Notedog

A portable, private Markdown journal for Android that stores entries as plain Markdown files on the device, solving the problem of data ownership and portability. It targets individual users and developers who want a self-hosted, privacy-focused note-taking solution. The product is positioned as a private alternative to cloud-based journals, with optional Git backup and remote access via a tunnel or Tailscale.

Key features

• Browser editing from laptop
• Live preview with Markdown, Mermaid, LaTeX
• Git backup to GitHub, GitLab, Gitea
• Optional tunnel for remote access
• REST API and MCP server for AI agents
• Private by default, no analytics
• Export journal as ZIP
• Vim keybindings and dark mode