Extremely simple web page editor, no PHP knowledge is needed but you can use it if you want.
Only needs php web server with mysql/mariadb connection
Copy all files to your web server, making index.php your initial page. When ready open the "/admin" page. Default user is "Admin" and password "Admin3" (both with no quotes) Change admin password to your one, or create a new admin user.
Open page in editor mode. Add different modules to the web. Options to customize PHP files or CSS are present.