Open-source wasm software
656 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.
656 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| ONNX.js ONNX.js is a JavaScript library for running pre-trained ONNX machine learning models directly in browsers and Node.js, using WebAssembly fo… | 10 | 1815 | abandoned |
| SteveSanderson/Blazor This is the original SteveSanderson/Blazor repository, an experimental .NET web framework for building interactive client-side web apps usi… | 23 | 1677 | 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 | 1637 | abandoned |
| ink! ink! is a Rust-based embedded domain-specific language (eDSL) for writing smart contracts that run on Polkadot SDK-based blockchains via th… | 63 | 1454 | abandoned |
| Shikiji Shikiji is an ESM-focused rewrite of the Shiki syntax highlighter, using TextMate grammars (the same engine as VS Code) to produce accurate… | 10 | 1454 | abandoned |
| kripken/BananaBread BananaBread is a port of the Cube 2/Sauerbraten C++ 3D game engine and first-person shooter to the web, compiled to JavaScript/WebAssembly … | 32 | 1452 | abandoned |
| google/schism Schism is an experimental self-hosting compiler that compiles a subset of R6RS Scheme to WebAssembly, allowing Scheme programs to run in br… | 10 | 1276 | 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 |
| 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 |
| jterrace/js.js js.js is a JavaScript interpreter written in JavaScript, created by compiling SpiderMonkey to LLVM and translating it with Emscripten. It e… | 32 | 1081 | abandoned |
| SWC SWC (Speedy Web Compiler) is a super-fast TypeScript/JavaScript compiler written in Rust, usable as both a Rust library and a JavaScript pa… | 93 | 34210 | stable |
| SurrealDB SurrealDB is a multi-model database written in Rust that combines document, graph, vector, and relational data models in a single ACID engi… | 93 | 33087 | stable |
| iced-rs/iced Iced is a cross-platform GUI library for Rust inspired by The Elm Architecture, offering a simple, type-safe, reactive programming model wi… | 72 | 31779 | active |
| Tree-sitter Tree-sitter is a parser generator tool and incremental parsing library that builds concrete syntax trees for source files and efficiently u… | 96 | 27097 | stable |
| Turso Database Turso is a lightweight, SQLite‑compatible database that can run embedded on devices or as a fully managed cloud service. It adds modern fea… | 96 | 24810 | 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 |
| simdjson A C++ library that parses JSON at gigabytes-per-second speeds using SIMD instructions and microparallel algorithms, with runtime CPU-tailor… | 100 | 24432 | stable |
| marimo marimo is a reactive Python notebook stored as pure Python files, where running a cell automatically re-runs dependent cells to keep code a… | 92 | 23280 | active |
| ONNX Runtime ONNX Runtime is a cross-platform, high-performance machine-learning accelerator for running inference and training on ONNX models. It suppo… | 99 | 22132 | stable |
| 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 | 18712 | stable |
| Ruffle Ruffle is an open-source Adobe Flash Player emulator written in Rust, targeting desktop and the web via WebAssembly. It supports ActionScri… | 99 | 18709 | active |
| kitao/pyxel Pyxel is a retro game engine for Python with simple, console-inspired specifications such as 16 colors and 4 sound channels, implemented in… | 90 | 17872 | stable |
| Effect Effect is a TypeScript library and ecosystem for building production-grade, type-safe applications, centered on the Effect type that encode… | 95 | 17323 | stable |
| Turso Database libSQL is an open source, open contribution fork of SQLite maintained by Turso, adding features like vector search, concurrent writes, asyn… | 77 | 17247 | 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 |
| k2-fsa/sherpa-onnx sherpa-onnx is an offline speech processing toolkit built on next-gen Kaldi and onnxruntime, supporting speech-to-text, text-to-speech, spe… | 94 | 15357 | active |
| apache/tvm Apache TVM is an open machine learning compiler framework that takes pre-trained models and compiles them into optimized, deployable module… | 95 | 13840 | active |
