Kraa
A free web-based markdown editor that combines private notes, real-time collaborative documents, blog publishing, and an in-line chat widget in one distraction-free app.
🔗 Visit Kraa
Description
Most people end up juggling separate apps for taking notes, writing documents with colleagues, publishing a blog post, and chatting about the draft — Notion for docs, a blogging platform for publishing, Slack for the discussion. Kraa tries to fold all of that into one page: you write in a clean markdown editor, and the same document can be a private note, a shared work-in-progress with teammates watching your cursor move in real time, or a published blog post, with a built-in chat thread attached to it so comments don't have to happen somewhere else.
Technically, Kraa is a browser-based markdown editor with live preview, built by a small team and still in public beta. It deliberately separates a document's content from its visual styling, so the same piece of writing can be restyled for different contexts without rewriting it. Real-time collaboration is handled over WebSockets, showing collaborators' cursors as they type, and sharing is controlled through configurable access rights rather than a single public/private toggle. No account is required to start writing, and the service is reported to run on Swiss servers with a stated no-tracking policy. As of now it is entirely free, though the team hasn't published pricing for if or when paid tiers arrive.
💬 Our review
The short version: Kraa is a genuinely nice, currently-free markdown editor that merges notes, docs, blogging, and chat, but it's an early-stage beta product without a business model yet, so treat it as something to try rather than something to build a business workflow around.
Compared to Notion, Kraa is far lighter and faster, with a sharper focus on writing over databases and kanban boards, and its baked-in chat-per-document is a genuinely distinctive feature none of Notion, Google Docs, or Obsidian offer out of the box. Compared to a dedicated blogging tool like Ghost or a docs tool like Google Docs, Kraa trades maturity and integrations for simplicity and speed. The catch is that as a small team's public beta with no announced pricing, there's real uncertainty about longevity, data portability, and what happens to your writing if the free model changes or the project stalls — reviewers note pricing information still isn't published anywhere. For low-stakes personal notes or quick collaborative drafts today, it costs nothing to try; for anything you can't afford to lose, keep a backup elsewhere until Kraa's business model is clearer.
💰 Pricing
📊 Global score
🤖 AI-enriched data
Free during public beta, no account or credit card required; no paid tiers announced yet.
Pros
Combines notes, collaborative docs, blogging, and chat in one app
Real-time collaboration with live cursor tracking
No account required to start writing
Currently completely free
Cons
Early-stage public beta from a small team
No published pricing or roadmap for paid tiers
No official API or integrations documented
Missing basics like inline image captions per reviewers