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Top WEBMAIL GitHub Repositories & Tools (2026)

Discover the most starred and trending open source tools tagged with #webmail.

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4 matching projects · updated Sep 29, 2026 How we rank ↗

#1 TRENDING maathimself/mailflow JavaScript NEW 2026

A self-hosted, unified webmail client.

◇ email ◇ emailclient ◇ unifiedinbox ◇ webmail

44 ↑ +3 today

#2 TRENDING mailez-hq/mailez Go NEW 2026

Self-hosted mail server for your own domain: SMTP/IMAP/POP3, CardDAV/CalDAV, React webmail and admin console, one-command Docker Compose.

◇ admin-console ◇ caldav ◇ carddav ◇ deltachat

19 ↑ +1 today

#3 TRENDING cypht-org/cypht PHP 2014

Cypht: Lightweight Open Source webmail aggregator [PHP, JS]. Supports IMAP/SMTP, JMAP and EWS (Exchange Web Services)

◇ atom ◇ e-mail ◇ ews ◇ imap

245 ↑ +1 today

#4 TRENDING nextcloud/mail JavaScript 2016

💌 Mail app for Nextcloud

◇ hacktoberfest ◇ horde ◇ imap ◇ nextcloud

359 ↑ +1 today

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