Numix Icons
For information on applying these Icons see here.
Software Group: Icon Sets
Rosa Icons
For information on applying these Icons see here.
Pacifica Icons
For information on applying these Icons see here.
Gartoon Icons
For information on applying these Icons see here.
Faenza Icons
For information on applying these Icons see here.
Darkfire Icons
For information on applying these Icons see here.
Buuf Deuce Icons
For information on applying these Icons see here.