#syntax-highlighting

Pygments is a generic syntax highlighter written in Python

Human and AI Agent friendly print utility with syntax highlighting, markdown support, multiple pages-up, headers/footers. Cross platform (Mac, Linux, Windows) GUI and TUI. Print source code, web pages, and reports generated by legacy systems.

a design system

A cross-platform command line input library that provides syntax highlighting, autocompletion, history and multi-line input.

Thom's Own Editor

Beautiful code blocks for Markdown or MDX.

Tiny, synchronous syntax highlighting for blogs and documentation

md2pdf is a lightweight and efficient Markdown to PDF converter that transforms Markdown documents into clean, professional-quality PDF files while preserving formatting, code blocks, tables, images, and diagrams.

Lightweight, Svelte 5-native code editor components — a simpler alternative to CodeMirror when you want a fast, themeable editor without dragging in a full IDE framework.

A rich help formatter for argparse

Tree-sitter grammar for Visual Basic for Applications (VBA) and VB6.

A CLI utility that generates PDFs from Markdown. Features: syntax highlighting (for code blocks), dark, light and custom themes, TOC autogeneration, tables, pagination control (using horizontal lines - especially useful for presentations), page Footer (consisting of author, title and page number), support of non-Latin charsets and multiple fonts

A framework-agnostic library for integrating Monaco Editor with Shiki highlighting, optimized for streaming updates

AST-first Markdown → HTML library for Rust. Ships with custom blocks, class-based syntax highlighting, a hardened sanitizer, table of contents, streaming output, plain-text extraction, and client-side mermaid diagrams.