Websites to POP3 Support

Webmail Lite is an open-source, self-hosted webmail client designed for individuals and businesses seeking a private and customizable email solution. It offers basic email functionalities with a focus on privacy and control.

AOL Mail is a free web-based email service offering reliable communication tools, generous storage, and integrated features like calendar and cloud storage, suitable for individuals and small businesses seeking a straightforward email solution.

Microsoft Exchange Server is a robust mail and calendaring server designed for businesses of all sizes, providing enterprise-grade email, calendaring, and contact management capabilities.

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.

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.

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.

SOGo is a powerful open-source groupware server designed for scalability and simplicity. It provides a comprehensive suite of collaborative features including webmail, calendaring, contact management, and task management, with strong support for standard protocols like CalDAV and CardDAV.

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.

Kolab Now is a comprehensive, secure, and privacy-focused web-based email and groupware suite. Built entirely on free and open-source software, it offers a full range of collaborative tools including email, calendar, contacts, and document management, prioritizing user data ownership and security.

Riseup is a volunteer-run collective providing secure and private online communication and organization tools, including email, VPN, mailing lists, and file sharing services. Focused on resisting surveillance and providing alternatives to corporate services.

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.

GMX Webmail provides a reliable and feature-rich free email service. With strong privacy features, integrated cloud storage, and tools like a calendar and mail collector, it offers a comprehensive suite for managing digital communication and files.

Mailpile is a free and open-source webmail client designed with privacy and encryption as core principles. It offers a self-hostable solution for managing your email with built-in support for PGP encryption and other security features, providing an alternative to traditional webmail services.

Yandex.Mail is a robust and feature-rich free email service offering generous storage, strong privacy features, and seamless integration with other Yandex services. It provides comprehensive support for various protocols and tools for efficient email management for both personal and professional use.

Trillian is a versatile, multi-protocol instant messaging client that unifies various communication platforms like IRC, XMPP, and more into a single, user-friendly interface. It's designed for both personal and team collaboration, offering features like encrypted chats, group collaboration tools, and extensive customization options.

Outlook.com is a free, personal webmail service offered by Microsoft, providing robust email management with integrated calendar, contacts, and cloud storage.

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.

Lavabit was a highly secure, privacy-focused webmail service known for its strong encryption and commitment to user data protection, which ceased operations in 2013.