Alternatives to InboxCube for all platforms with any license

  • Gmail icon


    Gmail is a free search-based web-mail service. It offers a full featured web-based email client with search capabilities, a mailbox...

    Free Personal Web / Cloud Android iPhone Chrome OS Android Tablet iPad ... Android Wear Kindle Fire

  • ProtonMail icon


    Secure email with absolutely no compromises, brought to you by MIT and CERN scientists. Swiss Based ProtonMail is incorporated in...

    Open Source Web / Cloud Android iPhone iPad

  • Inbox by Gmail icon

    Inbox by Gmail

    Built on everything that we've learned from Gmail, Inbox is a fresh start that goes beyond email to help you get back to what...

    Free Web / Cloud Android iPhone Chrome OS iPad Chrome

  • Mailpile icon


    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded...

    Open Source Mac Windows Linux Web / Cloud Self-Hosted

  • Roundcube icon


    Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality...

    Open Source Self-Hosted PHP

  • Tutanota icon


    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...

    Open Source Web / Cloud Android iPhone iPad

  • Yahoo! Mail icon

    Yahoo! Mail

    Web-mail with a terabyte of free storage space & spam protection. Yahoo! Mail offers grouped conversations, themes, powerful...

    Free Windows Web / Cloud Android iPhone Windows RT iPad ... Kindle Fire

  • Yandex.Mail icon


    Yandex.Mail is a free email service that is also one of the most popular mail services in Russia. Yandex.Mail offers free unlimited...

    Free Web / Cloud Windows Mobile Android iPhone Java Mobile S60

  • Zoho Mail icon

    Zoho Mail

    Zoho Mail is a webmail service built with the needs of a modern business in mind. It provides features for business users to...

    Freemium Web / Cloud Android iPhone

  • OpenMailBox icon


    Our online solution offers free e-mail address hosting for a wide public in search of a high quality service inspired by a free...

    Free Web / Cloud

  • FastMail icon


    Email, calendars, and contacts to highest standards of security, privacy and reliability.

    Commercial Web / Cloud Android iPhone Android Tablet iPad

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  • Riseup icon


    Riseup is an organization which provides online communication tools for people and groups working on liberatory social change. To...

    Free Web / Cloud

  • Autistici  / Inventati icon

    Autistici / Inventati

    A/I provides tools for anonymous communication and sharing. We recommend to use our services along with some specific personal privacy...

    Free Web / Cloud

  • GMX icon


    GMX Mail is a German-based free webmail service provided by GMX (Global Mail Exchange). In addition to an e-mail address, each GMX...

    Free Web / Cloud

  • Horde icon


    Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks...

    Open Source Web / Cloud

  • 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...

    Open Source Web / Cloud Self-Hosted

  • icon provides its users with an customized selection of unique domains to pair with their desired address at no cost. Users can...

    Free Web / Cloud

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  • AOL Mail icon

    AOL Mail

    FREE e-mail account with IMAP, spam and virus protection with UNLIMITED storage (GMail max. 7.3 GB). Because of this AOL WebMail is...

    Free Web / Cloud

  • icon offers a secure e-mail account for home and business use. The domain name,, is easy to remember and can be...

    Commercial Web / Cloud Windows Mobile Android iPhone Android Tablet iPad ... Kindle Fire

  • Hushmail icon


    Hushmail is a commercial email service focusing on security with features such as industry-standard OpenPGP encryption and two-step...

    Commercial Web / Cloud iPhone iPad

  • TypeApp icon


    TypeApp is an all-free, beautifully designed, universal email app, capable of managing unlimited number of mail accounts from various...

    Free Personal Android iPhone Android Tablet iPad Android Wear Kindle Fire

  • Mailfence icon


    Mailfence provides a secure and private Email solution that value and respect your online privacy. State of the art security...

    Freemium Web / Cloud

  • NaSMail icon


    NaSMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols...

    Open Source Web / Cloud

  • Virtual office

    Free Web / Cloud

  • Atmail Email Server icon

    Atmail Email Server

    Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows. ...

    Commercial Linux Web / Cloud

  • NOCC

    NOCC is a webmail client written in PHP. It provides webmail access to IMAP and POP3 accounts.

    Open Source Web / Cloud

  • Posteo icon


    Web- and IMAP-based email service. 2GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable...

    Commercial Web / Cloud

  • Neomailbox

    Neomailbox has been providing secure and reliable email and private surfing services for over 10 years, enabling thousands of...

    Commercial Web / Cloud

  • nvlope icon

    nvlope Discontinued

    Simple and minimal email with custom domain and own API.

    Commercial Mac Windows Linux

  • SCRYPTmail icon


    SCRYPTmail is true end-to-end encrypted email service. Email and meta data, i.e sender / recipient are encrypted when you communicate...

    Freemium Web / Cloud

  • GeekInbox icon


    Geekinbox is an email as a service platform that includes an ajax powered webmail interface. Free Plans Available

    Freemium Web / Cloud

  • runbox icon


    Runbox provides secure email communication with Perfect Forward Secrecy SSL connections, Extended Validation, and options for PGP...

    Commercial Web / Cloud

  • Fripost icon


    Fripost – the Free Email Association. Fripost organize the people who want an alternative to "free" e-mail services where...

    Open Source Web / Cloud

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