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Best Open Source Gmail Alternatives

Find the best alternatives to Gmail that are open source and free to use/self-hostable.

Favicon of Gmail website

Gmail

A free email service developed by Google, offering secure webmail, POP3, IMAP access, spam filtration, and organizational tools since 2004.

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InboxZero

Open source email app to reach inbox zero fast.

  • Stars

    1,981

  • Forks

    158

  • Last commit

    2 days ago
Favicon of UnInbox website

UnInbox

Modern email for teams and professionals. A replacement for outdated email technology and tools.

  • Stars

    1,131

  • Forks

    77

  • Last commit

    18 hours ago
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