Fern
buildwithfern.comPublish developer documentation from Markdown and API specifications with versioned content and editing tools.
Publish developer documentation from Markdown and API specifications with versioned content and editing tools.
An open-source academic notebook that brings Markdown notes, PDF annotations, and literature management together.
A local-workspace knowledge manager for Markdown, mind maps, diagrams, and other files.
Build searchable technical documentation from API specifications, code, and Markdown.
Turn Markdown or MDX files into a searchable documentation site with API references and versioning.
Maintain a team knowledge base with Markdown editing, collections, search, and public sharing.
Edit Markdown wiki pages in the browser while using GitHub as the content and history backend.
Open-source newsletters with several editors and optional tracking
A private, local-first Markdown knowledge base for Mac, iPhone, and iPad.
Chrome extension that saves ChatGPT conversations as PDF, Markdown, Text, CSV, JSON, or Image files.
AI note taker that watches videos and saves Markdown notes to Obsidian
Apply chosen rules to Markdown and plain text
Web crawling and scraping API that returns clean markdown from web pages.
Connect one application to email accounts across major providers through a normalized API and webhook workflow.
Self-hosted Markdown comments with an explicit approval queue
Email API with delivery events and a shared usage balance
Edit code on iPhone or iPad with broad syntax highlighting, remote file access, and an SSH terminal.
A free, open-source notebook for organizing notes in the browser or on desktop.
Add formatted text, tables, syntax highlighting, and progress displays to Python terminal programs.
Keep reading notes, quotations, analysis, and source details beside the writing they inform.
A browser-based Elixir notebook for executable code and Markdown, with interactive results and collaboration.
Write with Apple Pencil in an Obsidian vault and keep handwritten pages beside Markdown notes.
Render a directory of content templates into a static website without requiring a client-side framework.
Store notes and files in an encrypted notebook that syncs across devices.