Welcome @jeronath.
Currently there is no Bitwarden version on onion, i2p etc. However, there are open feature requests for this as: Hidden services. Overall, there is a request to include an onion and i2p version of Bitwarden.
If you want to participate in the poll, add a comment or vote at this link: [Hidden services](https://community.bitwarden.com/t/hidden-services/2535/3)
If my answer helped in any way, I’m happy to contribute. Overall, I hope I helped you and the Bitwarden community. If that didn’t help in any way, I apologize.