Compare software

DiaVessel Browser
Freemium

A free tier is available. Heavier use requires a paid plan.

 Freemium

Open source; Vessel Premium costs $5.99 per month with a 7-day trial.

macOS Windows, macOS, Linux
  • Assistant reads your open tabs, so questions do not need copy and paste
  • AI actions shown in a real browser window with approval steps
  • MCP control for external agent tools
  • macOS only and requires an account
  • The assistant sends page content to a remote service, which has privacy implications
  • Early software, not recommended for sensitive accounts
  • Linux is the only mature install target
Downloadable app Downloadable app
Closed source Open source
License not stated License: MIT
Account needed Not stated if an account is needed
Not stated if it works offline Needs internet

Checked September 22, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.