ejabberd-mod-log-chat 0.2018.12.10~dfsg0-3 (armhf binary) in ubuntu eoan

 mod_log_chat is an ejabberd module aimed at logging chat messages in
 text files. mod_log_chat creates one file per couple of chatters and
 per day (it doesn't log muc messages, use mod_muc_log for this).
 .
 It can store messages in plain text or HTML format.