iRedMail Alternatives for Online

mail.com is a comprehensive web portal and email service provider, offering a robust webmail platform alongside news, entertainment, and cloud storage features, catering to users seeking a blend of communication and online utility tools.

Zimbra Collaboration Suite is a comprehensive open source email and collaboration platform designed for businesses. It provides a secure and feature-rich environment for email, calendaring, contacts, tasks, and file sharing, supporting on-premises and cloud deployments.

Horde Groupware is a free, web-based suite of applications designed for collaboration and productivity. Built on the robust Horde framework, it offers a comprehensive set of tools including webmail, calendar, task management, and note-taking, providing an integrated platform for individuals and teams.

Autistici / Inventati is a platform dedicated to providing secure and private digital tools primarily for activists, social movements, and collectives globally. It offers a suite of services including encrypted webmail, web hosting, and anonymity tools, emphasizing user privacy and self-defense against surveillance.

Feng Office is a robust open-source web-based platform designed to enhance team collaboration and productivity. It integrates project management, task tracking, document management, and CRM capabilities into a single solution, catering to businesses of various sizes.

Zarafa is an open-source groupware and email server platform, providing powerful collaborative features similar to Microsoft Exchange but with flexibility and cost advantages. It offers email, calendaring, contacts, and task management.