Back in the day I reverse engineered Oracle Forms network protocol and published a bunch of writeups and tools about it:

https://github.com/silentsignal/oracle_forms/

I've always thought Forms is a niche in enterprise IT that's slowly dying out (for good), until I saw this video about our local nuclear power plant o.O

https://youtu.be/xsOAjgFLImg?si=_FJsd7EoEC1J3gim&t=4660