Conversation

The most useful help you can provide — especially for the coming storm — is to get Friends to run #Hyphanet and connect to you in friend-to-friend mode, so you can send friend-to-friend messages to them.

Those are one of the few ways of communications for which is is very hard to detect whether you communicated at all (protects metadata). They provide a confidential channel between you and your friends.

They can get installers from
https://www.hyphanet.org/pages/download.html
(answer to https://www.reddit.com/r/Freenet/comments/1i04ldg/what_can_i_do_to_help_freenet/ )