CombinePDF vs kramdown

CombinePDF

A Pure ruby library to merge PDF files, number pages and maybe more... (by boazsegev)

kramdown

kramdown is a fast, pure Ruby Markdown superset converter, using a strict syntax definition and supporting several common extensions. (by gettalong)

Markdown Processors Kramdown Ruby Markdown HTML PDF

Source Code

kramdown.gettalong.org

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CombinePDF		kramdown
	Project
1	Mentions	4
715	Stars	1,696
-	Growth	-
5.3	Activity	0.0
28 days ago	Latest Commit	9 months ago
Ruby	Language	Ruby
MIT License	License	MIT License

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.

CombinePDF

Posts with mentions or reviews of CombinePDF. We have used some of these posts to build our list of alternatives and similar projects.

Combining PDFs in a Ruby on Rails application
1 project | dev.to | 27 Oct 2021

CombinePDF is a pure Ruby solution to parse PDF files and combine (merge) them with other PDF files, watermark them or stamp them.

kramdown

Posts with mentions or reviews of kramdown. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-08-13.

Have Markdown lists be able to start at an arbitrary number
2 projects | /r/ideasfortheadmins | 13 Aug 2022
Add a table of contents (TOC) to your blog posts
6 projects | dev.to | 27 Jun 2022

The Kramdown markdown parser-converter that is used by Jekyll, has the ability to generate a TOC. If all is want is a TOC, it does the job.
VS Code Markdown Preview + GH Pages?
10 projects | /r/vscode | 22 Oct 2021

Fundamentally, I'd love for my math/markdown notes to be portable, not just viewable via a markdown reader. Ideally, with as little work as possible I'd LOVE it if I could just publish my .md as Jekyll posts hosted on Github Pages. Unfortunately as far as I can tell, GH Pages used kramdown which accomodates math-mode for MathJax rather than KaTeX.
Understand the basics of Ruby on Rails by building a blog app
2 projects | dev.to | 18 Aug 2021

Kramdown: https://github.com/gettalong/kramdown

What are some alternatives?

When comparing CombinePDF and kramdown you can also consider the following projects:

Wicked Pdf - PDF generator (from HTML) plugin for Ruby on Rails

Redcarpet - The safe Markdown parser, reloaded.

Pdfkit - A Ruby gem to transform HTML + CSS into PDFs using the command-line utility wkhtmltopdf

pandoc - Universal markup converter

Prawn - Fast, Nimble PDF Writer for Ruby

word-to-markdown - A ruby gem to liberate content from Microsoft Word documents

HexaPDF - Versatile PDF creation and manipulation for Ruby

Maruku - A pure-Ruby Markdown-superset interpreter (Official Repo).

Grover - A Ruby gem to transform HTML into PDFs, PNGs or JPEGs using Google Puppeteer/Chromium

CommonMarker - Ruby wrapper for the comrak (CommonMark parser) Rust crate

RGhost - RGhost is a document creation and conversion API. It uses the Ghostscript framework for the format conversion, utilizes EPS templates and is optimized to work with larger documents. Support(PDF,PS,GIF,TIF,PNG,JPG,etc)

Tocer - A command line interface for generating Markdown table of contents.