You may want to look at the hardware that according to the FSF respects your freedom: https://ryf.fsf.org/

Download the exe and run it. If you are on linux, dowload the jar file and install java if you haven’t done so yet, and run it with java -jar path-to-jar.jar You then have to configure your browser to use a proxy: https://geti2p.net/en/about/browser-config

For messaging, I recommend Matrix.

For sailing on the high seas, I think I2P is good.

I use it often and it doesn’t really seem slow to me.

And one can also normally access DuckDuckGo’s search results through it.