Description: GNU M4 is an implementation of the M4 macro processor. It is used for text processing and can generate program source code and other text documents from macros. M4 macros allow reuse and abstraction of text snippets.
Type: software
Pricing: Free
Description: PP is a general-purpose preprocessor that allows you to define macros, include files, and perform conditional compilation for various programming languages. It is lightweight, fast, and customizable.
Type: software
Pricing: Open Source