Description: Apache James is an open source Java Apache Mail Enterprise Server. It is a full-featured enterprise mail server that integrates mail, calendaring and contacts with web applications. It is fast, scalable and offers easy administration.
Type: software
Pricing: Free
Description: Nextcloud Hub is an open source, self-hosted file sharing and communication platform. It provides file storage, sync, and share capabilities, as well as messaging, online document editing, calendar/contacts, and more. Useful for organizations looking for on-premises alternatives to things like Dropbox, Office 365, or G Suite.
Type: software
Pricing: Open Source