Preprocessor GitHub Repositories (2026) · Open Source Tools

Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.

CSS preprocessor.

Alternative Erlang Pre-Processor

C99 parser and frontend for libfirm

SystemVerilog 2017 Pre-processor, Parser, Elaborator, UHDM Compiler. Provides IEEE Design/TB C/C++ VPI and Python AST & UHDM APIs. Compiles on Linux gcc, Windows msys2-gcc & msvc, OsX