Add gopher://magical.fish and gopher://i-logout.cz:70/1/bongusta
Can´t be more frugal than that. Add irc on top, and maybe some usenet client.
I haven't really taken the time to explore the gopherspace, nor install a client. Did this now; thanks for the links!
http://ranprieur.com/ -- Ran Prieur. Frugality, societal collapse, "dropping out", and beyond. Has been constantly blogging for ages; it's really interesting to see how his views have changed in time.
http://joeyh.name/ -- Joey Hess, former long-time Debian developer, author of git-annex. Frugal living and computing in the wilderness (he used to do everything on a 9-inch Dell Mini 9).
https://datagubbe.se/ -- Carl Svensson. Great long-form essays on frugal computing and, uh, what has gone wrong after 1994 or so.
http://len.falken.ink/ -- I just really like the "layout", even if it feels a little pretentious to some. IIRC, his essay "Writing for the Internet across a Human Lifetime" also had some feedback on HN.
http://viznut.fi/en/ -- Viznut. Demoscene, "low-end technical extremism", permacomputing. Updates are rare, but the older pieces are well worth a read.