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Upstream

Name: Upstream
Availability: OnlineOnly
Author: Garry Tan

The inbox designed for humans and agents

ai tool·free

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Launched

Jun 18, 2026

Upvotes

923

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About

What is Upstream?

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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Tags

#product-hunt

#email

#productivity

#artificial-intelligence

Developer

Garry Tan

Details

Category: ai tool
Pricing: free
Launched: Jun 18, 2026
Views: 13

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