This is Meta's fork of the CPython runtime. The name "cinder" here is historical, see https://github.com/facebookincubator/cinderx for the Python extension / JIT compiler.

A virtual machine for executing programs written in Hack.

A brainfuck interpreter written in F#

TypeScript loader for webpack

The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio