The Best 21 Squirrelmail Alternatives

  • Mailpile icon

    Mailpile

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

    Free Open Source Mac OS X Windows Linux Web Self-Hosted OpenPGP

  • 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.

    Free Open Source Self-Hosted Cloudron PHP JavaScript

  • Horde icon

    Horde

    Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks and notes with the standards compliant components from the Horde Project.

    Free Open Source Web Self-Hosted

  • Soverin icon

    Soverin

    Soverin is an independent private company based in Amsterdam, run by a team of internet enthusiasts who want to create great products that are safe, beautiful and easy to use.

    Commercial Web

  • 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.

    Free Open Source Web Self-Hosted

  • CacoCloud icon

    CacoCloud

    A simple, fast and secure PHP/AngularJS based single user feed and mail reader, password and bookmark manager. CacoCloud is divided into a RESTful PHP backend storing all data into a SQLite database and an SPA frontend based on AngularJs. .

    Free Open Source Self-Hosted AngularJS

  • NeutronMail icon

    NeutronMail

    self-hosted server for the protonmail client.

    Free Open Source Web Self-Hosted

  • NaSMail icon

    NaSMail

    NaSMail 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 HTML 4.01...

    Free Open Source Web

  • nvlope icon

    nvlope

    Simple and minimal email with custom domain and own API.

    Commercial Mac OS X Windows Linux

  • NOCC icon

    NOCC

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

    Free Open Source Web

  • NeoMail icon

    NeoMail

    NeoMail is a web-based mail client that allows users to access their mail spools and send messages. It does not require a POP3 server, or any shell access for the users. It interfaces directly with user mail spools.

    Free Open Source Web

  • phlyMail icon

    phlyMail

    phlyMail is an advanced webmail and groupware solution featuring unlimited profiles, multiple users, a calendar, contacts list and much more

    Freemium Web

  • Mr. Mail icon

    Mr. Mail

    MrMail offers flexible Zimbra Hosting packages suitable for everyone, from single home user to a large company (SME) at superb prices and the best support in the...

    Commercial Web

  • Postaci icon

    Postaci

    Postaci (Turkish for Postman) is multiplatform Webmail software which is database independent, multilanguage, POP3/IMAP, and fully MIME-compatible. While using POP3 mode...

    Free Open Source Linux