| Z3Prover/z3 Z3 is a high-performance SMT (Satisfiability Modulo Theories) theorem prover from Microsoft Research, written in C++. It solves logical con… | 95 | 12786 | stable |
| LiteParse LiteParse is a fast, open-source document parser written in Rust that extracts spatial text with bounding boxes from PDFs, Office files, an… | 76 | 12661 | active |
| svenstaro/genact genact is a nonsense activity generator that displays fake busy-looking terminal output (compiling, memdumps, etc.) to make it seem like wo… | 82 | 12207 | stable |
| Dart The Dart SDK is the open-source toolkit for the Dart programming language, including the Dart VM with JIT and AOT compilation, JavaScript a… | 77 | 11312 | stable |
| perspective-dev/perspective Perspective is an interactive analytics and data visualization component for large, real-time, and streaming datasets, built around a high-… | 99 | 11296 | active |
| bellard/quickjs QuickJS is a small, embeddable JavaScript engine written in C that supports the ES2025 specification with near-complete test262 conformance… | 76 | 11015 | active |
| serde-rs/serde Serde is Rust's standard serialization and deserialization framework, built on the trait system with compile-time derive macros instead of … | 93 | 10838 | stable |
| PeterL1n/RobustVideoMatting Robust Video Matting (RVM) is a deep learning model and library for real-time human video matting, using a recurrent neural network with te… | 23 | 9533 | stable |
| xberg-io/xberg Xberg is a polyglot document intelligence framework with a Rust core that extracts text, metadata, tables, images, and structured data from… | 88 | 9437 | active |
| dotnet/blazor Blazor is a front-end web framework from Microsoft for building interactive web apps in C# using reusable components that can run on the cl… | 10 | 9255 | stable |
| 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 |
| SanderMertens/flecs Flecs is a fast, lightweight Entity Component System (ECS) framework for C99 and C++17 that enables building games and simulations with mil… | 90 | 8755 | stable |
| zeux/meshoptimizer A C/C++ library providing algorithms to optimize triangle meshes for GPU rendering, including vertex cache optimization, overdraw reduction… | 94 | 8518 | stable |
| 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 |
| opengeos/GeoLibre GeoLibre is a free, open-source, lightweight cloud-native GIS platform for visualizing, exploring, and analyzing geospatial data. Built wit… | 82 | 8047 | active |
| parcel-bundler/lightningcss Lightning CSS is an extremely fast CSS parser, transformer, bundler, and minifier written in Rust, usable as a Rust or JavaScript library, … | 89 | 7683 | active |
| PixarAnimationStudios/OpenUSD OpenUSD is Pixar's Universal Scene Description, an efficient and scalable system for authoring, reading, and streaming time-sampled 3D scen… | 91 | 7541 | stable |
| mackron/miniaudio miniaudio is an audio playback and capture library for C and C++ distributed as a single source file with no external dependencies. It prov… | 79 | 7383 | stable |
| cisco/ChezScheme Chez Scheme is a high-performance implementation of the Scheme programming language, serving as a superset of R6RS with its own compiler, r… | 82 | 7365 | 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 … | 81 | 7290 | active |
| Ren'Py Ren'Py is an open-source visual novel engine that lets creators build interactive stories using words, images, and sounds, combining an eas… | 92 | 6904 | active |
| halide/Halide Halide is an embedded DSL (in C++ and Python) for writing high-performance, data-parallel image and array processing pipelines. It separate… | 67 | 6620 | stable |
| erincatto/box3d Box3D is a 3D rigid body physics engine for games, written in portable C17 with a data-oriented design. It provides collision detection, jo… | 65 | 6587 | active |
| BLAKE3 The official Rust and C implementations of the BLAKE3 cryptographic hash function, which is faster than MD5, SHA-2, and BLAKE2 while remain… | 96 | 6468 | stable |
| androguard/androguard Androguard is a full Python tool and library for reverse engineering and analyzing Android files, including DEX/ODEX bytecode disassembly a… | 80 | 6323 | active |
