An AI-first workspace that unifies your knowledge base, files and workflows. It runs AI agents 24/7 on your data, stores everything as plain Markdown files on disk & supports bring-your-own AI keys.
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There are many alternatives to Obsidian for Mac if you are looking for a replacement. The best Mac alternative is Joplin, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Obsidian and loads of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Obsidian are Logseq, Anytype, Notion and Notesnook.
An AI-first workspace that unifies your knowledge base, files and workflows. It runs AI agents 24/7 on your data, stores everything as plain Markdown files on disk & supports bring-your-own AI keys.

Ritemark is a free, open-source Markdown editor for Mac and Windows. It turns a folder on your computer into a workspace where ChatGPT or Claude work with you. You write in plain Markdown files with a visual editor, and the AI reads, writes and edits the same files when you ask...




Grasmere is a calm Mac app for writing in plain markdown. It keeps track of the links between your documents, your research and your tasks.




Handwrite and type in one note, then search what you wrote by hand. Oaklet Notes keeps everything encrypted on your own device, with no account, on desktop and mobile.




Native desktop Markdown word processor that stores plain-text files locally, offers a Word-style ribbon and separate document windows, imports and exports .docx with formatting, renders Mermaid diagrams, and includes an optional assistant for local or OpenAI-compatible LLMs.




Our goal is to be the CotEditor of Markdown editors, i.e. elegant, powerful, configurable, and native inside out.




Open a project folder and work on everything in tabs: WYSIWYG Markdown with Mermaid and math, Word and Excel edited in place, PPT, PDF, images and archives previewed. Optional AI chat (your own OpenAI-compatible key) can edit Markdown and Excel files; spreadsheet edits show a...




Open-source workspace combining documents, databases, whiteboards, a daily journal and project tools in a page-tree structure. It supports collaborative editing, flexible database views, self-hosting with Docker and SQLite, imports from popular tools, and exports to Markdown, CSV, ZIP, S3 or Git.




monthlet is an AI-native note app where you speak your mind in plain language and the AI writes the whole note — layout and all — as a local, plain-HTML file you own.



A task and notes app for Mac, Windows, and iPhone, with quick capture from the desktop screen edge and optional cloud sync.




A native macOS to-do list and notes app in one window: Today, Daily, Backlog, notes, goals, timers and analytics — all over one timestamped log. no cloud, no accounts. Open source on GitHub.


Fernanda is a desktop writing app for long-form prose. Like Obsidian, a vault is just a folder on your computer, but Fernanda is built for writing projects rather than note-taking: everything you write stays in plain-text files you own and can open in any editor.



