Plan 9 from User Space (aka plan9port).

Plan 9 from User Space (aka plan9port) is a port of many Plan 9 programs
from their native Plan 9 environment to Unix-like operating systems.

Sources:
The source from the info file is not hosted by github as plan9port doesn't tag
releases. You can download the zipped master branch from github if you don't
want to use the mirrored sources:
https://github.com/9fans/plan9port/archive/master.zip
There may be differences in the checksum as it is the development branch.

Notes on using rc with uxterm from Eric Lindblad,
Tested with Slackware 14.0 with Danish and English keyboards settings.

Ctrl-i	tab

Ctrl-u	delete line back to prompt

Ctrl-w	delete word to left of cursor

Ctrl-Bksp backspace, or open Menu and uncheck BackArrow Key (BS/Del)
	  then Bksp will work independently but Ctrl-Bksp will not work