecodealliance/wit-bindgen A suite of bindings generators that produce guest-language bindings from WIT (WebAssembly Interface Types) files for the WebAssembly Compon… | 99 | 1446 | active |
| AlexEne/twiggy Twiggy is a code size profiler for WebAssembly binaries. It analyzes a binary's call graph to explain why functions are included and how mu… | 10 | 1430 | active |
| containerd/runwasi A Rust library and set of containerd shims that let containerd run WebAssembly/WASI workloads directly or via Kubernetes through the CRI pl… | 95 | 1331 | active |
| caiiiycuk/js-dos js-dos is a TypeScript library and API for running DOS and Windows 9x programs in the browser or Node.js, acting as a frontend for DOSBox/D… | 97 | 1322 | active |
| webrcade/webrcade webЯcade is a web-based front end for playing retro games in the browser via emulators and game engines, driven by user-defined cloud-based… | 92 | 1274 | active |
| wormtql/genshin_artifact Mona Divination Shop is a web application for Genshin Impact that computes damage, automatically optimizes artifact (relic) combinations, a… | 41 | 1270 | active |
| udevbe/greenfield Greenfield is an HTML5 Wayland compositor that runs native Linux applications remotely in a web browser, or WebAssembly applications direct… | 45 | 1266 | active |
| OpenSilver/OpenSilver OpenSilver is an open-source, MIT-licensed framework for building cross-platform applications with C#, VB.NET, or F# and XAML, powered by W… | 77 | 1260 | active |
| KonghaYao/cn-font-split A Rust-based font subsetting tool that splits large CJK and other character fonts (otf, ttf, woff2) into small, web-ready packages with fin… | 79 | 1235 | active |
| Myriad-Dreamin/typst.ts Typst.ts brings the Typst typesetting engine to JavaScript environments via WebAssembly, providing a Typst World implementation plus export… | 88 | 1204 | active |
| nmrugg/stockfish.js A WebAssembly and asm.js port of the Stockfish chess engine (currently version 18) that runs entirely in web browsers. It ships in multiple… | 72 | 1193 | active |
| ngxson/wllama wllama is a WebAssembly binding for llama.cpp that enables running LLM inference entirely in the browser, with WebGPU support, multimodal i… | 92 | 1191 | active |
| leaningtech/cheerp-meta Cheerp is an LLVM/Clang-based C/C++ compiler toolchain that compiles C and C++ code to WebAssembly and JavaScript for use in browsers and N… | 42 | 1189 | active |
| ocsigen/js_of_ocaml Js_of_ocaml is a compiler that translates OCaml bytecode to JavaScript, allowing pure OCaml programs to run in browsers and Node.js. It wor… | 97 | 1130 | active |
| r-wasm/webr WebR is the R statistical programming language compiled to WebAssembly via Emscripten, allowing R code to run directly in web browsers and … | 89 | 1088 | active |
| arianrhodsandlot/retroassembly RetroAssembly is a self-hostable, browser-based retro game emulator frontend that lets users organize and play their ROM collections from c… | 91 | 1073 | active |
| i-net-software/JWebAssembly JWebAssembly is a Java bytecode to WebAssembly compiler that takes Java class files as input and generates .wasm binary or .wat text output… | 67 | 1052 | active |
| sqlite/sqlite-wasm An npm package that wraps the official SQLite WebAssembly (Wasm) build as a convenient ES Module with added TypeScript types. It enables ru… | 87 | 1044 | active |
| ThatOpen/engine_web-ifc web-ifc is a JavaScript/TypeScript library backed by a C++ WASM module for reading and writing IFC (BIM) files at native speeds. It is part… | 91 | 1026 | active |
| Kagami/ffmpeg.js FFmpeg compiled to JavaScript/WebAssembly via Emscripten, optimized for in-browser use with WebM and MP4 builds plus Web Worker wrappers. I… | 32 | 3460 | maintenance |
| d07RiV/diabloweb A WebAssembly port of Diablo 1 (based on the devilution reverse-engineered source) that runs the classic game directly in web browsers. It … | 32 | 2878 | maintenance |
| mkkellogg/GaussianSplats3D A Three.js-based renderer for 3D Gaussian splatting scenes, viewable in real time in the browser. It supports .ply, .splat, and a custom co… | 46 | 2870 | maintenance |
| TokamakUI/Tokamak Tokamak is a SwiftUI-compatible framework that lets developers build browser apps rendered to the DOM via WebAssembly, with a goal of suppo… | 10 | 2845 | maintenance |
