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gnu source-highlight VS Rich CLI

Compare gnu source-highlight VS Rich CLI and see what are their differences

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gnu source-highlight logo gnu source-highlight

gnu source-highlight is a command line program that can be used to highlight source code, it supports output to many formats including html, ODF, ANSI and groff.

Rich CLI logo Rich CLI

Rich-cli is a command line toolbox for fancy output in the terminal - GitHub - Textualize/rich-cli: Rich-cli is a command line toolbox for fancy output in the terminal
  • gnu source-highlight Landing page
    Landing page //
    2020-09-23
  • Rich CLI Landing page
    Landing page //
    2023-08-22

Analysis of gnu source-highlight

Overall verdict

  • GNU Source-highlight is a solid, mature, and free (GPL-licensed) tool for converting source code into syntax-highlighted output across many formats, making it a dependable choice for documentation and publishing workflows.

Why this product is good

  • Supports a wide range of programming languages and can be extended with custom language definitions
  • Outputs to multiple formats including HTML, XHTML, LaTeX, Texinfo, ANSI color escape sequences, and DocBook
  • Free and open-source software under the GNU GPL, with no licensing costs
  • Can be used both as a standalone command-line tool and as a library (libsource-highlight) for integration into other programs
  • Highly configurable output styles and themes for tailoring the look of highlighted code
  • Well-established and stable, part of the GNU project with long-term reliability

Recommended for

  • Developers and technical writers producing syntax-highlighted code for documentation or the web
  • Users who need to convert source code to LaTeX or Texinfo for publishing and print output
  • Projects that want to embed syntax highlighting via a C++ library
  • Linux and Unix users comfortable with command-line tools
  • Anyone needing a free, GPL-licensed highlighting solution without proprietary dependencies

Analysis of Rich CLI

Overall verdict

  • Rich CLI is an excellent, well-maintained command-line tool built on the popular Rich Python library, offering beautiful terminal formatting for files, data, and Markdown with minimal effort.

Why this product is good

  • Built on top of the widely trusted and mature Rich library from the same author (Will McGugan)
  • Renders syntax-highlighted code, Markdown, CSV, and JSON with attractive, readable formatting
  • Supports paging, line numbers, guides, and theming for a polished terminal experience
  • Simple, intuitive command syntax that integrates smoothly into existing shell workflows
  • Open source, actively maintained, and cross-platform

Recommended for

  • Developers who spend a lot of time in the terminal and want prettier output
  • People who frequently view code, Markdown, or structured data files from the command line
  • Python enthusiasts already familiar with the Rich ecosystem
  • Anyone building scripts or pipelines that benefit from formatted, human-readable terminal output

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What are some alternatives?

When comparing gnu source-highlight and Rich CLI, you can also consider the following products

Pygments - Generic syntax highlighter suitable for use in code hosting, forums, wikis or other applications...

Oh My Zsh - A delightful community-driven framework for managing your zsh configuration.

prism.js - Prism is a lightweight, extensible syntax highlighter, built with modern web standards in mind.

GNU nano - GNU nano is a small and friendly text editor.

highlight.js - Highlight.js is a syntax highlighter written in JavaScript. It works in the browser as well as on the server.

tmux - tmux is a terminal multiplexer: it enables a number of terminals (or windows), each running a...