markup VS cmark-gfm

Compare markup vs cmark-gfm and see what are their differences.

markup

Determines which markup library to use to render a content file (e.g. README) on GitHub (by github)

cmark-gfm

GitHub's fork of cmark, a CommonMark parsing and rendering library and program in C (by github)
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markup cmark-gfm
9 6
5,781 854
0.2% 0.6%
1.8 4.3
26 days ago 16 days ago
Ruby C
MIT License GNU General Public License v3.0 or later
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

markup

Posts with mentions or reviews of markup. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-05-17.
  • Give your brain time to think and remember
    7 projects | news.ycombinator.com | 17 May 2023
    Btw github supports more than just markdown: https://github.com/github/markup#markups
  • Documentation generators and custom syntax highlighting
    5 projects | /r/ProgrammingLanguages | 5 May 2023
    I'm not sure 4. works for colors/styling, style attributes are stripped: https://github.com/github/markup/issues/119
  • Do you think we will see color text in GFM?
    1 project | /r/github | 15 Feb 2023
  • Hiding front matter block in github markdown
    1 project | /r/github | 9 Nov 2022
    I found this issue, which does not show much traction: https://github.com/github/markup/issues/994
  • Hi DM's, what medium do you use to organise your campaign?
    3 projects | /r/DnD | 11 Oct 2022
    For sharing settings and lore with players, GitHub wiki. Understands Org and several other formats thanks to GitHub Markup, so I can copy in (and trim down) my original notes without much fuss.
  • raw-markdown and rendered markdown
    2 projects | /r/Markdown | 20 Jun 2022
  • Include diagrams in your Markdown files with Mermaid
    22 projects | news.ycombinator.com | 14 Feb 2022
    Re: https://github.com/github/markup/issues/533

    I’m the main author of KeenWrite (see screenshots), a type of desktop Markdown editor that supports diagrams. It’s encouraging to see that Mermaid diagrams are being supported in GitHub. There are a few drawbacks on the syntax and implications of using MermaidJS.

    First, only browser-based SVG renderers can correctly parse Mermaid diagrams. I’ve tested Apache Batik, svgSalamander, resvg, rsvg-convert, svglib, CairoSVG, ConTeXt, and QtSVG. See issue 2485. This implies that typesetting Mermaid diagrams is not currently possible. In effect, by including Mermaid diagrams, many documents will be restricted to web-based output, excluding the possibility of producing PDF documents based on GitHub markdown documents (for the foreseeable future).

    Second, there are numerous text-to-diagram facilities available beyond Mermaid. The server at https://kroki.io/ supports Mermaid, PlantUML, Graphviz, byte fields, and many more. While including MermaidJS is a great step forward, supporting Kroki diagrams would allow a much greater variety. (Most diagrams produced in MermaidJS can also be crafted in Graphviz, albeit with less terse syntax.)

    Third, see the CommonMark discussion thread referring to a syntax for diagrams. It’s unfortunate that a standard “namespace” concept was not proposed.

    Fourth, KeenWrite integrates Kroki. To do so, it uses a variation on the syntax:

        ``` diagram-mermaid
  • Footnotes now supported in GitHub Markdown
    6 projects | news.ycombinator.com | 30 Sep 2021
    I thought it only rendered files in the repo (match by extension). Does GH also allow asciidoc(tor) syntax in comments and issues?

    * Note: Sadly, include is not supported on GH. https://github.com/github/markup/issues/1095

  • Compare AsciiDoc and Markdown
    6 projects | news.ycombinator.com | 5 Jul 2021

cmark-gfm

Posts with mentions or reviews of cmark-gfm. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-03-04.

What are some alternatives?

When comparing markup and cmark-gfm you can also consider the following projects:

org-mode - This is a MIRROR only, do not send PR.

gitlab-foss

libasciidoc - A Golang library for processing Asciidoc files.

wuffs - Wrangling Untrusted File Formats Safely

commonmark-spec - CommonMark spec, with reference implementations in C and JavaScript

rust - Empowering everyone to build reliable and efficient software.

aasvg - Turn ASCII art into SVG

marktext - 📝A simple and elegant markdown editor, available for Linux, macOS and Windows.

Mermaid - Edit, preview and share mermaid charts/diagrams. New implementation of the live editor.

pandoc - Universal markup converter