[ravenstine]

In regards to your second question, yes, there is I2P.

https://geti2p.net

It's better than Tor in a few ways, in particular how it handles DDOS attacks. I2P is also more focused on facilitating hidden services (eepsites) than being a clearnet proxy.

There's also Yggdrasil, although it doesn't seem particularly concerned about anonymity.

https://yggdrasil-network.github.io/

[GekkePrutser]

For i2p, is there something like tails? Like a hardened read-only OS built to avoid the usual client opsec failures?

[GekkePrutser]

To answer my own question: Kodachi linux seems to do this.

https://sourceforge.net/projects/linuxkodachi/

Although it's not nearly as minimalistic as Tails.

[zikduruqe]

https://letsdecentralize.org

Here are a few options.