Skip to content
THE OPEN ALTERNATIVE
Esc
navigateopen⌘Jpreview

4 Best Open Source Superhuman Mail Alternatives

A curated collection of the 4 best open source and self-hosted alternatives to Superhuman Mail in 2026.

Looking for a free, privacy-friendly, or self-hosted replacement for Superhuman Mail in 2026? The top open-source alternative is Macro Mail — An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows..

Other highly rated open-source Superhuman Mail alternatives include Inbox Zero, Tuta and Twake Mail.

4,064

An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows.

Macro Mail preview

An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows.

12,094

Automates Gmail and Outlook with AI-drafted replies, bulk unsubscribe, cold email blocking, attachment filing, and inbox analytics for individuals and teams.

Inbox Zero preview

Automates Gmail and Outlook with AI-drafted replies, bulk unsubscribe, cold email blocking, attachment filing, and inbox analytics for individuals and teams.

7,875

Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.

Tuta preview

Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.

648

Open source professional email solution with PGP encryption, JMAP protocol, AI-powered responses, and advanced antispam protection. Control your data privately.

Twake Mail preview

Open source professional email solution with PGP encryption, JMAP protocol, AI-powered responses, and advanced antispam protection. Control your data privately.

About Superhuman Mail

A keyboard-driven email client built for speed, with AI triage, split inbox, read statuses, and snooze features designed to help high-volume email users reach inbox zero faster.