Upstream is an AI-powered email client that transforms your inbox into a productivity hub. It organizes messages, drafts replies in your unique voice, and automates follow-ups, allowing you to focus on what truly matters. Integrates with your existing tools for a seamless workflow.

For everyday email and collaboration. Forever.
For high-performing teams and individuals. Billed yearly.
For large organizations with advanced security and AI needs. Billed yearly.