Top MARKDOWN GitHub Repositories & Tools (2026)

The web data API to search, scrape, and interact at scale. 🔥

Long-term memory runtime for AI agents — plain Markdown as the source of truth, local ranked retrieval, and an independent sleep-time Manage layer. Claude Code and Codex share one store. No API key.

Python tool for converting files and office documents to Markdown.

Get your documents ready for gen AI

Open-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI Cloud with one key.

Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.

An open-source, local-first writing workspace where you can write with Claude Code and Codex, drawing on your own sources and past work.

Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours.

A simple Markdown viewer for reading .md files

The Open Framework for Building Agents

AI conversations that actually remember. Never re-explain your project to your AI again. Join our Discord: https://discord.gg/tyvKNccgqN

Just like TextEdit on Mac but dedicated to Markdown.

macOS Quick Look extension for Markdown files.

The local-first AI assisted research workspace for scientific writing & publishing. Research, Write, Compile, Verify and Publish in LaTeX • Typst • Markdown • Git-native • Open Source • Desktop Performance

Git-native persistent memory for AI coding agents. Implements Google OKF v0.2 with sub-300µs in-memory BM25 search, embedded MCP server, and progressive disclosure. Slashes token bloat by 80% with zero external databases or dependencies. Built in pure Go.

A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: https://logseq.io/p/NX4mc_ggEV

Multiplatform Markdown-Based Rich Text Solution

⛷ Lightweight Markdown app to help you write great sentences.

Render markdown on the CLI, with pizzazz! 💅🏻

Fast Rust library for PDF inspection, classification, and text extraction. Intelligently detects scanned vs text-based PDFs to enable smart routing decisions.