Hack is described as 'Programming language for HHVM that interoperates seamlessly with PHP. Hack reconciles the fast development cycle of PHP with the discipline provided by static typing, while adding many features commonly found in other modern programming languages' and is a programming language in the development category. There are more than 50 alternatives to Hack for a variety of platforms, including Linux, Windows, Mac, BSD and Web-based apps. The best Hack alternative is Python, which is both free and Open Source. Other great apps like Hack are Java, PHP, Node.js and Lua.
Vely is a general-purpose framework for C programming language, especially well suited for web applications. It's Free Open Source software. C programmers can develop applications they couldn't easily before, with ease, ergonomics and productivity you expect.
Sucrase is an alternative to Babel that allows super-fast development builds. Instead of compiling a large range of JS features to be able to work in Internet Explorer, Sucrase assumes that you're developing with a recent browser or recent Node.
