What alternatives to IRB are there?

Question

In the python world, there are a number of alternative python interpreters that add cool additional features. One particularly useful example is bpython, which adds dynamic synt

Answer 1

rib is a modular and light Ruby interactive shell.

It, like Pry, uses Ruby's parser so has consistent behavior with Ruby thus less bugs (e.g. https://stackoverflow.com/a/39271791/474597)

It is modular so one can easily extend it with more functionalities.

It is also still actively maintained as of 2016.