Top Alternatives to Email.biz

Microsoft Outlook is a comprehensive personal information manager designed for managing email, contacts, calendars, and tasks.

ProtonMail is a leading secure email service utilizing end-to-end encryption and zero-access architecture to protect user privacy. Developed by scientists at CERN, it offers a robust and user-friendly platform for sending and receiving confidential communications.

Apple Mail is the default email client for macOS, iOS, and watchOS, offering a seamless and integrated email experience across Apple devices with features like rich text editing, multiple account support, and robust organization tools.

Tutanota is a leading open-source email service offering robust end-to-end encryption and enhanced privacy. It provides a secure platform for communication and calendar management, accessible via web and dedicated applications.

Evolution is a comprehensive personal information manager for the GNOME desktop environment, designed to manage emails, contacts, calendars, and tasks. It provides a unified interface for various communication and organizational needs.

Postbox is a powerful and customizable email client designed for professionals managing high volumes of email. It offers robust features for organizing, searching, and managing multiple accounts efficiently, enhancing productivity through a clean interface and advanced tools.

Claws Mail is a powerful yet lightweight, open-source email and news client built on GTK+. It's known for its speed, stability, rich feature set, and high degree of customization, making it an excellent choice for users demanding control and efficiency.

Geary is a modern email client designed for the GNOME desktop, emphasizing a conversational view for streamlined email management. It offers a clean interface, supports multiple accounts, and integrates with the GNOME environment to provide a cohesive user experience for organizing and sending emails.

Zoho Mail is a secure and private email hosting service for both individuals and businesses, offering custom domains, ample storage, and integration with the Zoho suite of productivity tools. It prioritizes user privacy with strong encryption and a strict no-ads policy, providing a professional and reliable communication platform.

Airmail is a powerful and lightning-fast email client designed for macOS and iOS. It aims to provide a clean, modern interface with advanced features for managing multiple email accounts efficiently.

The Bat! is a secure and powerful email client for Windows designed for users who prioritize privacy, speed, and efficient email management, especially for handling large mail volumes.

Sylpheed is a free and open-source email and news client known for its lightweight design and speed, focusing on usability and efficient handling of large email collections without burdening system resources.

Mutt is a highly configurable, text-based email client for Unix-like systems. It offers powerful features for advanced users who prefer a lightweight and efficient email management experience directly from the command line.

FastMail is a premium, privacy-focused email service offering secure and reliable communication for individuals and businesses. Known for its speed, lack of advertising, and strong commitment to user privacy, it provides a clean and efficient alternative to free, ad-supported email platforms.

Zimbra Desktop provides a unified interface for managing multiple email accounts, calendars, tasks, and contacts offline. It supports various protocols like IMAP, POP, CalDAV, and CardDAV, offering a comprehensive personal information management solution.

OpenProject is a powerful, web-based open-source project management software designed for teams of all sizes. It offers comprehensive tools for managing projects, tasks, teams, and communication in one centralized platform. Ideal for organizations prioritizing collaboration, flexibility, and data control.

Kontact is a comprehensive personal information management suite from KDE combining email, contacts, calendar, tasks, and news in one integrated application. It offers robust synchronization options and supports various protocols.

Mailvelope is a free and open-source browser extension for Chrome and Firefox that brings end-to-end encryption to your existing webmail services using the OpenPGP standard. It allows users to encrypt, decrypt, and digitally sign emails directly within their web browser, enhancing privacy and security without requiring a change in email provider.

Hushmail is a secure, encrypted email service designed for privacy-conscious individuals and organizations. Offering end-to-end encryption and robust security features, it provides a safe alternative to many standard email providers.

Posteo is a privacy-focused, secure email service based in Germany, offering paid accounts with strong encryption and transparency features. It emphasizes user data protection and operates on a green energy infrastructure.

Mailfence is a secure, privacy-focused email service that provides end-to-end encryption and digital signatures using OpenPGP. It also includes a fully integrated suite of office tools like Calendar, Documents, and Contacts, all protected by strong security features.

Polymail is an advanced email client for macOS and iOS, built to enhance productivity for professionals using Gmail. It goes beyond basic email functions with robust features like email tracking, scheduling, and team collaboration tools, all wrapped in a sleek and intuitive interface.

Microsoft Mail and Calendar is the default email and calendar client included with Windows, providing integrated tools to manage your communications and schedule.

WorkSpace by Infomaniak is a comprehensive collaborative suite designed specifically for SMEs. It bundles essential tools like webmail, calendar, contacts, and cloud storage into a secure, integrated platform.

iRedMail is a comprehensive, free, and open-source mail server solution designed for ease of deployment and maintenance. It bundles popular components like Postfix, Dovecot, and Roundcube, providing robust email, calendar, and contact management capabilities.

Soverin offers a secure and private suite of tools, combining encrypted email, a user-friendly website builder, and integrated organizational features, all centered around protecting user data and providing a comprehensive online presence.