There is also patat (https://github.com/jaspervdj/patat https://github.com/jaspervdj/patat) that does a similar thing. It does not have effects, but it can do

There is also patat (https://github.com/jaspervdj/patat https://github.com/jaspervdj/patat) that does a similar thing. It does not have effects, but it can do colors and has many other features one would expect from a presentation tool. It has also been around for a while, it is rather stable and written in Haskell. Many Linux distributions already have it in their repositories (https://github.com/jaspervdj/patat#installation https://github.com/jaspervdj/patat#installation). Worth trying out as well!