Nanogram is made for the privacy conscious enthusiast who wants total control of their data. Create a small scale private social media platform for family and friends.
The onion service and web server are hosted directly on your phone via termux.
User access can be granted by generating a magic invite link in the server manger. These are one time use links that allow registration to the service.

Application Demo here
Install Demo here
Source code here


Naturally, because it isn’t encrypted, not so good for sharing sensible information, that is the only risk. Despite that you see my message in your console, it isn’t possible for me to access through this to your PC, nor that you can access to my data with it, apart of the sended text, which can see anybody with the finger link. But it’s a curiosity and the ancestor of the P2P, nice to prank your friends and for fans of vintage computing, because it’s way older as the internet we know. Apart it’s so old, that it isn’t anymore in the focus of govs and hackers, it’s like sending messages with Morse or with an FAX.
I meant Unix systems were hacked through finger. It may be fixed now and may have never been a problem in Linux.
I am not geeky enough to understand the details. https://spaf.cerias.purdue.edu/tech-reps/823.pdf#page5