Hubble.md

Plans and prices

Every plan, in full

On the record

Agent integrations

A release note says users can open the current note in Codex or Claude from the note actions menu, with the workspace and note path filled in.github.com · read 12 Oct 2026

Agent workflow

Users can point an agent at their notes folder, and Hubble reloads as the agent edits.github.com · read 12 Oct 2026

Contributions and support

The project welcomes contributions and asks contributors to open an issue before substantial work; its contribution page says maintainers can help scope ideas and changes.github.com · read 12 Oct 2026

File support

The repository describes browsing workspace files, editing plain text and code, viewing PDFs and images, and opening files in their default app.github.com · read 12 Oct 2026

HTML app links

HTML Apps can open web links in the system browser and email links in the default email app, including through the `hubble.links.open(url)` API.github.com · read 12 Oct 2026

HTML apps

Hubble can display HTML based apps, such as tables, bookshelves, or maps built from a notes folder.github.com · read 12 Oct 2026

License

The project is licensed under the MIT License.github.com · read 12 Oct 2026

Markdown editing

The editor supports slash commands, Markdown shortcuts, and file properties or frontmatter.github.com · read 12 Oct 2026

Platform signing

The README says macOS builds are signed and notarized, while Windows and Linux builds are unsigned and may trigger an OS warning on first launch.github.com · read 12 Oct 2026

Purpose

Hubble describes itself as a free, open source note-taking app for people and their agents.github.com · read 12 Oct 2026

Usage data

A release note says Hubble collects anonymous usage data and provides a Settings toggle to opt out.github.com · read 12 Oct 2026

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