Cardamomo
Branch ideas across connected cards, then export them as Markdown.
A free open-source web writing app for developing ideas on a branching canvas. Cardamomo lets you split, merge, move, fold, and dock connected Markdown cards, saves the current draft in the browser without an account, and imports or exports portable Markdown files.
What is Cardamomo best for?
Cardamomo is a free Markdown tool best suited to outlining and reshaping nonlinear long-form writing before producing a markdown document. It is available as Web app on Web, and its source status is open source.
At a glance
- Pricing
- Free
- Source
- Open source
- Best for
- Outlining and reshaping nonlinear long-form writing before producing a Markdown document
Capabilities
- branching cards
- markdown import
- markdown export
- browser autosave
- focus mode
- keyboard navigation
Platforms
Surfaces
Related tools
Obsidian
A private and flexible knowledge base.
Build a local-first knowledge base from Markdown files, backlinks, graph views, canvases, and a large plugin ecosystem.
Marko MD
A focused viewer for the Markdown that Claude writes.
Read local plans, reports, specs, and runbooks in task-specific Reading, Plan, and Interactive modes. Marko runs as a lightweight macOS or Windows app, a standalone browser file, an npm CLI and live server, or a Claude Code plugin, with no accounts, telemetry, or uploads.