https://www.piclits.com/compose_dragdrop.aspx
https://magneticpoetry.com/pages/play-online
https://twinery.org/
http://www.languageisavirus.com/ – Many resources here. Here are just a few…
http://www.languageisavirus.com/visual-poetry/index.php#.XeChXeiMrb0
http://www.languageisavirus.com/letterlink-poetry/index.php#.XeCha-iMrb0
http://www.languageisavirus.com/electronicpoetry/index.php#.XeChd-iMrb0
http://www.languageisavirus.com/poetry-stamp/index.php#.XeChgeiMrb0