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Best Open Source webassembly Libraries

A curated list of the most popular GitHub repositories tagged with webassembly. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1JetBrains/kotlin

The Kotlin Programming Language.

52,454Kotlin
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#2naptha/tesseract.js

Pure Javascript OCR for more than 100 Languages ๐Ÿ“–๐ŸŽ‰๐Ÿ–ฅ

37,925JavaScript
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#3gkd-kit/gkd

ๅŸบไบŽๆ— ้šœ็ข๏ผŒ้ซ˜็บง้€‰ๆ‹ฉๅ™จ๏ผŒ่ฎข้˜…่ง„ๅˆ™็š„่‡ชๅฎšไน‰ๅฑๅน•็‚นๅ‡ปๅฎ‰ๅ“ๅบ”็”จ | An Android APP with custom screen tapping based on Accessibility, Advanced Selectors, and Subscription Rules

36,962Kotlin
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#4raysan5/raylib

A simple and easy-to-use library to enjoy videogames programming

31,565C
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#5emscripten-core/emscripten

Emscripten: An LLVM-to-WebAssembly Compiler

27,248C++
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#6slint-ui/slint

Slint is an open-source declarative GUI toolkit to build native user interfaces for Rust, C++, JavaScript, or Python apps.

23,647Rust
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#7JetBrains/compose-multiplatform

Compose Multiplatform, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.

18,898Kotlin
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#8AssemblyScript/assemblyscript

A TypeScript-like language for WebAssembly.

17,852WebAssembly
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#9tursodatabase/turso

Turso is an in-process SQL database, compatible with SQLite.

17,846Rust
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#10bytecodealliance/wasmtime

A lightweight WebAssembly runtime that is fast, secure, and standards-compliant

17,745Rust
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#11tinygo-org/tinygo

Go compiler for small places. Microcontrollers, WebAssembly (WASM/WASI), and command-line tools. Based on LLVM.

17,222Go
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#12tursodatabase/libsql

libSQL is a fork of SQLite that is both Open Source, and Open Contributions.

16,508C
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#13leaningtech/webvm

Virtual Machine for the Web

16,440JavaScript
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#14pion/webrtc

Pure Go implementation of the WebRTC API

16,132Go
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#15unoplatform/uno

Open-source platform for building cross-platform native Mobile, Web, Desktop and Embedded apps quickly. Create rich, C#/XAML, single-codebase apps from any IDE. Hot Reload included! 90m+ NuGet Downloads!!

9,855C#
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#16mbasso/awesome-wasm

๐Ÿ˜Ž Curated list of awesome things regarding the WebAssembly (wasm) ecosystem.

9,511
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#17AdrienTorris/awesome-blazor

Resources for Blazor, a .NET web framework using C#/Razor and HTML that runs in the browser with WebAssembly.

9,322
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#18capstone-engine/capstone

Capstone disassembly/disassembler framework for ARM, ARM64 (ARMv8), Alpha, BPF, Ethereum VM, HPPA, LoongArch, M68K, M680X, Mips, MOS65XX, PPC, RISC-V(rv32G/rv64G), SH, Sparc, SystemZ, TMS320C64X, TriCore, Webassembly, XCore and X86.

8,595C
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#19taubyte/tau

Fullstack Workspace for Humans & Machines

4,987Go
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#20vugu/vugu

Vugu: A modern UI library for Go+WebAssembly (experimental)

4,983Go
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#21dotnetcore/BootstrapBlazor

Bootstrap Blazor is an enterprise-level UI component library based on Bootstrap and Blazor.

4,861C#
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#22lunatic-solutions/lunatic

Lunatic is an Erlang-inspired runtime for WebAssembly

4,846Rust
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#23jupyterlite/jupyterlite

Wasm powered Jupyter running in the browser ๐Ÿ’ก

4,780TypeScript
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#24rivet-dev/agentos

Give agents an operating system as a library. Runs in your existing backend โ€“ no sandboxes, VMs, or SaaS. Powered by WebAssembly & V8 isolates.

4,439Rust
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#25esengine/estella

A fast 2D game engine โ€” TypeScript SDK, C++/WebAssembly core, visual editor. Ship one project to web, desktop, WeChat MiniGames, playable ads, and native Android / iOS.

660TypeScript
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