panel

AcePanel is a server control panel for Linux that manages Nginx, PHP, MySQL, PostgreSQL, Redis, FTP, and SSL certs through a clean browser UI. One curl command to install, single Go binary, runs on basically nothing in terms of resources. The developers explicitly committed to permanently free with no paid tier ever.

Installation takes under five minutes on a clean Ubuntu, Debian, or CentOS box. It handles the Nginx configs, database management, FTP accounts, and Let's Encrypt certs that you'd otherwise be writing config files for by hand. Supports both amd64 and arm64, so Raspberry Pi setups work too.

Solo developers running a VPS get the full cPanel experience for $0. Small teams managing a handful of web servers get a unified control plane without per-server licensing. There is no paid tier to upgrade to because there isn't one.

The catch: documentation is primarily in Chinese. The community is smaller than competitors like HestiaCP or Webmin, and the maintainer team looks small. If you need English-first docs and a large plugin ecosystem, look at HestiaCP instead.