Email Server Apps and Services

OX Open-Xchange is a comprehensive web-based suite designed for communication, collaboration, and office productivity, offering features like email, calendaring, task management, and document sharing, seamlessly integrating across devices.

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.

MDaemon Messaging Server is a comprehensive email server solution designed for businesses of all sizes. Offering robust security, flexible deployment options, and integrated collaboration tools, it provides a powerful alternative to cloud-based email services.

Dovecot is a leading open-source IMAP and POP3 email server renowned for its strong focus on security, reliability, and performance. It provides a robust foundation for managing email storage and access on Linux/UNIX-like systems, catering to individuals and large organizations alike.

hMailServer is a robust and free open-source email server designed for Microsoft Windows environments. It provides comprehensive support for standard email protocols like POP3, IMAP, and SMTP, making it a versatile solution for both small businesses and individual users needing a self-hosted mail service.

Kopano is a versatile open-source groupware suite offering email, calendaring, contacts, and online collaboration tools for businesses and organizations. It provides flexible deployment options, including on-premises and hosted solutions, with strong focus on data privacy and security.

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.

OX Open-Xchange is a comprehensive web-based suite designed for communication, collaboration, and office productivity, offering features like email, calendaring, task management, and document sharing, seamlessly integrating across devices.

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.

MDaemon Messaging Server is a comprehensive email server solution designed for businesses of all sizes. Offering robust security, flexible deployment options, and integrated collaboration tools, it provides a powerful alternative to cloud-based email services.

Dovecot is a leading open-source IMAP and POP3 email server renowned for its strong focus on security, reliability, and performance. It provides a robust foundation for managing email storage and access on Linux/UNIX-like systems, catering to individuals and large organizations alike.

hMailServer is a robust and free open-source email server designed for Microsoft Windows environments. It provides comprehensive support for standard email protocols like POP3, IMAP, and SMTP, making it a versatile solution for both small businesses and individual users needing a self-hosted mail service.

Kopano is a versatile open-source groupware suite offering email, calendaring, contacts, and online collaboration tools for businesses and organizations. It provides flexible deployment options, including on-premises and hosted solutions, with strong focus on data privacy and security.

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.