Expressive, robust, feature-rich CSS language built for nodejs

A generic post-processing injector for games and video software.

Style tools for UI components

Empower your website frontends with layouts, meta-data, pre-processors (markdown, jade, coffeescript, etc.), partials, skeletons, file watching, querying, and an amazing plugin system. DocPad will streamline your web development process allowing you to craft powerful static sites quicker than ever before.

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

light – weight css preprocessor

Stylable - CSS for components

A mini-preprocessor library to demostrate the recursive capabilites of the preprocessor

The Toolkit for Vim Color Scheme Designers!

A small C11 compiler

Yay is a high level PHP preprocessor

CSS preprocessor.

Anyline: A Fast, Accurate, and Detailed Line Detection Preprocessor

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

Standalone C compiler/assembler/linker/libc for x86-64/aarch64/riscv64/wasm

⚙️ C99-compatible multipass compiler written in TypeScript with GCC extensions support. Features a handcrafted left-recursive parser, custom IR, SSA-based optimizer, and a full frontend/backend pipeline. Compiles to x86 machine code with integrated assembler and emulator.

C99 parser and frontend for libfirm

Extract css class names from required css module files, so we can render it on server.

PostCSS adapter for Stylus

♻️ Simple document transclusion, ideal for Markdown documents