Sympl is comprised of a number of packages, these are:
This is the core package for Sympl, and handles the Message Of The Day, as well as the libraries and core utilities.
Installs and configures the Apache web server.
Installs and configures Pure-FTPd which provides FTP access for domains.
Installs and configures Exim and Dovecot, which transfer email and handle mailboxes respectively.
Installs and configures Roundcube, which provides a web interface for local email accounts.
Installs and configures the MariaDB database (which is a drop-in replacement for MySQL).
Installs and configures phpMyAdmin, a web interface for MariaDB.
Generates DNS zone files in 'TinyDNS' format. Sympl versions 9.1 and 10.1 will include automatic DNS uploading via OctoDNS.
A system monitor which ensures the installed services are up and running, and restarts them if they fail.
Handles per-domain cron jobs.
Manages the iptables firewall for the server, based on the contents of /etc/sympl/firewall.
Installs and configures backup2l, an easy to use backup utility.
Installs and configures unattended-upgrades which automatically installs security updates and updates to Sympl.
An Apache module which is used by the Mass Hosting configuration to redirect traffic to the relevant site without individual apache configurations.
Other than the dependencies, a number of other suggested packages are also instaled by Sympl by default, such as Vim and htop.