Downloading Scone 0.5 for Mac from our website was free. The software is included in Internet & Network Tools.
From the developer:
Scone is a P2P application to allow sending text between macs. It uses the Stickies application to store data and Rendezvous to find other scone nodes.
You may want to check out more Mac applications, such as SCONE Diff, which might be related to Scone.