• Name: iputils
• Homepage: https://github.com/iputils/iputils
• It should be included because of the additional network diagnostic utilities that inetutils doesn't offer. Mainly arping, traceroute6 and tracepath.
• It is open source.
• Source code of the latest release is: https://github.com/iputils/iputils/archive/s20190709.tar.gz
• I anticipate that many users will use it for network diagnostics. Including everyone who wants a more decent ping command ?

Note: The information above refers to a fork of the original iputils. This fork is also tracked by (at least) Debian, Fedora and Gentoo.