Clone this repo:
  1. eb46e6c Micro-optimize code size of key event registration (#11261) by juj · 56 minutes ago master
  2. bddbbca Fix broken promise when loading wasm from array buffer (#11245) by Stuart Schechter · 2 hours ago
  3. 2509ec9 SSE1 support (#11193) by juj · 9 hours ago
  4. c5e2dd1 Fix aliasing-based undefined behavior in string functions. (#11215) by zekoz · 19 hours ago
  5. f2aea76 Disable test to allow LLVM to roll (#11253) by Thomas Lively · 21 hours ago

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Main project page: http://emscripten.org

Overview

Emscripten compiles C and C++ to WebAssembly using LLVM and Binaryen. Emscripten output can run on the Web, in Node.js, and in wasm runtimes.

Emscripten provides Web support for popular portable APIs such as OpenGL and SDL2, allowing complex graphical native applications to be ported, such as the Unity game engine and Google Earth. It can probably port your codebase, too!

While Emscripten mostly focuses on compiling C and C++ using Clang, it can be integrated with other LLVM-using compilers (for example, Rust has Emscripten integration, with the wasm32-unknown-emscripten and asmjs-unknown-emscripten targets).

License

Emscripten is available under 2 licenses, the MIT license and the University of Illinois/NCSA Open Source License.

Both are permissive open source licenses, with little if any practical difference between them.

The reason for offering both is that (1) the MIT license is well-known, while (2) the University of Illinois/NCSA Open Source License allows Emscripten's code to be integrated upstream into LLVM, which uses that license, should the opportunity arise.

See LICENSE for the full content of the licenses.