Open-source wasm software
162 open-source libraries, tools and applications tagged wasm, ranked by how closely wasm is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
162 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| 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 | 1376 | abandoned |
| fitzgen/dodrio Dodrio is a fast, bump-allocated virtual DOM library for Rust compiled to WebAssembly, using bumpalo arenas and a change-list stack machine… | 10 | 1235 | abandoned |
| lapce/lapce Lapce is an open-source, GPU-accelerated code editor written in pure Rust with a native GUI built on the Floem toolkit. It offers built-in … | 81 | 38935 | active |
| Turso Database Turso is an in-process SQL database written in Rust that is compatible with SQLite and experimentally supports a Postgres frontend. Like SQ… | 96 | 24810 | active |
| leptos-rs/leptos Leptos is a full-stack, isomorphic Rust web framework that uses fine-grained reactive signals to build declarative user interfaces compiled… | 100 | 21404 | active |
| huggingface/candle Candle is a minimalist machine learning framework for Rust focused on performance and ease of use, with CPU and CUDA GPU support. It ships … | 74 | 21182 | active |
| wgpu wgpu is a cross-platform, safe, pure-Rust graphics API based on the WebGPU standard. It runs natively on Vulkan, Metal, D3D12, and OpenGL, … | 97 | 18311 | stable |
| tracel-ai/burn Burn is a Rust-based tensor library and deep learning framework supporting training and inference through a unified API. It JIT-compiles te… | 86 | 16008 | active |
| VERT VERT is an open-source web-based file converter that converts images, audio, documents, and video between 250+ formats. Non-video conversio… | 66 | 15671 | active |
| ggml-org/ggml ggml is a plain C/C++ tensor library for machine learning with no dependencies, designed to be simple, portable, and efficient. It supports… | 99 | 15480 | stable |
| floooh/sokol Sokol is a collection of minimal, STB-style, cross-platform standalone C header libraries for graphics rendering, audio, input, and app win… | 77 | 10363 | stable |
| Astrid Astrid is a portable, capability-secure operating system for composable software, where every component runs as a sealed WebAssembly capsul… | 82 | 10279 | active |
| open-pencil/open-pencil OpenPencil is an open-source, AI-native design editor that opens and writes native Figma (.fig) files, with built-in AI chat that can creat… | 83 | 9153 | active |
| WebAssembly/wabt WABT (The WebAssembly Binary Toolkit) is a suite of C/C++ command-line tools for working with WebAssembly binaries, including wat2wasm, was… | 90 | 8171 | stable |
| Spin Spin is an open-source framework and CLI for building, deploying, and running event-driven serverless microservices as WebAssembly componen… | 100 | 6540 | active |
| Galacean Engine Galacean Engine is a high-performance, real-time interactive 2D/3D engine written in TypeScript, built on WebGL/WebGL2 with support for ani… | 84 | 5901 | active |
| AidLux (AidLearning) AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 63 | 5812 | active |
| xiangechen/chili3d Chili3D is a browser-based 3D CAD application built with TypeScript that compiles OpenCascade (OCCT) to WebAssembly and integrates Three.js… | 92 | 4872 | active |
| StructuredLabs/preswald Preswald is a Python framework and static-site generator for building interactive data apps that bundle compute, data access, and UI into a… | 59 | 4268 | active |
| edwardkim/rhwp rhwp is an open-source HWP/HWPX (Korean Hangul word processor format) viewer and editor built with Rust and WebAssembly. It runs in the bro… | 82 | 3966 | active |
| standardagents/arrow-js ArrowJS is a tiny, type-safe reactive UI framework for the web built on JavaScript primitives like template literals and the DOM, with no b… | 81 | 3768 | active |
| emscripten-core/emsdk The Emscripten SDK (emsdk) is a package-manager-style CLI tool that installs, activates, and switches between versions of the Emscripten co… | 76 | 3671 | active |
| vercel-labs/wterm wterm is a terminal emulator for the web with a Zig-compiled WASM core that parses VT100/VT220/xterm escape sequences and renders to the DO… | 80 | 3480 | active |
| saghul/txiki.js txiki.js is a tiny JavaScript runtime built on the QuickJS-ng engine and libuv, targeting modern ECMAScript and WinterTC compliance. It shi… | 92 | 3207 | active |
| MaxBittker/sandspiel Sandspiel is a creative falling-sand browser game implementing cellular automata, written in Rust and compiled to WebAssembly with WebGL re… | 75 | 3169 | active |
| kane50613/takumi Takumi is a Rust-based rendering engine that converts JSX, HTML, and CSS into images (PNG, JPEG, WebP, SVG, animated GIF/WebP) and paged PD… | 83 | 3134 | active |
| database.build An in-browser Postgres sandbox where each database runs locally via PGlite (WASM Postgres) and is paired with an LLM assistant for generati… | 58 | 2953 | active |
| abi/secret-llama Secret Llama is a fully private LLM chatbot that runs entirely in the browser with no server or installation required, powered by the WebLL… | 25 | 2675 | active |
| wasmCloud wasmCloud is a CNCF incubating cloud native platform for building, deploying, and orchestrating WebAssembly component workloads across clou… | 100 | 2460 | active |
| learnhouse/learnhouse LearnHouse is a next-generation open-source learning management system (LMS) for creating, sharing, and selling educational content. It com… | 100 | 2404 | active |
| saschagrunert/webapp.rs A complete web application written entirely in Rust, using Leptos (WebAssembly with SSR and hydration) for the frontend and Axum for the ba… | 76 | 2247 | active |
| a16z/helios Helios is a fast, trustless multichain light client for Ethereum written in Rust that turns an untrusted centralized RPC endpoint into a ve… | 98 | 2185 | active |
