Your inbox, handled for you. Upstream's agents sort the noise, draft replies in your exact voice, follow up at the right time, and do what you ask - like finding receipts or scheduling meetings - so you can fly through your inbox and have fun doing it.
From the launch
Upstream is an email client that handles your inbox for you. Agents sort the noise, draft in your exact voice, follow up on time, and do what you ask, so you can finally relax and enjoy email again. Upstream: YC Summer 2023: Upstream - The first inbox designed for humans and agents