AI inbox that prioritizes emails into attention splits, drafts replies in your voice, and times follow-ups automatically.
Upstream is an inbox management tool that sorts emails into what needs attention, what can wait, and what to ignore, while generating AI-drafted replies in the user's own voice tailored to each conversation's context and recipients. It brings follow-up emails back at the right time with a draft already prepared, so important threads never slip through. A free-forever plan is available alongside an iOS app. Upstream is a product of Upstream.
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