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Top 20 open-source products relevant to Email

Showing 20 of 105+ results. Refine your search or use the filters to narrow down the products.

  1. Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues.

    Open Source

    /spark-mail-alternatives

  2. Get your encrypted mailbox for free.

    Open Source

    /tutanota-alternatives

  3. Receive and send emails anonymously. Create a unique email address for each website to avoid cross-site tracking and protect your inbox from spam, phishing and data breaches.

    Open Source freemium $2.99 / Monthly (Premium)

    /simplelogin-alternatives

  4. A simple calendar with events (optional recurring and reminders), week numbers and a customizable...

    Open Source

    /simple-calendar-alternatives

  5. Mailspring is a mail client for Mac, Windows and Linux.

    Open Source

    /mailspring-alternatives

  6. Keep your email safe from hackers & trackers... .

    Open Source

    /firefox-relay-alternatives

  7. Guerrilla Mail is a web-based app that provides a disposable and anonymous email address. Users of the service are not required to set up an account in order to send or receive emails.

    Open Source

    /guerrilla-mail-alternatives

  8. Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.

    Open Source

    /mail-in-a-box-alternatives

  9. An open source mailserver suite.

    Open Source

    /mailcow-alternatives

  10. Fake Mail Generator is the provider of free and temporary email addresses that you can use just like original one.

    Open Source

    /fake-mail-generator-alternatives

  11. Web-based IMAP email client.

    Open Source

    /roundcube-alternatives

  12. A fully fledged, free email server solution, an open source project (GPL v2).

    Open Source

    /iredmail-alternatives

  13. Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.

    Open Source

    /mailpile-alternatives

  14. Open source, privacy friendly email app.

    Open Source

    /fairemail-alternatives

  15. Privacy, simplified. Available on all major platforms.

    Open Source

    /duckduckgo-privacy-app-and-extension-alternatives

  16. Email Delivery Platform that delivers just in time.
 Great for businesses and individuals. .

    Open Source freemium

    /mailtrap-alternatives

  17. RainLoop is a web based email client.

    Open Source

    /rainloop-alternatives

  18. KingSMTP is a Transactional SMTP service.

    Open Source paid Free Trial $5.0 / Monthly

    /kingsmtp-alternatives

  19. An email client that works like a kanban board.

    Open Source paid Free Trial $45.0 / One-off (Limited time v1 license)

    /kanmail-alternatives

  20. Use this program to "Unspam" your mailbox(es).

    Open Source

    /spamassassin-alternatives

Products list improvements

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