#issueid support for your Jekyll site

Server-side MathJax rendering for Jekyll with a strict CSP

OpenMoji emoji pack plugin for Jekyll with powerful configuration options and support for various emoji image file sources and extensions. in addition to OpenMoji emojis, you can also configure it to use any available emoji sources.

Highly customized version emoji plugin for Jekyll

Do not use

Easily generate Markdown files from your JSON schema.

Extends the Markdown syntax to allow quick generation of links to Rails resources.

A filter to rewrite links so that files can be viewable on GitHub and a static server

Realtime Github Flavored Markdown Preview with WebSocket

Magnet specified markdown processor

HTML::Pipeline filter for Octopress-flavored syntax highlighting

Checks whether links/images in your Markdown files are valid.

A content parser and renderer with embedded metadata support.

Handy utilities for coding

Generates a table of contents for a single page, via HTML::Pipeline.

Markdown processor like GitHub

The Prolog::Services::MarkdownToHtml class converts valid Markdown to valid HTML (as well-formed XML; i.e., void element tags such as <br/> are always properly closed). The resulting HTML is rendered as a single line of text with all unnecessary whitespace removed.

Core engine for the Publify blogging system, formerly known as Typo.

A Ruby API and CLI tool for manipulating Xcode Swift Playgrounds. Supports generation from markdown files with the intent to aide in the production of polished playground documents.

The best Rails 4.2+ forums engine ever. Its goal is to be as simple and feature rich as possible. Thredded works with SQLite, MySQL (v5.6.4+), and PostgreSQL. See the demo at https://thredded.org/.