Best OpenChange Alternatives (33)

Nextcloud Hub

Open Source

Nextcloud Hub is an open source, self-hosted file sharing and communication platform. It provides file storage, sync, and share capabilities, …

HyperOffice Email Service

HyperOffice Email Service is a business email hosting platform that provides enterprise-grade email accounts, calendars, contacts, tasks, notes, and other …

Alinto

Open Source

Alinto is an open-source alternative to Trello for task and project management. It allows users to create boards, lists, and …

Zimbra Collaboration Suite

Open Source

Zimbra Collaboration Suite is an open source email and collaboration platform. It includes email, contacts, calendar, document management, and other …

grommunio

Open Source

Grommunio is an open-source, self-hosted alternative to Discord. It provides text, voice, and video chat in a modern interface with …

Axigen

Axigen is an email server software that allows organizations to host their own email services. It supports all standard email …

Kopano

Open Source

Kopano is an open-source groupware suite that provides email, calendaring, contacts, tasks and file sharing. It is designed as an …

Emails

An email service that focuses on privacy and security while still being easy to use. Offers robust spam filtering, aliases …

CrossBox

Open Source

CrossBox is an open-source web application testing tool that allows you to test web apps across multiple browsers and platforms. …

Poste.io

Open Source

Poste.io is an open-source newsletter service that allows users to easily create, send, and manage email newsletters. It has a …

SecuraNET Mail Server

SecuraNET Mail Server is an email server software designed for enterprises and organizations. It provides robust email hosting and management …

SMBMail

SMBMail is an email server software designed for small and medium-sized businesses. It is easy to install, has a simple …

Mercury Mail Transport System

Open Source

Mercury Mail Transport System is an open-source mail transfer agent used for routing and delivering email across networks or the …

OBM

Open Source

OBM (Open Business Management) is an open-source alternative to proprietary business management software suites like SAP or Oracle. It provides …

Microsoft Exchange Server

Microsoft Exchange Server is an email and calendar server software developed by Microsoft. It allows enterprises to host business email, …

iRedMail

Open Source

iRedMail is an open-source email server solution that integrates Postfix, Dovecot, Amavisd-new, SpamAssassin, ClamAV antivirus, Roundcube webmail, OpenLDAP, and Fail2Ban. …

Apache James

Free

Apache James is an open source Java Apache Mail Enterprise Server. It is a full-featured enterprise mail server that integrates …

hMail Server

Open Source

hMail Server is an open-source email server for Microsoft Windows. It allows you to send and receive email using POP3, …

Expanding Communication

Expanding Communication is a software that helps improve communication skills for individuals with autism or other developmental disabilities. It uses …

Zarafa

Open Source

Zarafa is an open source groupware suite that includes email, calendars, contacts, tasks and more. It aims to be a …

Mailsite

Mailsite is an email marketing software that allows you to create, send, and track email newsletters and campaigns. It includes …