| jameslittle230/stork Stork is a Rust-based tool for adding fast, client-side full-text search to static websites. It consists of a CLI that builds a search inde… | 23 | 2759 | maintenance |
| snaplet/postgres-wasm A proof-of-concept project that runs a full PostgreSQL server inside an x86 virtual machine (via v86) directly in the browser. It packages … | 10 | 2321 | maintenance |
| perlin-network/life Life is a secure and fast WebAssembly virtual machine written in pure Go, featuring an interpreter and an experimental AOT compilation engi… | 32 | 1689 | maintenance |
| manuels/texlive.js A JavaScript port of TeX Live 2016 that compiles LaTeX code entirely in the browser using an emscripten-compiled pdftex. It produces PDF fi… | 32 | 1271 | maintenance |
| rhysd/vim.wasm An experimental port of the Vim text editor compiled to WebAssembly using Emscripten, running in the browser via a Web Worker with SharedAr… | 54 | 5644 | experimental |
| chartshq/muze Muze is a free, composable data visualization library for the web that uses a layered Grammar of Graphics approach and WebAssembly for perf… | 10 | 1182 | maintenance |
| ballercat/walt Walt is a JavaScript-like alternative syntax for the WebAssembly text format that compiles .walt files directly to WebAssembly binaries. It… | 23 | 4631 | experimental |
| GetFirefly/firefly Firefly is an alternative implementation of the BEAM virtual machine, including a compiler and runtime for BEAM languages like Erlang and E… | 10 | 3583 | experimental |
| theseus-os/Theseus Theseus is a research operating system written from scratch in Rust that explores intralingual design, shifting OS responsibilities like re… | 32 | 3182 | experimental |
| artichoke/artichoke Artichoke is a Ruby implementation written in Rust and Ruby, aiming for MRI compatibility and targeting recent MRI Ruby. It can compile to … | 10 | 3126 | experimental |
| mbasso/asm-dom asm-dom is a minimal WebAssembly virtual DOM library that lets developers build single-page applications entirely in C++ compiled with Emsc… | 23 | 2823 | experimental |
| microsoft/aici AICI (Artificial Intelligence Controller Interface) is a Microsoft Research prototype that lets developers write Wasm-based controllers to … | 19 | 2076 | experimental |
| tomaka/redshirt Redshirt is an experimental operating system written in Rust where all executables are WebAssembly programs loaded from an IPFS-like decent… | 58 | 1434 | experimental |
| tantaraio/voy Voy is a tiny vector similarity search engine written in Rust and compiled to WebAssembly, using a k-d tree index for fast nearest-neighbor… | 31 | 1070 | experimental |
| coolwanglu/vim.js Vim.js is a JavaScript port of the Vim text editor, compiled from C to run in the browser via Emscripten with ASM.js support. It offers per… | 10 | 4443 | abandoned |
| krustlet/krustlet Krustlet is a Kubernetes kubelet written in Rust that runs WebAssembly (WASI) workloads instead of containers, using a wasmtime-based runti… | 23 | 3601 | abandoned |
| vincentriemer/react-native-dom An experimental, comprehensive port of React Native to the web, running app logic in web workers while the main thread handles rendering. I… | 32 | 3240 | abandoned |
| wasmerio/winterjs WinterJS is a high-performance JavaScript server that executes Service Worker scripts following the WinterCG specification, built on Spider… | 10 | 3189 | abandoned |
| feather-rs/feather Feather is a Minecraft server implementation written in Rust, built on the libcraft crates and the Quill WebAssembly plugin API. It aims fo… | 23 | 2709 | abandoned |
| tweag/asterius Asterius is a Haskell to WebAssembly compiler based on GHC that compiles Haskell source files or Cabal executables to WebAssembly plus Java… | 10 | 1948 | abandoned |
| microsoft/onnxjs ONNX.js is a JavaScript library for running pre-trained ONNX machine learning models directly in browsers and Node.js, using WebAssembly fo… | 10 | 1814 | abandoned |
| CADmium-Co/CADmium CADmium is a browser-based parametric CAD program built in Rust (compiled to WASM) with a SvelteKit UI, targeting hobbyist mechanical desig… | 10 | 1633 | abandoned |
| beeware/batavia Batavia is a Python virtual machine implemented in JavaScript, allowing Python 3.5+ bytecode to run in the browser. It is an early alpha pr… | 10 | 1377 | abandoned |
page 1 / 2 next →