[pabs3]

This is the underlying translation engine:

https://github.com/marian-nmt/marian-dev

And the browser fork of it:

https://github.com/browsermt/marian-dev

[pluc]

I thought it was Bergamot? https://browser.mt/

[pabs3]

Yeah, Bergamot is the fork of the original project (notice the browsermt in the second URL).