Re:A list of computer languages with release year and category
by nils-m-holm on Thursday September 26, 2019 @11:22AM
(#21081742)
Maybe you want to add Klong (K family, http://t3x.org/klong/) -- not necessarily eso, but not exactly mainstream, either. :)
Then, T3X was invented in 1995. And Klong in 2015.
There are a lot of esolangs still to add. It's helpful to have people recommend noteworthy ones.