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.
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Free Zentyal AlternativesTop Mail Servers and other similar apps like Zentyal
The best free alternative to Zentyal is ClearOS, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Zentyal and 16 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to Zentyal are Ubuntu Server, NethServer, Univention Corporate Server (UCS) and Turnkey Linux.
Alternatives list
186 Ubuntu Server alternativesThe 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.
11 NethServer alternativesNethServer 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.
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UCS is an open platform for central identity & access management, IT management, and active directory, with a web portal for easy access to applications.
Cost / License
- Freemium
- Open Source (AGPL-3.0)
Application types
Platforms
- Online
- Software as a Service (SaaS)
- Self-Hosted
- Kubernetes
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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.
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 ...
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux
- Self-Hosted
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9 SME Server alternativesSME 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.
It's an active directory replacement built on CentOS + Samaba4. Includes support for Directory, DNS, DCHP, and NTP type services.
Cost / License
- Free
- Open Source
Platforms
- Linux
- Self-Hosted
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15 OpenLDAP alternativesOpenLDAP Software is an open source implementation of the Lightweight Directory Access Protocol.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Linux
- BSD
The Amahi Home Server is designed for home and small office environments where the technical support staff do not want the job!
Linux based gateway for SMB with accent on security. With easy to use web-based configuration tool. With lots of additional features like mail server, VPN server, traffic shaping, DPI, traffic antivirus and etc.
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Ubuntu Server GUI provides an easy to use set of server management tools designed for Ubuntu Servers.
Cost / License
- Free
- Open Source
Alerts
- Discontinued
Platforms
- Online
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Thailand
They both provide the same functions...I use them both