4 Best Open Source Shortwave Alternatives
A curated collection of the 4 best open source and self-hosted alternatives to Shortwave in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Shortwave 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 Shortwave alternatives include Inbox Zero, Tuta and Twake Mail.
An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows.
An AI-powered email client that combines inbox management, chat, tasks, and AI agents in one shared workspace, built for keyboard-driven workflows.
Automates Gmail and Outlook with AI-drafted replies, bulk unsubscribe, cold email blocking, attachment filing, and inbox analytics for individuals and teams.
Automates Gmail and Outlook with AI-drafted replies, bulk unsubscribe, cold email blocking, attachment filing, and inbox analytics for individuals and teams.
Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.
Tuta offers encrypted email, calendar and contacts with quantum-resistant security, protecting your privacy without ads or tracking.
Open source professional email solution with PGP encryption, JMAP protocol, AI-powered responses, and advanced antispam protection. Control your data privately.
Open source professional email solution with PGP encryption, JMAP protocol, AI-powered responses, and advanced antispam protection. Control your data privately.
About Shortwave
AI-powered email client that organizes your inbox automatically, lets you search across threads instantly, and helps you draft and summarize messages using built-in AI assistance.