Conceptually, it shouldn't be too hard too hard to randomly mess up text with Unicode equivalents, invisible characters and the likes.
Something like Wordpress could trivially do it with a plug-in.
Ⅼiκe thís
(Roman numeral l, Greek kappa, non-breaking space, zero width space, acute letter i)
https://gist.github.com/StevenACoffman/a5f6f682d94e38ed804182dc2693ed4b
https://github.com/codebox/homoglyph/blob/master/raw_data/chars.txt