By default inetutils* it is not installed in Debian or Ubuntu.
The alternative to inetd may be xinetd or rlinetd. as the definition of the package say: replacement for inetd with many enhancements
rsyslog provide the rsyslogd (/usr/sbin/rsyslogd)
The rsyslog come with the rsyslog.service, it is enabled by default.
To answer the comment:
bsdutils provide logger (/usr/bin/logger)
openbsd-inetd provide the inetd.