Superbly Simple
Tertiary Markdown is both superbly simple (yet powerful) and highly functional in the macOS environment. My only request is to see this product on Linux as well (we use Linux at work).
Free
About
Organize your knowledge into a personal, linked wiki. Create topics and subtopics as HTML pages, with support for markdown and wikilinks. Your data is stored locally and accessible offline.
✓Organize topics and subtopics
✓Read self-contained HTML pages
✓Follow standard and wikilinks
✓Tag pages for easy retrieval
✓Edit markdown files with live preview
✓Access local folders or built-in library
✓Offline access to all content
Show original description
+1
What's New in Wiki LLM
1.1
November 7, 2026
Tertiary Markdown is now Wiki LLM, with a new look and a new focus. • Organise knowledge as topics, subtopics and rich HTML pages • Links between pages, and tags to find related ones • A new icon, and a welcome topic to get you started Your existing files are untouched. To see them, tap + and choose Open Library Folder. Topics are shown as folders, so keep notes inside a folder to see them in the list.
MoreUser reviews
Developer apps
FAQ
How does Wiki LLM organize knowledge?
Wiki LLM organizes your knowledge into topics and subtopics, which are represented as folders. Pages within these folders are self-contained HTML files that can be linked together using standard links and wikilinks.
Can I use Wiki LLM offline?
Yes, all your wiki pages and content are stored locally on your device, allowing for complete offline access. You can read and organize your knowledge without an internet connection.
Does Wiki LLM use AI to generate content?
The app itself does not include an AI model and does not upload your pages. It is designed to work with AI agents on your computer that can help build the wiki content.
What file formats does Wiki LLM support?
Wiki LLM primarily uses self-contained HTML pages for its content. It also supports opening and editing markdown files (.md) with a live preview feature.
Is there an account or sign-in required for Wiki LLM?
No, Wiki LLM does not require an account or sign-in. Your data stays in the folder you choose, ensuring privacy and no tracking.
What devices is Wiki LLM available on?
Wiki LLM is available for iPhone and iPad, supporting both light and dark appearances that your pages can follow.
How often is Wiki LLM updated?
The latest version of Wiki LLM is 1.1, which was last updated on November 7, 2026. Updates aim to improve functionality and reliability.
What is the user rating for Wiki LLM?
Wiki LLM has a rating of 1.0 stars from 1 rating. This indicates a very limited user base has provided feedback so far.
