Does it support prepared statements?

At the moment not, we can add it, but according to this they do not add big values.

What is pogi?

pgdb name was taken, so we renamed it to pogi. Pogi is the nickname of a delicious pastry. Yam! Search for 'pogacsa'.

Is there any company behind it?

It was originally developed at www.labcup.net, where we also use it.

My IDE don't show pogi's typing definitions

Typescript should get it from npm, but maybe this help: typings install pogi=github:holdfenytolvaj/pogi/lib/index.d.ts --save