| Nicholas-L-Johnson/flip-card A business card built on an RP2350 microcontroller that runs a FLIP (fluid-implicit-particle) fluid simulation on its display, including Ki… | 54 | 1900 | active |
| Cedar Policy Language Cedar is a purpose-built policy language and Rust implementation for writing and enforcing fine-grained authorization policies in applicati… | 98 | 1801 | stable |
| bytecodealliance/wasm-tools A Bytecode Alliance project providing a CLI and Rust libraries for low-level manipulation of WebAssembly modules. It supports validation, p… | 94 | 1799 | active |
| xibyte/jsketcher JSketcher is a parametric 2D and 3D CAD modeler written in pure JavaScript/TypeScript that runs entirely in the browser with no server-side… | 54 | 1743 | active |
| erweixin/RaTeX RaTeX is a KaTeX-compatible LaTeX math rendering engine written in pure Rust, with no JavaScript, WebView, or DOM dependency. A single Rust… | 78 | 1529 | active |
| golemcloud/golem Golem is an open-source durable agent runtime and serverless platform for running WebAssembly components in a distributed cloud environment… | 91 | 1518 | active |
| ratatui/ratzilla Ratzilla is a Rust framework for building terminal-themed web applications using Ratatui widgets compiled to WebAssembly. It renders TUI-st… | 74 | 1460 | active |
| tejaswigowda/ffmpeg-webCLI A browser-based video and audio editor powered by ffmpeg.wasm that performs all media processing locally via WebAssembly and Web Workers. I… | 73 | 1441 | active |
| kripken/ammo.js ammo.js is a direct port of the Bullet physics engine to JavaScript and WebAssembly using Emscripten, with autogenerated bindings that mirr… | 75 | 4581 | maintenance |
| tractordev/apptron Apptron is a local-first development platform that runs a full Alpine Linux environment with a VSCode-based editor entirely in the browser … | 81 | 1211 | active |
| NiklasEi/bevy_game_template A template repository for building games with the Bevy engine in Rust, including a small example game and preconfigured builds for Windows,… | 73 | 1147 | active |
| fsbolero/Bolero Bolero is a set of F# libraries and tools for building web applications on top of Blazor, running in WebAssembly or server-side via SignalR… | 94 | 1136 | active |
| smparsons/retroboy Retro Boy is a cycle-accurate Game Boy emulator written in Rust that compiles to WebAssembly for browser-based play. It features accurate C… | 56 | 1039 | active |
| Microsoft Quantum Development Kit The Microsoft Quantum Development Kit provides tooling for the Q# quantum programming language, including a compiler, language service, sta… | 94 | 1024 | active |
| ErosZy/WXInlinePlayer WXInlinePlayer is a JavaScript library that plays FLV (H.264/H.265) video in mobile web browsers via WebAssembly software decoding, renderi… | 23 | 1484 | maintenance |
| sonysuqin/WasmVideoPlayer A WebAssembly-based video player library that plays H265/HEVC and other FFmpeg-supported codecs in the browser using FFmpeg for demuxing/de… | 32 | 1391 | maintenance |
| vercel-labs/scriptc scriptc is a TypeScript-to-native compiler that compiles ordinary TypeScript and JavaScript into small, fast, self-contained native executa… | 77 | 6336 | experimental |
| freenet/freenet-core Freenet is a fully decentralized peer-to-peer network implemented in Rust that acts as a global shared computer and distributed key-value s… | 96 | 3110 | experimental |
| orbitinghail/sqlsync SQLSync is a collaborative offline-first wrapper around SQLite that synchronizes web application state between users, devices, and the edge… | 50 | 2915 | experimental |
| memorysafety/river River is a reverse proxy application written in Rust, built on Cloudflare's Pingora library and developed under ISRG's Prossimo initiative … | 17 | 2353 | experimental |
| chinedufn/percy Percy is a collection of Rust libraries for building frontend browser apps with Rust and WebAssembly, centered on an html! macro that gener… | 73 | 2314 | experimental |
| RibirX/Ribir Ribir is a non-intrusive, declarative GUI framework for Rust that builds multi-platform applications (desktop, mobile, web/WASM) from a sin… | 72 | 1733 | experimental |
| kettle11/tangle Tangle is a TypeScript library that wraps WebAssembly modules to make building multiplayer apps and games easy, handling message passing, s… | 32 | 1207 | experimental |
| danielealbano/cachegrand cachegrand is a high-performance key-value store and data ingestion, processing, and serving platform written in C and optimized for modern… | 23 | 1004 | experimental |
| nginx/unit NGINX Unit is a lightweight universal web application server, written in C, that serves static assets, handles TLS, routes requests, and na… | 10 | 5543 | abandoned |
| bytecodealliance/lucet Lucet is a native WebAssembly ahead-of-time compiler and runtime for safely executing untrusted Wasm programs inside applications, built on… | 10 | 4042 | abandoned |
| AmbientRun/Ambient Ambient is an open-source cross-platform runtime and multiplayer game engine built with Rust, WebAssembly, and WebGPU, featuring an in-game… | 23 | 3905 | abandoned |
| WebAssemblyStudio WebAssembly Studio was a browser-based IDE for writing, compiling, and debugging WebAssembly projects using C/C++, Rust, and TypeScript. Th… | 10 | 2932 | abandoned |
| MichiganTypeScript/typescript-types-only-wasm-runtime A WebAssembly runtime implemented entirely in TypeScript's type system, with no JavaScript runtime code, capable of compiling and executing… | 29 | 2404 | abandoned |
| Zaplib/zaplib Zaplib is an open-source Rust/WebAssembly framework for speeding up web applications by incrementally porting slow JavaScript code to Rust.… | 32 | 1270 | abandoned |
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