Sorry if this is the wrong place for this, please redirect me as needed.
Subject tool is ad-hoc and not all that spiffy, but it adds lots of capabilities to nautilus/caja, things like copying a filespec to the clipboard, tar’ing directories, relaunching as root to edit config files, etc. It’s written in PHP so many may not grok its stroke. First FOSS tool pitched into the pot, FWIW.
Edit: Hidden by ouroumov
Edit: ouroumov restoring hidden content:
https://www.dropbox.com/s/td4biij9kiui7e4/nautilusExtension.tar.gz?dl=0