TabMail
Open-source agentic AI email assistant with zero data retention for iOS and Thunderbird — triage, compose, and search your existing Gmail, Outlook, iCloud, or IMAP inbox.
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What is TabMail?
TabMail is an open-source AI email client for your existing inbox, available for Thunderbird and iPhone. It supports Gmail, Outlook, iCloud, and IMAP, and offers an AI agent that can chat with your inbox, draft replies, edit text conversationally, triage messages, and manage your calendar.
TabMail pricing
Pricing model: Freemium
TabMail pros
- Chat with your inbox to search, understand threads, and take actions on your behalf (always requiring confirmation)
- AI-generated reply drafts, autocomplete while typing, and conversational editing of drafts
- Automatic email triage with AI tags (Reply, None, Archive, Delete) and AI summaries with key points and action items
- Open source, with user preferences stored locally on your device
TabMail cons
- Only available on Thunderbird and iPhone (no Android or other desktop clients mentioned)
- AI agent never acts without manual confirmation, which may slow down fully automated workflows
Frequently asked questions about TabMail
Which email providers does TabMail support?
Gmail, Outlook, iCloud, and IMAP.
Will TabMail perform actions without my approval?
No — TabMail never performs any action without your confirmation.
Is TabMail open source?
Yes, it is open source and available on GitHub.
What platforms is TabMail available on?
Thunderbird desktop client and iPhone via the App Store.