If we are talking about the most promising stuff, I will mention gnunet is basically replacing the entire internet using all the existing hardware. I think that is the end goal, but short term yeah, i2p and others are a great next step.
posteo is really cheap but a great service
If we are talking about the most promising stuff, I will mention gnunet is basically replacing the entire internet using all the existing hardware. I think that is the end goal, but short term yeah, i2p and others are a great next step.