Sent – A unified API for sending messages across SMS, RCS, and apps like WhatsApp.

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Open Source Email Clients using GitHub

A curated collection of the best open source desktop or web applications for managing email. using GitHub.

UnInbox

Transform team email into efficient collaborative workflows

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1,719
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128
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2 months ago

Streamline team communication with shared inboxes, unlimited email addresses, and customizable workflows. Perfect for modern businesses seeking organized email management.

Open Source Alternative to:

Microsoft Teams

Twake Mail

Secure open source email with advanced encryption & AI

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608
Forks
120
Last commit
6 hours ago

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

Open Source Alternative to:

Gmail

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