localnet-paste Atom package
Paste your clipboard to other Atom localnet-paste users in your local network.
Paste to local network
Hit Ctrl-Shift-V or go to Packages > Localnet Paste > Paste clipboard to network to show a list of users in your local network to paste your clipoard to

Select someone by clicking on the profile image or name, or use arrow/tab keys to navigate through listed users, and hit Enter to send your clipboard

Copy from local network
When someone sends you his clipboard you can accept (or decline) directly from the notification, and you are ready to paste around!

Set your profile picture
Set what your network pals are going to see as your profile image bu going to Packages > Localnet Paste > Set profile image
Set your nickname
Set your nickname going to Atom settings ( Ctrl-, ) and to Packages > localnet-paste ( the default value is your computer name )

How it works
On Atom startup it creates a Node.js server, listening for other users connections in the local network.