| HarfBuzz HarfBuzz is a text shaping engine that converts Unicode text into properly positioned glyph output for any writing system, supporting OpenT… | 99 | 6165 | stable |
| MontFerret/ferret Ferret is a declarative, expression-oriented query language (FQL) with an embeddable Go runtime for querying, transforming, and automating … | 79 | 6013 | 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 |
| Tencent/libpag libpag is Tencent's official real-time rendering library for PAG (Portable Animated Graphics) files, a format exported from Adobe After Eff… | 97 | 5795 | active |
| Extism Extism is a cross-language framework for building with WebAssembly, providing host SDKs and plugin development kits to securely load and ru… | 94 | 5794 | active |
| maziyarpanahi/openmed OpenMed is a local-first healthcare AI SDK for clinical named-entity recognition and HIPAA PII/PHI de-identification that runs entirely on-… | 85 | 5699 | active |
| LiveCharts LiveCharts is a data visualization library for .NET providing animated, interactive charts, maps, and gauges across many .NET UI frameworks… | 81 | 5492 | active |
| patriciogonzalezvivo/glslViewer A console-based OpenGL sandbox for rendering and live-editing 2D/3D GLSL shaders without a UI. It supports fragment and vertex shaders, tex… | 84 | 5329 | active |
| supabase-community/postgres-language-server A Language Server Protocol implementation and toolchain for Postgres SQL, built on libpg_query for 100% syntax compatibility. It provides e… | 95 | 5260 | active |
| Picovoice/porcupine Porcupine is a highly-accurate, lightweight on-device wake word detection engine powered by deep neural networks. It enables always-listeni… | 72 | 4959 | stable |
| borgo-lang/borgo Borgo is a statically typed programming language with Rust-inspired syntax that transpiles to readable Go code. It offers algebraic data ty… | 31 | 4632 | active |
| RuVector RuVector is a Rust-native vector database and memory substrate for AI agents, combining persistent semantic embeddings, graph relationships… | 83 | 4554 | active |
| onnxsim/onnxsim ONNX Simplifier (onnxsim) is a tool that simplifies ONNX models by inferring the whole computation graph and replacing redundant operators … | 99 | 4415 | active |
| unum-cloud/USearch USearch is a fast, single-file similarity search and clustering engine for vectors and arbitrary objects, supporting spatial, binary, proba… | 89 | 4325 | active |
| linebender/resvg resvg is a fast, portable SVG rendering library written entirely in safe Rust, usable as a Rust library, C library, or CLI application for … | 92 | 4144 | stable |
| CozoDB CozoDB is a transactional, relational-graph-vector database written in Rust that uses Datalog as its query language. It runs embedded or as… | 23 | 4135 | active |
| dprint dprint is a pluggable and configurable code formatting platform written in Rust that unifies formatters for many languages behind a single … | 100 | 4107 | active |
| Microsoft SEAL Microsoft SEAL is an open-source homomorphic encryption library written in modern C++, with a .NET wrapper, supporting BFV/BGV and CKKS sch… | 100 | 4054 | 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 |
| ggerganov/imtui ImTui is an immediate mode text-based user interface (TUI) C++ library that ports the Dear ImGui API to the terminal via ncurses, supportin… | 40 | 3632 | active |
| icedland/iced iced is a fast and correct x86/x64 (16/32/64-bit) instruction decoder, disassembler, and assembler library with bindings for Rust, .NET, Ja… | 67 | 3592 | active |
| Auburn/FastNoiseLite FastNoise Lite is a highly portable noise generation library offering 2D/3D Perlin, OpenSimplex2, Cellular (Voronoi), Value, and Cubic nois… | 59 | 3527 | stable |
| google-ai-edge/LiteRT LiteRT is Google's successor to TensorFlow Lite, an on-device runtime for high-performance ML and GenAI inference on edge platforms. It pro… | 86 | 3514 | 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 |
| sonos/tract Tract is Sonos' tiny, self-contained neural-network inference engine written in Rust. It loads ONNX, TensorFlow/TFLite, and NNEF models, op… | 97 | 3075 | active |
