Free
Ankawi
Automatic decay notifications and a command for upkeep status in minutes
Blacklist IPs to prevent them from joining your server
GUI that shows kills, deaths, player name, and K/D Ratio
Provides scoreboards that can show kills, deaths, or kill/death ratio
Easily manage player names on your server
Automatically gives players ranks based on playtime
Suicide chat and admin commands to kill a player
Sends players welcome messages once they connect to the server