It took me long enough, but I figured it out, that @technomancy 's "jack-in" reference in what is now called Cider is actually a degree of indirection from cyberpunk primary sources. It is more directly in reference to Hypercard's 1980s cyberpunk splash screen.
#Jami is a free open source privacy-conscious alternative to Skype. Jami has no servers, calls are encrypted peer-to-peer, with personal data stored only on the devices making the call.
It's available for Android, iOS, Windows, Mac and Linux from its official site:
You can follow it on here:
Jami used to be known as "Ring", and has very recently changed its name. You may see both names used during the transition period.
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!