A central who for multi-server clusters, implementing the Finger protocol as well as a web frontend. Has collectors for Linux, FreeBSD, and Windows XP/2003.
Git/Gitweb: https://git.nullroute.lt/projects/rwho.git
GitHub: grawity/rwho
Live demo: web frontend
$ rwho
USER HOST LINE FROM
grawity ember {45} (tmux)
land pts/3 2a06:e881:108:2:64e6:9d86:856:b93c
sky pts/0 2a02:7b40:50d1:hjkl::1
star {13} (tmux)
nobody ember pts/14 2001:778:e27f:0:9618:82ff:fe38:e480
star pts/9 star.nullroute.eu.org
star pts/1 78-59-7-25.static.zebra.lt