Emscripten

SimCitysimhacker/micropolis

Open-source simulation engine based on the original SimCity Classic, designed for building city simulation games.

Chuckccrma/chuck

A strongly-timed, concurrent programming language for real-time sound synthesis, music creation, and audio experimentation.

Rigel Enginelethal-guitar/RigelEngine

A modern C++ re-implementation of the classic DOS game Duke Nukem II, offering enhanced graphics and usability on modern systems.

Threeppmarkaren/threepp

A cross-platform C++20 port of the three.js library, enabling 3D graphics rendering in C++ applications.

Ouzelelnormous/ouzel

A cross-platform C++ game engine for 2D game development, supporting Windows, macOS, Linux, iOS, tvOS, Android, and web browsers.

Supernovasupernovaengine/supernova

A free, cross-platform game engine for 2D and 3D projects using an entity component system (ECS) and data-oriented design.

Love.jsDavidobot/love.js

A tool that ports LÖVE games to the web using Emscripten, enabling browser-based play.

Nazara EngineNazaraEngine/NazaraEngine

A cross-platform C++ framework for building real-time applications with 2D/3D rendering, audio, physics, and networking.

SPyspylang/spy

A variant of Python designed to be statically compilable while retaining useful dynamic features, with both an interpreter and a compiler.

Oxygineoxygine/oxygine-framework

A C++ engine and framework for building 2D games across iOS, Android, Windows, Linux, Mac, and web platforms.

Cross Windowalaingalvan/CrossWindow

A cross-platform C++ system abstraction library for managing windows and performing OS tasks across desktop, mobile, and web.

GLFMbrackeen/glfm

A C API for mobile and web app development with OpenGL ES and Metal, inspired by GLFW.

Binjgbbinji/binjgb

A simple, cycle-accurate Game Boy and Game Boy Color emulator written in C that runs natively and in the browser via WebAssembly.

JoltPhysics.jsjrouwe/JoltPhysics.js

A JavaScript port of the Jolt Physics engine using Emscripten, enabling high-performance physics simulations in web applications.

FWKr-lyeh/FWK

A single-file, unlicensed 3D game engine/framework written in C, featuring an integrated asset pipeline and cross-platform support.

LiveCodelivecode/livecode

An open-source cross-platform development environment for building mobile, desktop, and server applications with a visual workflow.

js-nacltonyg/js-nacl

A pure-JavaScript high-level API wrapper for Emscripten-compiled libsodium cryptographic routines.

gdal3.jsbugra9/gdal3.js

Convert raster and vector geospatial data to various formats and coordinate systems entirely in the browser using WebAssembly.

Indigoepam/Indigo

A universal cheminformatics toolkit with database search engines, a core library, and utilities for molecular processing.

CrossShaderalaingalvan/CrossShader

A cross-compiler for shader languages, converting between SPIR-V, GLSL, HLSL, and Metal Shader Language.

playcanvas-arplaycanvas/playcanvas-ar

A library for building fast, web-based augmented reality applications using the PlayCanvas Editor and Engine.

is::EngineIs-Daouda/is-Engine

An open-source C++ game engine using SFML and SDL 2 to build and export games for Nintendo Switch, Web, Mobile, and PC.

loamazavea/loam

A JavaScript library that wraps GDAL for geospatial data processing directly in the browser using WebAssembly.

Visual Script Enginekovacsv/VisualScriptEngine

A modern C++ visual scripting engine designed for embedding into applications with no external dependencies.

WebGPU .NETWaveEngine/WebGPU.NET

Low-level .NET bindings for WebGPU, enabling browser-based graphics development for Evergine.

spl.jsjvail/spl.js

SpatiaLite 5.1.1-rc0 with SQLite, GEOS, PROJ, and RTTOPO compiled to WebAssembly for Node.js and browser environments.

sql.jskripken/sql.js

SQLite compiled to JavaScript via Emscripten, enabling SQL databases to run entirely in the browser.

RSC-C2003scape/rsc-c

A portable, enhanced RuneScape Classic client written in C99 with support for multiple platforms and modern features.

The Great Escape in Cdpt/The-Great-Escape-in-C

A portable C reimplementation of the classic ZX Spectrum isometric 3D game 'The Great Escape'.

rainDOSAYGO-Research/rain

A family of fast, compact hash functions (Rainbow and Rainstorm) with C++ and Node.js/WASM implementations, passing all SMHasher3 tests.

wernsey chip8wernsey/chip8

A C-based CHIP-8 interpreter with assembler, disassembler, and SuperChip support, featuring SDL and Win32 implementations.

muimalisipi/mui

A cross-platform UI library for V and C, supporting Windows, Linux, Android, and Web with native widgets and system themes.

Kigs frameworkKigs-framework/kigs

A modular C++ framework for rapid development of cross-platform applications including games, simulators, and viewers.

tampBrianPugh/tamp

A low-memory, DEFLATE-inspired lossless compression library optimized for embedded and resource-constrained environments.

UltrafastSecp256k1shrec/UltrafastSecp256k1

Ultra high-performance secp256k1 ECC engine with GPU acceleration, continuous adversarial audit, and multi-language bindings.

Script Debuggerkallewoof/btcdeb

A command-line debugger and compiler for Bitcoin Script, enabling step-by-step execution and human-readable script conversion.