Inout Webmail
Description: Inout Webmail is a free, open-source webmail client that can be self-hosted. It has a simple, easy-to-use interface, supports multiple email accounts, contacts, calendar, and more. Good alternative for those looking to host their own webmail service.
Type: software
Pricing: Open Source
Microsoft Exchange Server
Description: Microsoft Exchange Server is an email and calendar server software developed by Microsoft. It allows enterprises to host business email, contacts, calendar, and tasks.
Type: software