Player Lister
This mod does exactly what its name suggests - it automatically saves the list of all players to a text file. The recording frequency is 15 seconds, but you can change this interval in the settings.
The file path can also be customized to your preference. By default, data is saved to the players.txt file in the server's root directory.
This mod was created by individual commission and is designed for convenient monitoring of player activity on the server.