Best Open Source markdown Libraries
A curated list of the most popular GitHub repositories tagged with markdown. Select any project to visualize its architecture and dive into the codebase using Codyn's AI engine.
#1firecrawl/firecrawl
🔥 The Web Data API for AI - Turn entire websites into LLM-ready markdown or structured data
#2microsoft/markitdown
Python tool for converting files and office documents to Markdown.
#3toeverything/AFFiNE
There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.
#4usememos/memos
Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours.
#5docling-project/docling
Get your documents ready for gen AI
#6Textualize/rich
Rich is a Python library for rich text and beautiful formatting in the terminal.
#7marktext/marktext
📝A simple and elegant markdown editor, available for Linux, macOS and Windows.
#8prettier/prettier
Prettier is an opinionated code formatter.
#9jekyll/jekyll
:globe_with_meridians: Jekyll is a blog-aware static site generator in Ruby
#10GitHubDaily/GitHubDaily
坚持分享 GitHub 上高质量、有趣实用的开源技术教程、开发者工具、编程网站、技术资讯。A list cool, interesting projects of GitHub.
#11slidevjs/slidev
Presentation Slides for Developers
#12jgm/pandoc
Universal markup converter
#13siyuan-note/siyuan
A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.
#14logseq/logseq
A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: https://discuss.logseq.com/t/logseq-product-roadmap/34267
#15markedjs/marked
A markdown parser and compiler. Built for speed.
#16docsifyjs/docsify
🃏 A magical documentation site generator.
#17GitbookIO/gitbook
The open source frontend for GitBook doc sites
#18requarks/wiki
Wiki.js | A modern and powerful wiki app built on Node.js
#19koodo-reader/koodo-reader
A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and Web
#20mdx-js/mdx
Markdown for the component era
#21nhn/tui.editor
🍞📝 Markdown WYSIWYG Editor. GFM Standard + Chart & UML Extensible.
#22vuejs/vitepress
Vite & Vue powered static site generator.
#23foambubble/foam
A personal knowledge management and sharing system for VSCode
#24getzola/zola
A fast static site generator in a single binary with everything built-in. https://www.getzola.org
#25academicpages/academicpages.github.io
Github Pages template based upon HTML and Markdown for personal, portfolio-based websites.
#26Ileriayo/markdown-badges
Badges for your personal developer branding, profile, and projects.
#27remarkjs/react-markdown
Markdown component for React
#28getgrav/grav
Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS powered by PHP, Markdown, Twig, and Symfony
#29sparanoid/chinese-copywriting-guidelines
Chinese copywriting guidelines for better written communication／中文文案排版指北
#30erusev/parsedown
Better Markdown Parser in PHP
#31showdownjs/showdown
A bidirectional Markdown to HTML to Markdown converter written in Javascript
#320x7c13/Notepads
A modern, lightweight text editor with a minimalist design.
#33blinkospace/blinko
An open-source, self-hosted personal AI note tool prioritizing privacy, built using TypeScript .
#34MacDownApp/macdown
Open source Markdown editor for macOS.
#35remarkjs/remark
markdown processor powered by plugins part of the @unifiedjs collective
#36MrLesk/Backlog.md
Backlog.md - A tool for managing project collaboration between humans and AI Agents in a git ecosystem
#37cloudflare/cloudflare-docs
Cloudflare’s documentation
#38microsoft/tsdoc
A doc comment standard for TypeScript
#39xugaoyi/vuepress-theme-vdoing
🚀一款简洁高效的VuePress知识管理&博客(blog)主题
#40silverbulletmd/silverbullet
An open source personal productivity platform built on Markdown, turbo charged with the scripting power of Lua
#41mark-when/markwhen
Make a cascading timeline from markdown-like text. Supports simple American/European date styles, ISO8601, images, links, locations, and more.
#42Tencent/cherry-markdown
✨ A Markdown Editor
#43preservim/vim-markdown
Markdown Vim Mode
#44vercel/eve
The Framework for Building Agents
#45pluk-inc/markdown-preview
A simple Markdown viewer for reading .md files
#46sftwrdotdev/Markpad
The Notepad equivalent for Markdown
#47tllovesxs/wandao
万能导:多平台知识库 Markdown 全项目一键导入导出工具(导入导出效果最好),用自动化代替手动复制粘贴(有道云,飞书,语雀,阿里云知识库,知识星球,印象笔记,ima,onenote,为知笔记导出导入).(可保留目录结构,图片,项目格式) 关键词:语雀导出导入,飞书导出导入,ima导出导入.阿里云文档导出,印象笔记导出导入,有道云导出,知识星球导出,为知笔记导出,onenote导出,钉钉文档,息流导出,Obsidian 导出,wps导出,知乎导出
#48zhitongblog/solomd
A markdown editor — and the bridge to your LLM. Local-first, MIT, ~15 MB. Bundled MCP server lets Claude Code / Codex / Cursor drive your vault directly. 14 AI providers BYOK.
#49nextcloud/collectives
Your space to collaboratively write and organize. Collectives is designed for groups and communities to structure shared knowledge and cultivate trust.
#50AIEPhoenix/ai-react-markdown
A React component library for rendering AI-generated markdown — LLM streaming, LaTeX math, Mermaid diagrams, GFM, syntax highlighting, CJK-friendly typography, and cross-chunk reference coordination.