ASCII-works by Andreas Freise (a:f), 2000-2002.

Teletext works by Wim Dewijngaert, 2023.

MZ-700 graphics made in 2008-2009 by Ugeo, who writes about each image here and here.

Ad for the Scanset XL terminal in BYTE Magazine, 1983. h/t: Tim Koch

Pr0n stuff from the Croatian teletext service NOVA ca 2015, from here.

Boulder Dash and Mighty Hunter by Worrior1, 2022. Commodore 64 directory art, which is PETSCII graphics created in filenames, with limitations in charset and colours.

US-A by John J. Sharkey, 1969. Sharkey edited Mindplay: An anthology of British concrete poetry, available at archive.org.

Algol (1970 and Textum 2 (1973) by Miroljub Todorović (Мирољуб Тодоровић), who founded the signalist movement.