| Solar2D Game Engine Solar2D (formerly Corona SDK) is a free, open-source, Lua-based 2D game engine for building mobile, desktop, TV, and HTML5 apps from a sing… | 99 | 2889 | active |
| mitsuhiko/minijinja MiniJinja is a powerful, minimal-dependency template engine for Rust (with Go, Python, JavaScript/WASM, and CLI variants) that implements t… | 94 | 2778 | stable |
| paullouisageneau/libdatachannel libdatachannel is a standalone C++17 library (with C bindings) implementing WebRTC Data Channels, WebRTC Media Transport, and WebSockets wi… | 87 | 2749 | stable |
| mattwparas/steel Steel is an embeddable Scheme dialect interpreter implemented in Rust, running on a bytecode virtual machine with mostly R5RS compliance. I… | 87 | 2626 | active |
| utooland/utoo Utoo is a unified, high-performance web development toolchain written in Rust, combining an npm-compatible package manager (utoo/ut), a Tur… | 91 | 2549 | active |
| Farama-Foundation/Arcade-Learning-Environment The Arcade Learning Environment (ALE) is a framework built on the Stella Atari 2600 emulator that lets researchers and hobbyists develop an… | 92 | 2458 | stable |
| iPlug2/iPlug2 iPlug2 is a C++ framework for developing cross-platform audio plug-ins and standalone apps that target multiple plug-in APIs (CLAP, VST2/VS… | 65 | 2430 | active |
| remorses/gpuix GPUIX provides React and TypeScript bindings for GPUI, Zed's GPU-accelerated UI framework, letting you build native desktop apps that rende… | 80 | 2326 | active |
| wasmi-labs/wasmi Wasmi is an efficient, lightweight WebAssembly interpreter written in Rust, focused on constrained and embedded (no_std) environments. It o… | 95 | 2317 | active |
| casadi/casadi CasADi is an open-source symbolic framework for gradient-based numerical optimization, implementing forward and reverse mode automatic diff… | 94 | 2317 | stable |
| josephburnett/jd jd is a command-line utility and Go library for diffing and patching JSON and YAML values. It supports a native human-readable diff format … | 74 | 2308 | active |
| Nethereum Nethereum is the .NET integration platform for Ethereum and EVM-compatible blockchains, offering 130+ NuGet packages covering RPC access, s… | 82 | 2260 | active |
| isomorphic-git A pure JavaScript reimplementation of git that works in both Node.js and browser environments (including WebWorkers and ServiceWorkers), wi… | 95 | 8374 | maintenance |
| openfl/openfl OpenFL is an open-source Haxe framework implementing the classic Flash/AIR APIs for building games and creative applications. A single code… | 81 | 2157 | active |
| pocketpy/pocketpy pocketpy is a portable Python 3.x interpreter written in C11 with no dependencies beyond the C standard library, designed as a Lua alternat… | 92 | 2125 | active |
| vtereshkov/umka-lang Umka is a statically typed, embeddable scripting language implemented in C99, with a bytecode compiler and virtual machine distributed as a… | 88 | 2110 | active |
| ClassiCube/ClassiCube ClassiCube is a custom Minecraft Classic compatible client written from scratch in C, replicating the 2009 Minecraft Classic experience wit… | 89 | 2082 | active |
| zxing-cpp/zxing-cpp ZXing-C++ is an open-source, multi-format 1D/2D barcode image processing library written in pure C++20, ported from the Java ZXing library … | 94 | 2039 | active |
| cossacklabs/themis Themis is a cross-platform, high-level cryptographic library providing ready-made building blocks for secure data storage, encrypted messag… | 69 | 1978 | stable |
| dotnet/dotNext DotNext is a family of .NET libraries extending the standard API with high-performance, low-allocation primitives such as async locks, unma… | 77 | 1965 | active |
| mlc-ai/xgrammar XGrammar is an open-source library for efficient, flexible, and portable structured generation in LLM inference via constrained decoding. I… | 91 | 1964 | active |
| KFR KFR is a fast, modern C++ digital signal processing framework providing FFT/DFT, FIR/IIR/biquad filter design and processing, sample rate c… | 95 | 1931 | stable |
| ashvardanian/NumKong NumKong is a mixed-precision numeric and linear-algebra library with ~2,000 SIMD-accelerated kernels for dot products, distances, matrix mu… | 93 | 1899 | active |