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Upstream
The inbox designed for humans and agents
5.0
•
1 review
•
1.8K followers
The inbox designed for humans and agents
5.0
•
1 review
•
1.8K followers
Visit website
Team collaboration software
•
Email clients
•
AI Workflow Automation
Finally, an inbox you'll look forward to. Agents sort your messages, draft your replies, and clear the grunt work behind the scenes, all in a client so well-crafted that email feels light, fast, fun.
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The inbox designed for humans and agents
Launched on June 18th, 2026
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