ClipCommControl
Did you ever wish you could copy on one Mac and paste on another Mac — well, now you can!
ClipCommControl extends Copy/Paste so it works across multiple networked* Macs. Effectively, this enable you to share clipboards among Macs on your network.
In addition, KMremoteControl integrates with ClipCommControl to automatically transfer your clipboard when you activate and deactivate remote controlling another Mac OS X system.
The following screen shots show ClipCommControl's operational and preference panels:


*ClipCommControl relies upon some of OS X's underlying mechanisms. Although these mechanisms support most kinds of objects that are placed on the clipboard by well-behaved applications, not all clipboard contents will be sharable. One notable exception occurs when using the Finder to copy a selected file entry/icon in a Finder window. If that clipboard/copy is pasted into a Finder window on the same system, the file will be copied. However, communicating that same clipboard/copy to another system will only transfer the file's name, not the file, itself. We suggest you use AppleShare to copy files.