Emscripten vs Rome : What are the differences?

What is Emscripten? An Open Source LLVM to JavaScript compiler. This allows applications and libraries originally designed to run as standard executables to be integrated into client side web applications.

What is Rome ? All in one JS toolchain (By Facebook). It is an experimental JavaScript toolchain. It includes a compiler, linter, formatter, bundler, testing framework and more. It aims to be a comprehensive tool for anything related to the processing of JavaScript source code.

Emscripten can be classified as a tool in the "JavaScript Compilers" category, while Rome is grouped under "Javascript Utilities & Libraries".

Some of the features offered by Emscripten are:

• Compile C and C++ code into JavaScript
• Compile any other code that can be translated into LLVM bitcode into JavaScript
• Compile the C/C++ runtimes of other languages into JavaScript

On the other hand, Rome provides the following key features:

• Open Source
• Compiler
• Linter

Emscripten and Rome are both open source tools. It seems that Emscripten with 18.9K GitHub stars and 2.26K forks on GitHub has more adoption than Rome with 7.96K GitHub stars and 254 GitHub forks.