Exo
★ 4/5 · Productivity
Open-source AI-native desktop email client (macOS) that uses Claude to prioritize emails, surface sender context, draft replies, and learn user preferences.
Pros
- Open-source and free
- Claude-powered email analysis and priority classification
- Automatic web search for sender context (LinkedIn, role, company)
- Cmd+J quick assistant for email-specific queries
- Learns from user overrides and maintains persistent AI memories
- Available on GitHub
Cons
- Requires manual setup with Gmail API credentials and Anthropic API key
- macOS-only
- Early stage with potential bugs
- Limited documentation for non-technical users
- No cloud backup or sync
Cost
Free (open-source); requires own Anthropic API costs
Verdict
Best for technical Mac users wanting tight Claude integration in email with open-source transparency and control over AI processing.
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