Alternatives to NeutronMail for all platforms with any license

Platforms

Desktop

Mobile

Tablet

Web / Online

Development

  • ProtonMail icon

    ProtonMail

    Secure email with absolutely no compromises, brought to you by MIT and CERN scientists. Swiss Based ProtonMail is incorporated in Switzerland and our servers are located in Switzerland. We are outside of US and EU jurisdiction...

    Open Source Web / Cloud Android iPhone iPad

  • Mailpile icon

    Mailpile

    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded by a large community of backers and all code related to the project is and will be released under an...

    Open Source Self-Hosted Mac Windows Linux Web / Cloud

  • Tutanota icon

    Tutanota

    Tutanota is a free and open source web-mail client that focuses on privacy. There's also an Android and an iOS app. All data is stored encrypted and can not be searched, i.e. for commercial usage. It offers dead easy end-to-end...

    Open Source Web / Cloud Android iPhone iPad

  • Rainloop icon

    Rainloop

    Simple, modern & fast web-based email client. Modest system requirements, decent performance, simple installation and upgrade, no database required. All these make RainLoop Webmail a perfect choice for your email solution.

    Open Source Self-Hosted JavaScript PHP

  • Squirrelmail icon

    Squirrelmail

    SquirrelMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in pure HTML 4.0 (with no JavaScript required) for maximum compatibility...

    Open Source Self-Hosted PHP

  • Webmail Lite icon

    Webmail Lite

    Open Source WebMail Lite is a free community edition of full-featured WebMail Pro server application intended for users who need a clean and simple web mail application, which is fast and easy to use. Whether you need a free web...

    Open Source Self-Hosted Web / Cloud

  • Modoboa icon

    Modoboa

    Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface . It provides useful components such as an administration panel or a webmail. Modoboa is a modular tool. You can use only the...

    Open Source Self-Hosted Linux

  • Cypht

    All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail. Cypht does not replace your existing accounts - it combines them into one. And it's also a news reader :).

    Open Source Self-Hosted

  • Invmail icon

    Invmail

    Secure, zero-knowledge, end-to-end communications platform, offering facilities such as e-mail, video/voice calling, and a messaging service.

    Free Personal Web / Cloud

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