rhtvision - activest one, good integration in X11, but also tightly couple
to X, we would like to see a --without-X option here to remove all the
gizmos, can go to windows

sigalatvision - the one from http://www.sigala.it/sergio/tvision/

freebsdtivison - the FreeBSD version, works completly without X, some
trouble with std::streampos, BSDisms, etc., some const char * problems

programs using tvision:
http://sourceforge.net/projects/setedit/

other tvision-like systems:
Java, Jexer, also a TUI for Java
notcurses

https://sourceforge.net/projects/twin/ (AUR:twin)