Alternatives to Roundcube

Rainloop

Rainloop is an open-source webmail application that provides users with a modern, intuitive, and feature-rich webmail interface for managing their emails. Rainloop is a fast, secure, and reliable mail server that provides users with a secure, convenient, and easy-to-use platform ...

PHP-based and more customizable than roundcube, more modern ui

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Mailpile

Mailpile is a free and open-source email client that provides a secure and private communication platform. It is designed to be an alternative to popular email providers like Gmail, Yahoo, and Outlook. Mailpile offers features such as end-to-end encryption, secure authentication,...

Mailpile needs to be running on a computer

Guest

Mailpile is a single-user (personal) environment.

Guest

mailcow: dockerized

Mailcow: Dockerized is an open source mail server solution based on Docker, which allows users to easily manage and deploy their own mail server. It provides a range of features to make setting up a mail server easier, including: - Automated setup of mail server components such ...

Kolab Community

Kolab Community is a free and open source collaborative workspace for businesses, organizations, and individuals to manage projects, tasks and communication. It is a comprehensive suite of tools for sharing and collaborating on documents, tasks, events, and more. It is designed t...

Horde

Horde is an open-source web-based application suite for businesses and organizations. It includes a host of applications for email, calendar, contacts, tasks, notes, and file management. It is based on PHP and using the Horde Application Framework. Horde is designed to be easy to...

iRedMail

iRedMail is an open source email server solution built on top of the popular open source server software Linux, OpenLDAP, and Postfix. It provides a complete and secure email server solution with support for SMTP, POP3, IMAP, webmail, anti-virus and anti-spam protection, and adva...

Squirrelmail

Squirrelmail is an open-source web-based email client written in PHP. It is designed to provide users with a simple and intuitive interface to access their email accounts from a web browser. Squirrelmail is a popular choice among webmasters looking to provide their users with the...

Zimbra Collaboration Suite

Zimbra Collaboration Suite (ZCS) is a comprehensive collaboration platform designed to help organizations and individuals communicate, store and collaborate online. ZCS includes a suite of applications and services, including email, calendar, contacts, tasks, file sharing, chat, ...

hMail Server

hMail Server is a free, open-source email server software for Windows and Linux. It is used to set up and manage email accounts and mailboxes on a server. It supports the most popular mail protocols such as IMAP, POP3 and SMTP for sending and receiving emails, as well as allowing...

Mail-in-a-box

Mail-in-a-box is an open-source application that provides a simple, secure, and comprehensive way of setting up your own private email server. It is designed to be a one-stop shop for setting up a full email server stack on your own server. It automates the setup of several compo...

NeutronMail

NeutronMail is a secure and user-friendly email service that provides strong encryption capabilities to protect the privacy of your emails. It is designed to give users a secure way to communicate online, with end-to-end encryption to keep your emails private and secure. With Neu...

Discontinued No longer supported

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Webmail Lite

Webmail Lite is an online office and productivity tool that allows users to manage their email accounts from any computer or mobile device with an internet connection. It is a web-based email service that allows users to access their emails, contacts, calendars, tasks, and other ...

Isotope Mail Client

Isotope Mail Client is a modern and powerful email client that provides a fast and secure way to manage all of your email accounts. It supports all popular email providers, including Gmail, Microsoft Exchange, Yahoo Mail, iCloud, AOL and many more. It also provides a powerful sea...

CacoCloud

CacoCloud is an interactive news and book platform that is designed to bring the world of news and books together in one place. With CacoCloud, users can read, search, and browse through a wide range of topics, from current events and news to books about various topics, such as p...

Discontinued The project is no longer being developed. The latest version, 0.1.1, released in February 2015, can still be downloaded from the official website.

Guest

Modoboa

Modoboa is an open source mail hosting and management platform. It is designed to be easy to use and offers a complete solution for managing email accounts, domains, and aliases. With Modoboa, administrators can easily manage mailboxes and domains, as well as configure mail filte...

OX Open-Xchange

OX Open-Xchange is an online productivity suite that allows users to access and edit documents, spreadsheets, and presentations in an online environment. It also provides collaboration tools such as task and calendar management, email and instant messaging, and file sharing. The ...

Cypht

Cypht is an open source web-based email client and productivity suite. It includes a suite of powerful email features such as IMAP, POP3, SMTP, SSL, TLS, and much more. It is designed to make email and other online communication fast, secure, and easy to use. With its robust feat...

NaSMail

NaSMail is an open source web-based email application written in PHP and developed by NaS Solutions. It is designed to provide a secure and user-friendly interface for managing multiple mailboxes, as well as providing a versatile set of features such as email sorting, filtering, ...

Turing Email

Turing Email is a cloud-based email application designed to help users easily manage their email accounts in one convenient platform. It offers a unique and modern user interface that is intuitive and easy to use. It also includes rich productivity features such as calendar integ...

Postaci

Postaci is a cloud-based task and project management platform that helps users stay organized and productive. It enables users to keep track of tasks, monitor progress, set deadlines, and assign tasks to team members. It also allows users to collaborate in real-time, share docume...

Roundcube

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Alternatives