Made for unique prefixes, can be controlled through a file that needs to be created (addons/amxmodx/configs/prefixcfg/Prefix_Settings.txt). "Steam ID" "Prefix" to upload a prefix into the server for the player.
One of the best admin and players friendly plugin, players can directly contact the online admin team without trying to do it through the old admin chat trick. For admins, the menu will open automatically after a player submitted a request through the cmd /support and wrote his issue.
An easier way to use the clan tag system through a .ini file. Gain access to abilities like gravity, speed etc. through a clan tag in your nickname