Piknik package for Atom
Copy/paste anything over the network.
Make a local selection; paste it instantaneously into Atom running on another computer.
Requirements
Piknik has to be installed and configured on the system.
The piknik executable must be in your $PATH.
On macOS, this can be easily achieved using Homebrew:
$ brew install piknik
Installation
$ apm install piknik
Or just install piknik package from the Atom package manager.
Usage
- Copy the selection to the shared clipboard: 
Ctrl-Alt-Shift C(orpiknik:copy) - Paste the shared clipboard: 
Ctrl-Alt-Shift V(orpiknik-paste) 
Enjoy.