Zentyal is described as 'Linux platform integrating native Active Directory, domain, mail, gateway, and infrastructure server roles with web-based management for SMB environments' and is a popular Mail Server in the online services category. There are more than 25 alternatives to Zentyal for a variety of platforms, including Linux, Windows, Self-Hosted, Web-based and Mac apps. The best Zentyal alternative is ClearOS, which is both free and Open Source. Other great apps like Zentyal are Univention Corporate Server (UCS), Ubuntu Server, NethServer and Microsoft Active Directory.
ClearOS is a family of operating systems for the enterprise, small business, and home. There are three editions to choose from depending on your needs and suitable to your abilities. They are: ClearOS Enterprise, ClearOS Home, and ClearOS Core.
United States
UCS is an open platform for central identity & access management, IT management, and active directory, with a web portal for easy access to applications.
Germany
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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.
United Kingdom
NethServer is an application manager for Linux servers. The product's main feature is the ability to easily and quickly install and manage instances of applications over multiple nodes. It allows users to deploy services, like [Nextcloud](https://alternativeto.
ItalyEU
Active Directory (AD) is a directory service that Microsoft developed for Windows domain networks and included in most Windows Server operating systems as a set of processes and services.
United States
Windows Server 2012, codenamed "Windows Server 8", is the sixth release of Windows Server. It is the server version of Windows 8 and succeeds Windows Server 2008 R2. Two pre-release versions, a developer preview and a beta version, were released during development.
United States
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.
United States
SambaBox is an enterprise directory appliance with Web based management interface. SambaBox also offers integrated domain name (DNS), dynamic computer configuration (DHCP), certificate authority (CA), Microsoft Exchange compatible and also supports up to 2016 Functional Level...
Türkiye
Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers.
United States
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 ...
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TurnKey Linux provides a super simple way to deploy open source web apps/server side applications in the cloud, VM or bare metal.
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SME Server is a leading distribution for small and medium enterprises. It stands apart from the competition by shipping with most common functionality preconfigured and features a number of popular additional enhancements in the form of downloadable contributions.
