SME Server AlternativesMail Servers and other similar apps like SME Server

The leading platform for scale-out computing, Ubuntu Server helps you make the most of your infrastructure. Whether you want to deploy an OpenStack cloud, a Hadoop cluster or a 50,000-node render farm, Ubuntu Server delivers the best value scale-out performance available.

Zentyal is a native Microsoft Active Directory implementation on Linux incorporating all the network services required in a small and medium business environment: Directory & Domain Server, Mail Server, Gateway and Infrastructure Server.

NethServer is a CentOS-based Linux distribution for servers. The product's main feature is a modular design which makes it simple to turn the distribution into a mail server and filter, web server, groupware, firewall, web filter, IPS/IDS or VPN server.

UCS is an open platform for central Identity & Access Management, IT Management, and Active Directory, with a web portal for easy access to applications.

Get a web based email/messaging, HTTP proxy, files server, VPN administration interface Using Postfix, Squid, Samba And extend them with Security quickly and easily How to create a Mail/Proxy/File

Linux Schools consists of Karoshi Server and Karoshi client. It is an Ubuntu LTS Server based solution especially designed for educational environments. It is a fully modular and scalable distribuition, mainly written in Bash.

Windows Server 2019 is built on the strong foundation of Windows Server 2016 – which continues to see great momentum in customer adoption.

Windows Server Essentials (formerly Windows Small Business Server) is a flexible, affordable, and easy-to-use server solution designed and priced for small businesses with up to 25 users and 50 devices.

linuxmuster.net is a comprehensive complete solution for the operation of school IT infrastructure. It is developed by teachers and service providers for the special requirements of schools. When developing our solution, we try to keep some ...