Want a better Minecraft server? Read about SpigotMC here!
Separate names with a comma.
Essentials TeamCity stopped getting updates after 1.8. Try using a 1.8.8 version of EssentialsX.
The "asadmin topten" command puts the list in chat if I remember correctly.
It's most likely custom. If you need a plugin though, this wouldn't be the place to get it.
In the future, if you need Skript help, try asking on SkUnity, they're better at this sort of stuff than a lot of people looking to help people...
No there isn't any, that's what we're asking.
Just don't give them the permission.
Quick question, do you have any paid plugins?
Alright, I've PM'd it to you :D