Simon Willison's markdown-svg-renderer is a customized Markdown rendering tool that treats fenced code SVG blocks specially: it both renders the image and provides a tab to view the code. Users can paste Markdown or load from a CORS-enabled URL or Gist.
TAG · #MARKDOWN
#markdown
30 items
HOTNESS
Astro 6.4 introduces a pluggable Markdown pipeline, allowing developers to swap the default Markdown processor for a new Rust-based one for improved performance. The update also includes additional enhancements for content handling and site building.
AgentSite is a tool that serves identical bytes to all visitors and includes a Markdown representation of the page content placed at the top of the <body> element.
A developer created markdown-based AI agents implementing UK Government Digital and Data Profession Capability Framework roles. Using official UK naming conventions helps teams (executive, legal, governance) understand the system immediately. The markdown files work with AI chat systems and advanced tooling like Claude Code.
Liiists is a Markdown-first list app available for iOS and as a CLI tool. It offers three list types (standard lists, checklists, and timestamped logs), stores lists as local .md files synced via iCloud, and features a community discovery section for sharing and exploring public lists.
Tektite is a minimalistic Markdown knowledge base app designed for organizing and managing notes in Markdown format, focusing on simplicity and efficiency.
Logseq Doctor is a tool that repairs flat old Markdown files before importing them into Logseq, ensuring proper formatting and structure for compatibility with the Logseq platform.
A new tool lets users replace "x.com" with "tweet.md" in URLs to convert public X posts, threads, and articles into clean Markdown format.
PlainMarkdown v1.6 improves conversion performance on heavy websites, adds AI-powered actions, and introduces new export options for users.
docs-cli is a new Python tool published on PyPI that helps coding agents keep Markdown documentation in sync by automatically updating links and indexes. The creator built it to solve the problem of project documentation drifting out of sync during development, and it includes an Agent Playbook Suite marketplace. This is the author's first Show HN post after 20 years of lurking.
Adam Dunkels created a 6502 emulator that runs at roughly one instruction per second, written entirely in Markdown and executed within a large language model. The project demonstrates the feasibility of implementing a functional CPU emulator using only LLM capabilities, without traditional programming languages or runtime environments.
Worldnotes is an infinite notes canvas for the browser that uses markdown-based notes and wikilink-style navigation. Built as a web-based alternative to tools like Obsidian, it includes a lean editor core, plugin system, CSS theming support, and custom storage adapters.
The article argues that Markdown and LaTeX serve different purposes: Markdown is designed for simple, readable text formatting, while LaTeX is a full typesetting system for complex documents. The author criticizes the trend of trying to make Markdown behave like LaTeX, noting that this overcomplicates Markdown and misunderstands its intended use case.
Marina is a simple, free, and open-source Markdown editor that works entirely in the browser. It offers a clean interface for writing and previewing Markdown content without requiring server-side processing or user accounts.
Obsidian is a free, flexible note-taking app that prioritizes user privacy and local storage. It offers a powerful knowledge base system using Markdown files, enabling users to connect thoughts through bi-directional linking and create a personal knowledge graph.
A zero-dependency CLI tool converts LinkedIn exports into Markdown format, making profile data compatible with large language models for easier analysis and processing.
Glimpse is a native macOS markdown viewer with on-device AI (Apple's FoundationModels) for summaries, key insights, and auto-glossary, requiring macOS 26. It features inline editing, file watching, presentation mode, offline KaTeX/Mermaid, and a QuickLook extension. Available on the Mac App Store with a 14-day free trial and subscription.
A developer has converted NSA Umbra UFO files, released under FOIA, into Markdown format and hosted them on GitHub. The repository enables page-wise browsing and includes a chat interface that allows users to query the documents, such as asking about radar tracking reports or specific flight trackings mentioned in the files.
Sentilis is a CLI tool that transforms a folder of Markdown files into a personal website featuring a bio, blog, and store.
LogseqMarkdownParser is a tool designed to access and extract properties from Markdown files, enabling users to parse metadata and structured data embedded within Markdown documents.
This guide shows how to build a vintage recipe rolodex website using Python, the Pelican static site generator, and Markdown files. It covers structuring recipes as Markdown with metadata, generating a searchable index, and styling the site for a retro look.
The article introduces a lightweight test suite built using Markdown files, where test cases are written in markdown and verified automatically, aiming to simplify testing by keeping it readable and version-control friendly.
Files.md is an open-source note-taking and knowledge management application positioned as an alternative to Obsidian. It is available on GitHub for users seeking a self-hosted or community-driven tool.
Adam Dunkels built a BASIC interpreter written entirely in Markdown that runs natively inside Claude Code, allowing users to write and execute retro BASIC programs directly within the AI coding assistant environment.
Pinote is a lightweight floating Markdown scratchpad application available on GitHub, designed for quick note-taking with Markdown support in a small, always-on-top window.
A single Markdown file called RULES.md provides setup instructions for configuring Claude, Codex, Cursor, and Copilot AI coding assistants, helping users quickly get started with these tools.
The article argues that the most effective "brain" for AI agents is a simple system of versioned folders containing Markdown files. This approach provides structured, human-readable memory storage that agents can easily read, write, and iterate upon, offering a practical alternative to more complex database solutions.
The author explains why they prefer Djot over Markdown, citing Djot's more consistent syntax, better handling of complex formatting, and fewer ambiguous edge cases. Djot is presented as a cleaner, more predictable markup language for writing and publishing.
The Markdown Handbook released issue no. 30 of "The Markdown Link," a newsletter covering Markdown-related news, tools, and tutorials.
Wireloom is a Markdown extension that allows users to create UI wireframes directly within Markdown documents, enabling rapid prototyping and design documentation without external tools.
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