Plesk is described as 'Manage servers, websites, and hosting with a global WebOps platform, offering centralized control, security features, and over 100 extensions' and is a popular server management tool in the development category. There are more than 50 alternatives to Plesk for a variety of platforms, including Linux, Self-Hosted, Web-based, Windows and Mac apps. The best Plesk alternative is Webmin, which is both free and Open Source. Other great apps like Plesk are 1Panel, ispmanager, cPanel and Cloudron.
Web-based admin interface for Unix-like and Windows systems provides modules for user, service, and network configuration, open source application management, security, backups, monitoring, automation, remote access, and firewall controls.
You have to get Virtualmin to get several "normal" functions. And the Pro Version costs!!
Open-source interface for efficient Linux server management, featuring host monitoring, file management, and database control. Streamlines WordPress deployment with domain and SSL setup. Offers app store, security features, backup, and restore.
Linux control panel for automating website, server, database, DNS, CMS, mail, security, and backup management, featuring file operations, Docker, VPN, granular user access, SSL, web servers, and integrated tools for developers and hosting providers.
I tested Vepp for my personal projest and really engoyed it. The panel itself installs an SSL certificate for every domain attached to Vepp!
Ples has lots of functions for experineced users, but for me a regular website owner - it is too compicated and far to expensive. ISPmanager is cheap but still complicated. Vepp in its Alpha seems to be much easier, hope it will stay that simple once it is released.
Vepp support team is so good, you may be sure that your problem (if it will take a place!) will be solved in a short time. I has an experience with Vesta and Plesk, and there all your issues are under consideration for a long long time. Support and documentation are also parts of a product.
The cPanel and WHM software package makes life easier for web hosts and the website owners they serve. It offers easy-to-use, powerful tools that perform essential tasks quickly, easily, and reliably.
Cloudron is a complete solution for managing apps & users on your own server. Easily deploy production ready apps from the app library and keep them automatically up-to-date. It even comes with a built-in email server and web clients!.
Only the free version is open source! The Pro costs!
Ajenti is a Linux & BSD modular server admin panel. Ajenti 2 provides a new interface and a better architecture, developed with Python3 and AngularJS.
Be careful!!
"Big Brother" from the FSB may be watching you!! ((
Easy to setup and a modern looking interface.
Hestia Control Panel is an open source web server control panel with an easy-to-use interface as a lightweight alternative to cPanel, Plesk, etc. Hestia It's also the continuation of the development of Vesta Control Panel.
ISPConfig 3 is an open source hosting control panel for Linux. ISPconfig 3 is capable of managing multiple servers from one control panel. ISPConfig is licensed under BSD license.
Simple Hosting Control Panel
Vesta is an open source Hosting Control Panel that is free to use under GPLv3. It provides an easy to use control panel that allows the management of websites, DNS, mail, backups, and more!.
complicated controll of domains
The most simple, powerful and beautiful host management panel, an open source alternative to OpenResty Edge, allows you to easily secure reverse proxy websites running at home or on the Internet, including access control, denial of service attack protection, automatic...
ServerPilot makes it easy to host WordPress and any other PHP sites on DigitalOcean, Linode, Rackspace, Vultr, and other cloud providers. By turning any server into an optimized PHP and WordPress hosting platform, ServerPilot makes it simple to run your sites in the best way...
Great for just provisioning space and installing wordpress, though the ssl and others are available in the premium version, it works fast out of the box.
UCS is an open platform for central identity & access management, IT management, and active directory, with a web portal for easy access to applications.
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Virtualmin from the same developer (also listed here) is much closer alternative to Plesk.