WebConfig is a free open-source web server configuration management panel offering graphical management of Apache and Nginx, SSL certificates, and website configuration across major Linux distributions for budget-conscious webmasters and SMBs.
i-MSCP is a free, open-source hosting control panel led by French developers, letting one panel manage web, mail, DNS and database servers with PHP 5.6 to 8.x support. With no license fees, it suits budget-conscious small hosters and self-hosted environments.
Created by Jamie Cameron in 1997, Webmin is one of the oldest open-source Unix/Linux system administration panels, free under the BSD license with about 1,000,000 yearly installations and 1,000+ modules covering users, services, packages, and file management.
Virtualmin is an open-source virtual hosting control panel built on Webmin, created by Jamie Cameron in 2005, managing 1M+ domains with a fully featured free GPL edition and Professional from $7.50/month, an open-source alternative to cPanel.
VestaCP is an open-source lightweight hosting control panel created in 2012 under GPLv3, running on as little as 256MB RAM and bundling Nginx+Apache, DNS, mail and database management for low-spec VPS hosting.
ISPConfig is an open-source Linux hosting control panel created in 2005 by German developers Till Brehm and others, released free under the BSD license. It offers multi-server management with web, DNS, mail, and database administration in one console, a cost-effective open alternative to cPanel and Plesk.
HestiaCP is a free, open-source web hosting control panel forked from VestaCP in 2019, supporting PHP 5.6-8.3, Nginx + Apache dual engines and 50+ cloud storage backups. Lightweight and low-footprint, it suits individuals and small hosters building hosting environments on VPS.
Ajenti is an open-source Linux server management panel created in 2012 by Russian developer Eugene Pankov, MIT-licensed and free with 8k+ GitHub stars, lightweight and plugin-rich for visual administration on low-end VPS.
aaPanel is the international edition of BT Panel, founded in 2018 in Hangzhou by the Bao Wang team, free and open source with 1,000,000+ users, offering one-click LAMP/LNMP deployment and free SSL.
Sentora is a free, open-source (GPLv3) web hosting control panel, a community fork of ZPanel that manages websites, databases, DNS, and email for multiple clients from a single installation - a zero-cost option for self-hosted shared hosting.