Mailspring Libre

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Version 1.8.0-libre from February 21, 2021.
Builds available for macOS, Linux, and Windows.

Mailspring Libre from Foundry376's Mailspring is a email client that is fast, free and beautiful. This Libre build comes with no telemetry at all, and is still filled with powerful features you will love, like Unified Inbox, Snooze, Send Later, Mail Rules, Templates and more!


Mailspring Libre comes completely free of charge. No plans, no upgrades, no money.


Free as in freedom. UI and app licensed under the GPLv3.


All telemetry is disabled. No centralized server is needed.


Mailspring is beautiful and functional. Themes and plugins allow for limitless customization.


Mailspring Libre uses Electron to work across all major platforms: macOS, Linux, and Windows.


The sync engine, MailSync, is proprietary, and while we're working on replacing it, it probably won't happen anytime soon.