Comet
The facts below are what the maker publishes about Comet, checked and dated. Our editors have not written about it yet.
Plans and prices
From Comet's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Comet | Free | No sign-up · Open source under MIT License |
The facts
Each one read from Comet's own pages, with the date it was checked.
What it does
- Accounts
- The site says no email, password, account, or sign-up is required to start writing.checked 11 Oct 2026
- Current features
- The listed core note-taking features are a Markdown editor, notebooks, tags, full-text search, and an archive flow.checked 11 Oct 2026
- Downloads
- The site links downloads for macOS ARM, macOS Intel, and Linux in AppImage, .deb, and .rpm formats.checked 11 Oct 2026
- Encrypted sync
- The site says note blobs are encrypted before upload, so the relay and Blossom server see ciphertext rather than content.checked 11 Oct 2026
- Encryption
- The site says note content is encrypted before sync uploads, so relay and Blossom servers see ciphertext rather than content.checked 11 Oct 2026
- Integrations
- The project README describes encrypted sync with Nostr and encrypted blob storage with Blossom.checked 11 Oct 2026
- License
- The site states Comet is open source under the MIT License.checked 11 Oct 2026
- Local storage
- Notes are stored locally in SQLite, and the site says no server is required to use the app.checked 11 Oct 2026
- Markdown
- Notes use Markdown, which the site describes as portable and exportable.checked 11 Oct 2026
- Mobile
- The roadmap describes a mobile experience as a future expansion.checked 11 Oct 2026
- Note features
- The site's current roadmap lists local notes, a Markdown editor, notebooks and tags, full-text search, and an archive flow as core note-taking features.checked 11 Oct 2026
- Offline access
- Yeschecked 20 Sep 2026
- Open source
- The site says Comet is open source under the MIT License.checked 11 Oct 2026
- Product
- Comet is a Markdown note-taking app designed for local capture, encrypted syncing, and decentralized publishing.checked 11 Oct 2026
- Publishing
- The roadmap lists a simple publish flow to Nostr as a next step.checked 11 Oct 2026
- Publishing and sync
- The roadmap lists note-to-note linking, publishing to Nostr, and desktop-to-desktop sync as next steps.checked 11 Oct 2026
- Roadmap limit
- The site lists mobile experience and deeper sync across devices as future work.checked 11 Oct 2026
- Support
- The site links to the project's GitHub repository and its X account.checked 11 Oct 2026
Where it runs
- Desktop platforms
- The download links list macOS ARM, macOS Intel, and Linux AppImage, .deb, and .rpm builds.checked 11 Oct 2026
- Security approach
- The maker says notes begin on the user's device and are encrypted before leaving it during sync.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 20 Sep 2026
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