A decent read.
But I do think he forgot about the old, venerable CVS.
Agreed, not that many people are familiar with it, but CVS
comes with a history of 24-25 years and did affect the way people treat and contribute to code...to this very day.
PUTTY might also be subject for inclusion as provides a very robust way of communicating with remote Linux machines for more than 15 years and more Operating Systems than you would think.