Anope is your networks services.
Below is a list of functions (with links to commands) and brief reasons why to run them:-
Botserv gives you channel services bots that are named what you want to name them as you make them.
Hostserv gives you the means to set vhosts on your network & remembers them in its logs.
Memoserv gives you the functions to leave messages for other nicks even if offline.
Operserv is where you add your admins & netadmins so they can use services functions.
Chanserv lets you register channels to nicks & set powers in each channel.
Nickserv lets you register your nick & identify.