Unified Gmail and Outlook inbox
Brings Gmail and Outlook accounts into one inbox in an open-source email client.
Loading page…
Coding / product dossier
Inbox Zero
Open-source Gmail and Outlook client with optional AI email sorting and replies drafted in your voice.
Product brief
What Inbox Zero does.
Inbox Zero Mail is an open-source email client for Gmail and Outlook. Fast, keyboard-first, and free to use, on web, Mac, Windows and iPhone, with all your accounts in one inbox. Add AI for $20/mo: every email is sorted, and replies are drafted in your voice before you open them. Comment privately with your team, get Slack alerts, and give the AI context from your tools.